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CC2541

ACTIVE

Bluetooth® Low Energy and proprietary wireless MCU

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Data sheet
Errata

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Same functionality with different pin-out to the compared device
CC2640 ACTIVE SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash Higher performance option
CC2642R ACTIVE SimpleLink™ 32-bit Arm Cortex-M4F Bluetooth® Low Energy wireless MCU with 352kB Flash This product offers an Arm Cortex-M4F, higher flash (352 KB), higher RAM (80 KB).

CC2541

ACTIVE
Data sheet Order now

Product details

Protocols Bluetooth low energy 5.0 Type Wireless MCU Features LE 1M PHY Peripherals 12-bit ADC 8-channel, 2 SPI, 2 UART, 4 timers, I2C Rating Catalog Flash memory (kByte) 256 RAM (kByte) 8 Number of GPIOs 23 Security Cryptographic acceleration, Debug security, Device identity, Software IP protection Operating system TI-RTOS Sensitivity (best) (dBm) -94 Operating temperature range (°C) -40 to 85
Protocols Bluetooth low energy 5.0 Type Wireless MCU Features LE 1M PHY Peripherals 12-bit ADC 8-channel, 2 SPI, 2 UART, 4 timers, I2C Rating Catalog Flash memory (kByte) 256 RAM (kByte) 8 Number of GPIOs 23 Security Cryptographic acceleration, Debug security, Device identity, Software IP protection Operating system TI-RTOS Sensitivity (best) (dBm) -94 Operating temperature range (°C) -40 to 85
VQFN (RHA) 40 36 mm² 6 x 6
  • RF
    • 2.4-GHz Bluetooth low energy Compliant and Proprietary RF System-on-Chip
    • Supports 250-kbps, 500-kbps, 1-Mbps, 2-Mbps Data Rates
    • Excellent Link Budget, Enabling Long-Range Applications Without External Front End
    • Programmable Output Power up to 0 dBm
    • Excellent Receiver Sensitivity (–94 dBm at 1 Mbps), Selectivity,
      and Blocking Performance
    • Suitable for Systems Targeting Compliance With Worldwide Radio
      Frequency Regulations: ETSI EN 300 328 and EN 300 440 Class 2 (Europe),
      FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan)
  • Layout
    • Few External Components
    • Reference Design Provided
    • 6-mm × 6-mm QFN-40 Package
    • Pin-Compatible With CC2540 (When Not Using USB or I2C)
  • Low Power
    • Active-Mode RX Down to: 17.9 mA
    • Active-Mode TX (0 dBm): 18.2 mA
    • Power Mode 1 (4-µs Wake-Up): 270 µA
    • Power Mode 2 (Sleep Timer On): 1 µA
    • Power Mode 3 (External Interrupts): 0.5 µA
    • Wide Supply-Voltage Range (2 V–3.6 V)
  • TPS62730 Compatible Low Power in Active Mode
    • RX Down to: 14.7 mA (3-V supply)
    • TX (0 dBm): 14.3 mA (3-V supply)
  • Microcontroller
    • High-Performance and Low-Power 8051 Microcontroller Core
      With Code Prefetch
    • In-System-Programmable Flash, 128- or 256-KB
    • 8-KB RAM With Retention in All Power Modes
    • Hardware Debug Support
    • Extensive Baseband Automation, Including Auto-Acknowledgment
      and Address Decoding
    • Retention of All Relevant Registers in All Power Modes
  • Peripherals
    • Powerful Five-Channel DMA
    • General-Purpose Timers (One 16-Bit, Two 8-Bit)
    • IR Generation Circuitry
    • 32-kHz Sleep Timer With Capture
    • Accurate Digital RSSI Support
    • Battery Monitor and Temperature Sensor
    • 12-Bit ADC With Eight Channels and Configurable Resolution
    • AES Security Coprocessor
    • Two Powerful USARTs With Support for Several Serial Protocols
    • 23 General-Purpose I/O Pins
      (21 × 4 mA, 2 × 20 mA)
    • I2C interface
    • 2 I/O Pins Have LED Driving Capabilities
    • Watchdog Timer
    • Integrated High-PerformanceComparator
  • Development Tools
    • CC2541 Evaluation Module Kit (CC2541EMK)
    • CC2541 Mini Development Kit (CC2541DK-MINI)
    • SmartRF™ Software
    • IAR Embedded Workbench™ Available

Software Features

  • Bluetooth v4.0 Compliant Protocol Stack for Single-Mode BLE
    Solution
    • Complete Power-Optimized Stack, Including Controller and
      HostGAP – Central, Peripheral, Observer, or Broadcaster
      (Including Combination Roles)ATT / GATT – Client and ServerSMP –
      AES-128 Encryption and DecryptionL2CAP
    • Sample Applications and Profiles
      • Generic Applications for GAP Central and Peripheral Roles
      • Proximity, Accelerometer, Simple Keys, and Battery GATT Services
      • More Applications Supported in BLE Software Stack
    • Multiple Configuration Options
      • Single-Chip Configuration, Allowing Applications to Run on CC2541
      • Network Processor Interface for Applications Running on an External
        Microcontroller
    • BTool – Windows PC Application for Evaluation, Development, and Test
  • RF
    • 2.4-GHz Bluetooth low energy Compliant and Proprietary RF System-on-Chip
    • Supports 250-kbps, 500-kbps, 1-Mbps, 2-Mbps Data Rates
    • Excellent Link Budget, Enabling Long-Range Applications Without External Front End
    • Programmable Output Power up to 0 dBm
    • Excellent Receiver Sensitivity (–94 dBm at 1 Mbps), Selectivity,
      and Blocking Performance
    • Suitable for Systems Targeting Compliance With Worldwide Radio
      Frequency Regulations: ETSI EN 300 328 and EN 300 440 Class 2 (Europe),
      FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan)
  • Layout
    • Few External Components
    • Reference Design Provided
    • 6-mm × 6-mm QFN-40 Package
    • Pin-Compatible With CC2540 (When Not Using USB or I2C)
  • Low Power
    • Active-Mode RX Down to: 17.9 mA
    • Active-Mode TX (0 dBm): 18.2 mA
    • Power Mode 1 (4-µs Wake-Up): 270 µA
    • Power Mode 2 (Sleep Timer On): 1 µA
    • Power Mode 3 (External Interrupts): 0.5 µA
    • Wide Supply-Voltage Range (2 V–3.6 V)
  • TPS62730 Compatible Low Power in Active Mode
    • RX Down to: 14.7 mA (3-V supply)
    • TX (0 dBm): 14.3 mA (3-V supply)
  • Microcontroller
    • High-Performance and Low-Power 8051 Microcontroller Core
      With Code Prefetch
    • In-System-Programmable Flash, 128- or 256-KB
    • 8-KB RAM With Retention in All Power Modes
    • Hardware Debug Support
    • Extensive Baseband Automation, Including Auto-Acknowledgment
      and Address Decoding
    • Retention of All Relevant Registers in All Power Modes
  • Peripherals
    • Powerful Five-Channel DMA
    • General-Purpose Timers (One 16-Bit, Two 8-Bit)
    • IR Generation Circuitry
    • 32-kHz Sleep Timer With Capture
    • Accurate Digital RSSI Support
    • Battery Monitor and Temperature Sensor
    • 12-Bit ADC With Eight Channels and Configurable Resolution
    • AES Security Coprocessor
    • Two Powerful USARTs With Support for Several Serial Protocols
    • 23 General-Purpose I/O Pins
      (21 × 4 mA, 2 × 20 mA)
    • I2C interface
    • 2 I/O Pins Have LED Driving Capabilities
    • Watchdog Timer
    • Integrated High-PerformanceComparator
  • Development Tools
    • CC2541 Evaluation Module Kit (CC2541EMK)
    • CC2541 Mini Development Kit (CC2541DK-MINI)
    • SmartRF™ Software
    • IAR Embedded Workbench™ Available

Software Features

  • Bluetooth v4.0 Compliant Protocol Stack for Single-Mode BLE
    Solution
    • Complete Power-Optimized Stack, Including Controller and
      HostGAP – Central, Peripheral, Observer, or Broadcaster
      (Including Combination Roles)ATT / GATT – Client and ServerSMP –
      AES-128 Encryption and DecryptionL2CAP
    • Sample Applications and Profiles
      • Generic Applications for GAP Central and Peripheral Roles
      • Proximity, Accelerometer, Simple Keys, and Battery GATT Services
      • More Applications Supported in BLE Software Stack
    • Multiple Configuration Options
      • Single-Chip Configuration, Allowing Applications to Run on CC2541
      • Network Processor Interface for Applications Running on an External
        Microcontroller
    • BTool – Windows PC Application for Evaluation, Development, and Test

The CC2541 is a power-optimized true system-on-chip (SoC) solution for both Bluetooth low energy and proprietary 2.4-GHz applications. It enables robust network nodes to be built with low total bill-of-material costs. The CC2541 combines the excellent performance of a leading RF transceiver with an industry-standard enhanced 8051 MCU, in-system programmable flash memory, 8-KB RAM, and many other powerful supporting features and peripherals. The CC2541 is highly suited for systems where ultralow power consumption is required. This is specified by various operating modes. Short transition times between operating modes further enable low power consumption.

The CC2541 is pin-compatible with the CC2540 in the 6-mm × 6-mm QFN40 package, if the USB is not used on the CC2540 and the I2C/extra I/O is not used on the CC2541. Compared to the CC2540, the CC2541 provides lower RF current consumption. The CC2541 does not have the USB interface of the CC2540, and provides lower maximum output power in TX mode. The CC2541 also adds a HW I2C interface.

The CC2541 is pin-compatible with the CC2533 RF4CE-optimized IEEE 802.15.4 SoC.

The CC2541 comes in two different versions: CC2541F128/F256, with 128 KB and 256 KB of flash memory, respectively.

The CC2541 is a power-optimized true system-on-chip (SoC) solution for both Bluetooth low energy and proprietary 2.4-GHz applications. It enables robust network nodes to be built with low total bill-of-material costs. The CC2541 combines the excellent performance of a leading RF transceiver with an industry-standard enhanced 8051 MCU, in-system programmable flash memory, 8-KB RAM, and many other powerful supporting features and peripherals. The CC2541 is highly suited for systems where ultralow power consumption is required. This is specified by various operating modes. Short transition times between operating modes further enable low power consumption.

The CC2541 is pin-compatible with the CC2540 in the 6-mm × 6-mm QFN40 package, if the USB is not used on the CC2540 and the I2C/extra I/O is not used on the CC2541. Compared to the CC2540, the CC2541 provides lower RF current consumption. The CC2541 does not have the USB interface of the CC2540, and provides lower maximum output power in TX mode. The CC2541 also adds a HW I2C interface.

The CC2541 is pin-compatible with the CC2533 RF4CE-optimized IEEE 802.15.4 SoC.

The CC2541 comes in two different versions: CC2541F128/F256, with 128 KB and 256 KB of flash memory, respectively.
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Technical documentation

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Type Title Date
* Data sheet CC2541 SimpleLink™ Bluetooth® low energy and proprietary wireless MCU datasheet (Rev. D) 24 Jun 2013
* Errata CC2541 Errata Note 26 Mar 2014
Application note How to Certify Your Bluetooth Product (Rev. M) PDF | HTML 18 Feb 2025
Cybersecurity advisory BLE-STACK Heap Overflow Issue PDF | HTML 05 Dec 2023
Cybersecurity advisory Bluetooth SIG Erratum - Incoming Notification/Indication Tests Upon Reconnection PDF | HTML 28 Aug 2023
Application note CE Regulations for SRDs Operating in License-Free 2.4GHz/5GHz Bands-WiFi Devices (Rev. A) PDF | HTML 20 Oct 2022
Selection guide Leitfaden zur Auswahl drahtloser Kommunikationstechnologie (Rev. B) 07 Mar 2022
Selection guide 無線連線技術選擇指南 (Rev. B) 07 Mar 2022
Selection guide 무선 연결 기술 선택 가이드 (Rev. B) 07 Mar 2022
Selection guide Wireless Connectivity Technology Selection Guide (Rev. B) 14 Feb 2022
Application note DN035 -- Antenna Quick Guide (Rev. B) 09 Feb 2022
Cybersecurity advisory CC254x OAD: AES CTR Crypto Implementation Vulnerability PDF | HTML 28 Feb 2020
Cybersecurity advisory CC254x OAD: AES-CBC MAC Verification Vulnerability PDF | HTML 28 Feb 2020
User guide CC2540/41 Bluetooth Low Energy Software Developer’s Guide (Rev. I) PDF | HTML 27 Jan 2020
Application note Debugging Communication Range (Rev. A) PDF | HTML 23 May 2019
White paper Wireless Connectivity For The Internet of Things, One Size Does Not Fit All (Rev. A) 16 Oct 2017
Application note CC-Antenna-DK2 and Antenna Measurements Summary (Rev. A) 02 Oct 2017
User guide Getting started with Bluetooth low energy CC2541, CC2541-Q1, CC2540, & CC2540T f 11 Jul 2017
Application note ETSI EN 300 328 Blocking Test for Bluetooth Low Energy PDF | HTML 08 Feb 2017
Application note AN119 - Using an External 32kHz Clock to Drive a CC254x Chip (Rev. A) 12 Dec 2016
Application note Bluetooth Low Energy Beacons (Rev. A) PDF | HTML 19 Oct 2016
Technical article Trends in building automation: connected sensors in safety and security PDF | HTML 20 Jul 2016
Application note Voice Over Remote Control 19 May 2016
More literature Dual-mode Bluetooth CC256x solutions (Rev. C) 03 Feb 2016
User guide CC253x/4x User's Guide (Rev. F) 09 Apr 2014
White paper Three Flavors of Bluetooth: Which One to Choose? 25 Mar 2014
White paper Wireless connectivity for the Internet of Things (IoT) with MSP430 MCUs 13 Mar 2014
Application note AN100 - Crystal Selection Guide (Rev. C) 26 Nov 2013
More literature TI: The IoT technology leader 01 Nov 2013
More literature The Evolution of the Internet of Things 09 Sep 2013
White paper Enabling secure portable medical devices with TI’s MSP430™ MCU 04 Jun 2013
Application note AN120 -- Using CC2590 Front End with CC2541 13 Mar 2013
Application note DN041 -- Using CC253X or CC254X with Dipole PCB Antenna 24 Jan 2013
Application note AN081 -- Johanson Technology Balun Optimized for CC253X, CC254X, CC257X, CC853X (Rev. B) 06 Nov 2012
Application note AN118 -- Flash programming of CC253x/4x devices 05 Sep 2012
Application note AN098 - Layout Review Techniques for Low Power RF Designs (Rev. A) 02 Aug 2012
Application note AN092 -- Measuring Bluetooth Low Energy Power Consumption (Rev. A) 19 Apr 2012
Application note AN097 - Current Savings in CC254x Using the TPS62730 (Rev. B) 08 Feb 2012
More literature Bluetooth Low Energy 4-page brochure (Rev. A) 09 Jan 2012
Application note AN107 - Murata Balun for CC253x and CC254x, LFB182G45BG2D280 (Rev. A) 26 Oct 2011
Application note AN103 -- Basic RF Testing of CCxxxx Devices 08 Aug 2011
Application note DN034 -- YAGI 2.4 GHz PCB Antenna 14 Oct 2010
Application note AN058 -- Antenna Selection Guide (Rev. B) 06 Oct 2010
Application note DN031 -- CC-Antenna-DK Documentation and Antenna Measurements Summary 26 Aug 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Daughter card

CC2541EMK — CC2541 Evaluation Module Kit

The CC2541 Evaluation Module Kit contains two CC2541 Bluetooth low energy Evaluation Modules, which can be used either as standalone modules (requires a power source and a simple carrier board like the SoC Battery Board, or connected to e.g. the SmartRF05EB Evaluation Boards (included in the (...)

User guide: PDF | HTML
Not available on TI.com
Debug probe

CC-DEBUGGER — Debugger and Programmer for RF System-on-Chips

The CC Debugger is a small programmer and debugger for the TI Low Power RF System-on-Chips. It can be used together with IAR Embedded Workbench for 8051 (version 7.51A or later) for debugging and SmartRF Flash Programmer for flash programming. The CC Debugger can also be used for controlling (...)

User guide: PDF
Not available on TI.com
Development kit

CC2541DK-MINI — CC2541 Mini Development Kit

The CC2541DK-MINI development kit provides a working reference design for software development of single-mode Bluetooth low energy (BLE) applications based on the Texas Instruments CC2541. The included "keyfob" board operates as a BLE peripheral device, and contains modifiable software that can be (...)
User guide: PDF | HTML
Not available on TI.com
Code example or demo

SWRC257 — CC2541/43/44/45 Peripherals Software Examples

Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2541 — Bluetooth® Low Energy and proprietary wireless MCU CC2651P3 — SimpleLink™ 32-bit Arm® Cortex®-M4 single-protocol 2.4 GHz wireless MCU with 352-kB Flash
Other wireless products
CC2543 — 2.4 GHz RF Value Line SoC with 32kB flash, 16 GPIO, I2C, SPI and UART CC2544 — 2.4 GHz RF Value Line SoC with 32kB flash, USB, SPI and UART CC2545 — 2.4 GHz RF Value Line SoC with 32kB flash, 31 GPIO, I2C, SPI and UART
Automotive wireless connectivity products
CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU
Download
Driver or library

BLE-STACK-1-X — II. BLE-STACK (Support for CC2540/CC2541)

This royalty-free BLE-Stack for TI’s SimpleLink™ Bluetooth® Low Energy family of ARM® Cortex®-M3 based wireless microcontrollers (MCUs) includes full-featured Bluetooth 4.2 and Bluetooth 5 certified stacks with all necessary software, sample applications and documentation to (...)

Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2540 — Bluetooth® Low Energy wireless MCU with USB CC2541 — Bluetooth® Low Energy and proprietary wireless MCU
Download options
Support software

PACKET-SNIFFER — SmartRF™ Packet Sniffer 2.18.1

The SmartRF Packet Sniffer is a PC software application that can display and store radio packets captured by a listening RF device. The capture device is connected to the PC via USB. Various RF protocols are supported. The Packet Sniffer filters and decodes packets and displays them in a convenient (...)

Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2430 — System-on-Chip Solution for 2.4 GHz IEEE 802.15.4 / ZigBee™ CC2431 — System-on-Chip (SoC) Solution for ZigBee/IEEE 802.15.4 Wireless Sensor Network CC2520 — Second generation 2.4 GHz ZigBee/IEEE 802.15.4 wireless transceiver CC2530 — Zigbee and IEEE 802.15.4 wireless MCU with 256kB Flash and 8kB RAM CC2531 — Zigbee and IEEE 802.15.4 wireless MCU with up to 256kB Flash and 8kB RAM CC2533 — A True System-on-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications CC2538 — 32-bit Arm Cortex-M3 Zigbee, 6LoWPAN, and IEEE 802.15.4 wireless MCU with 512kB Flash and 32kB RAM CC2540 — Bluetooth® Low Energy wireless MCU with USB CC2540T — Extended industrial temperature Bluetooth® Low Energy (LE) wireless MCU CC2541 — Bluetooth® Low Energy and proprietary wireless MCU CC2630 — SimpleLink™ 32-bit Arm Cortex-M3 Zigbee and 6LoWPAN wireless MCU with 128kB Flash CC2640 — SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash CC2640R2F — SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash CC2640R2L — SimpleLink™ Bluetooth® 5.1 Low Energy wireless MCU CC2650 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash CC2650MODA — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless module with 128kB Flash
Sub-1 GHz wireless MCUs
CC1110-CC1111 — Sub-1 GHz wireless MCU with up to 32 kB Flash memory CC1310 — SimpleLink™ 32-bit Arm Cortex-M3 Sub-1 GHz wireless MCU with 128kB Flash CC1312R — SimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash CC1314R10 — SimpleLink™ Arm® Cortex®-M33 Sub-1 GHz wireless MCU with 1-MB flash and up to 296 kB of SRAM CC1350 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 128kB Flash CC1352P — SimpleLink™ Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU integrated power amplifier CC1352R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 352kB Flash
Sub-1 GHz transceivers
CC1101 — Low-power Sub-1 GHz wireless transceiver CC110L — Value line Sub-1 GHz wireless transceiver CC1120 — High performance Sub-1 GHz wireless transceiver for narrowband systems CC1125 — Ultra-high performance Sub-1 GHz wireless transceiver for narrowband systems
Other wireless products
CC2420 — Single-Chip 2.4 GHz IEEE 802.15.4 Compliant and ZigBee™ Ready RF Transceiver CC2500 — Low Cost, Low-Power 2.4 GHz RF Transceiver Designed for Low-Power Wireless Apps in the 2.4 GHz ISM B CC2510 — 2.4 GHz Radio Transceiver, 8051 MCU, and 16KB or 32 KB Memory CC2510F8 — 2.4 GHz Radio Transceiver, 8051 MCU and 8 kB Flash memory CC2511 — 2.4 GHz Radio Transceiver, 8051 MCU, 16KB or 32KB Flash memory and full-speed USB interface CC2511F8 — 2.4 GHz Radio Transceiver, 8051 MCU, 8 kB Flash memory and full-speed USB interface CC2530-RF4CE — Zigbee, IEEE 802.15.4 and RF4CE wireless MCU with 256kB Flash and 8kB RAM CC2531-RF4CE — Zigbee, IEEE 802.15.4 and RF4CE wireless MCU with up to 256kB Flash and 8kB RAM CC2620 — SimpleLink™ 32-bit Arm Cortex-M3 Zigbee® RF4CE wireless MCU with 128kB Flash
Automotive wireless connectivity products
CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU CC2640R2F-Q1 — SimpleLink™ automotive qualified 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU
Hardware development
Evaluation board
LAUNCHXL-CC1310 — CC1310 LaunchPad™ development kit for sub-1-GHz SimpleLink™ wireless MCU LAUNCHXL-CC1352P — CC1352P LaunchPad™ development kit for SimpleLink™ multi-band wireless MCU
Development kit
LAUNCHXL-CC1312R1 — CC1312R LaunchPad™ development kit for sub-1-GHz SimpleLink™ wireless MCU LAUNCHXL-CC1350 — CC1350 LaunchPad™ development kit for SimpleLink™ dual-band wireless MCU
Software
Software programming tool
FLASH-PROGRAMMER — SmartRF Flash Programmer
Calculation tool
PACKET-SNIFFER — SmartRF Protocol Packet Sniffer SMARTRFTM-STUDIO — SmartRF Studio
Driver or library
BLE-STACK — Bluetooth Low Energy software stack REMOTI — RF4CE Compliant Protocol Stack SIMPLICITI — SimpliciTI Compliant Protocol Stack TI-15.4-STACK-GATEWAY-LINUX-SDK — TI 15.4-Stack Gateway Linux Software Development Kit TIMAC — IEEE802.15.4 Medium Access control (MAC) software stack Z-STACK — A fully compliant ZigBee 3.x solution: Z-Stack
Download
Support software

SENSORTAG-SW — SimpleLink™ SensorTag Software

The SensorTag includes an open hardware and software reference design for low cost and low power wireless IoT applications. The SensorTag is supplied with complete source code with everything you need to customize it for your application as well as source code examples for mobile apps.
View Options
Support software

SWRC251 — CC254x Proprietary Mode Packet Error Rate Test

Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2541 — Bluetooth® Low Energy and proprietary wireless MCU
Other wireless products
CC2543 — 2.4 GHz RF Value Line SoC with 32kB flash, 16 GPIO, I2C, SPI and UART CC2544 — 2.4 GHz RF Value Line SoC with 32kB flash, USB, SPI and UART CC2545 — 2.4 GHz RF Value Line SoC with 32kB flash, 31 GPIO, I2C, SPI and UART
Automotive wireless connectivity products
CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU
Download
Support software

SWRC258 — BLE Device Monitor (v2.9.0)

Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2541 — Bluetooth® Low Energy and proprietary wireless MCU CC2650 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash CC2650MODA — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless module with 128kB Flash
Automotive wireless connectivity products
CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU
Hardware development
Development kit
CC2650STK — SimpleLink™ Bluetooth low energy/Multi-standard SensorTag LAUNCHXL-CC2650 — SimpleLink™ CC2650 wireless MCU LaunchPad™ Development Kit
Download
Assembly drawing

Bluetooth LE Reference Design Layout

SWRR125.PDF (496 KB)
Download
Assembly drawing

CC2541 Postage Stamp Reference Design Assembly Drawing (Rev. A)

TIDC154A.PDF (27 KB)
Download
Bill of materials (BOM)

Bill of Materials for the ECG With Bluetooth Low-Energy

SNVC113.PDF (102 KB)
Download
Bill of materials (BOM)

CC2541-CC2590EM Reference Design

SWRR116.ZIP (865 KB)
Download
Bill of materials (BOM)

Bluetooth LE Reference Design Bill of Materials (BOM)

SWRR127.ZIP (89 KB)
Download
Bill of materials (BOM)

Bluetooth Smart Keyfob Reference Design Bill of Materials (BOM)

TIDR192.PDF (54 KB)
Download
Bill of materials (BOM)

Bluetooth Smart Remote Control Reference Design Bill of Materials

TIDR194.PDF (98 KB)
Download
Bill of materials (BOM)

CC2541 Postage Stamp Reference Design Bill of Materials (BOM) (Rev. A)

TIDR204A.PDF (97 KB)
Download
Calculation tool

BT-POWER-CALC — Bluetooth Power Calculator for CC13xx, CC26xx and CC23xx devices

This tool is used to calculate Bluetooth Low Energy power consumption estimates for various use cases on TI Bluetooth devices. The calculator includes both advertising and peripheral use cases with the ability to configure different use case profile parameters. The calculator outputs an estimate (...)
Supported products & hardware

Supported products & hardware

Products
Low-power 2.4-GHz products
CC2340R2 — SimpleLink™ 32bit Arm® Cortex®-M0+ 2.4GHz wireless MCU with 256kB flash CC2340R5 — SimpleLink™ 32bit Arm® Cortex®-M0+ 2.4GHz wireless MCU with 512kB flash CC2540 — Bluetooth® Low Energy wireless MCU with USB CC2540T — Extended industrial temperature Bluetooth® Low Energy (LE) wireless MCU CC2541 — Bluetooth® Low Energy and proprietary wireless MCU CC2640 — SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash CC2640R2F — SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash CC2640R2L — SimpleLink™ Bluetooth® 5.1 Low Energy wireless MCU CC2642R — SimpleLink™ 32-bit Arm Cortex-M4F Bluetooth® Low Energy wireless MCU with 352kB Flash CC2650 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash CC2650MODA — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless module with 128kB Flash CC2651R3SIPA — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with integrated antenna CC2652PSIP — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with integrated power amplifier CC2652R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with 352kB Flash CC2652R7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol 2.4-GHz wireless MCU with 704-kB Flash CC2652RB — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with crystal-less BAW resonator CC2652RSIP — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with 352-KB memory
Sub-1 GHz wireless MCUs
CC1350 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 128kB Flash CC1352P — SimpleLink™ Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU integrated power amplifier CC1352R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 352kB Flash
Automotive wireless connectivity products
CC2340R5-Q1 — Automotive-qualified SimpleLink™ Bluetooth® Low Energy wireless MCU with 512-kB flash CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU CC2640R2F-Q1 — SimpleLink™ automotive qualified 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU CC2642R-Q1 — Automotive qualified SimpleLink™ Bluetooth® Low Energy wireless MCU CC2745R10-Q1 — Automotive SimpleLink™ Bluetooth® 6.0 LE wireless MCU with 1MB flash, HSM, APU, CAN-FD
Hardware development
Development kit
LAUNCHXL-CC1350 — CC1350 LaunchPad™ development kit for SimpleLink™ dual-band wireless MCU LAUNCHXL-CC1352R1 — CC1352R LaunchPad™ development kit for SimpleLink™ multi-band wireless MCU
Software
Software development kit (SDK)
SIMPLELINK-CC13X0-SDK — SimpleLink™ Sub-1 GHz CC13x0 Software Development Kit SIMPLELINK-CC13XX-CC26XX-SDK — SimpleLink™ CC13xx and CC26xx software development kit (SDK) SIMPLELINK-CC2640R2-SDK — SimpleLink™ CC2640R2 SDK - Bluetooth® low energy
Download options
Calculation tool

SMARTRF-STUDIO-7 — SmartRF Studio 7 application software

SmartRF™ Studio is a Windows application that helps designers of RF systems to easily evaluate the radio at an early stage in the design process for all TI CC1xxx and CC2xxx low-power RF devices. It simplifies generation of the configuration register values and commands, as well as practical (...)

Supported products & hardware

Supported products & hardware

Products
MSP430 microcontrollers
CC430F6127 — 20 MHz MCU with 32KB Flash, 4KB SRAM, Sub-1 GHz radio, AES-128, I2C/SPI/UART, 96 seg LCD CC430F6135 — 20 MHz MCU with 16KB Flash, 2KB SRAM, Sub-1 GHz radio, AES-128, 12-bit ADC, I2C/SPI/UART, 96 seg CC430F6147 — 20 MHz MCU with 32KB Flash, 4KB SRAM, Sub-1 GHz radio, AES-128, 10-bit ADC, I2C/SPI/UART, 96 seg
Low-power 2.4-GHz products
CC2430 — System-on-Chip Solution for 2.4 GHz IEEE 802.15.4 / ZigBee™ CC2431 — System-on-Chip (SoC) Solution for ZigBee/IEEE 802.15.4 Wireless Sensor Network CC2520 — Second generation 2.4 GHz ZigBee/IEEE 802.15.4 wireless transceiver CC2530 — Zigbee and IEEE 802.15.4 wireless MCU with 256kB Flash and 8kB RAM CC2531 — Zigbee and IEEE 802.15.4 wireless MCU with up to 256kB Flash and 8kB RAM CC2533 — A True System-on-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications CC2538 — 32-bit Arm Cortex-M3 Zigbee, 6LoWPAN, and IEEE 802.15.4 wireless MCU with 512kB Flash and 32kB RAM CC2540 — Bluetooth® Low Energy wireless MCU with USB CC2540T — Extended industrial temperature Bluetooth® Low Energy (LE) wireless MCU CC2541 — Bluetooth® Low Energy and proprietary wireless MCU CC2630 — SimpleLink™ 32-bit Arm Cortex-M3 Zigbee and 6LoWPAN wireless MCU with 128kB Flash CC2640 — SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash CC2640R2F — SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash CC2640R2L — SimpleLink™ Bluetooth® 5.1 Low Energy wireless MCU CC2642R — SimpleLink™ 32-bit Arm Cortex-M4F Bluetooth® Low Energy wireless MCU with 352kB Flash CC2650 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash CC2650MODA — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless module with 128kB Flash CC2651P3 — SimpleLink™ 32-bit Arm® Cortex®-M4 single-protocol 2.4 GHz wireless MCU with 352-kB Flash CC2651R3 — SimpleLink™ 32-bit Arm® Cortex®-M4 single-protocol 2.4-GHz wireless MCU with 352-kB flash CC2652P — SimpleLink™ Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with integrated power amplifier CC2652P7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol 2.4-GHz wireless MCU, 704-kB Flash, integrated power amp CC2652PSIP — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with integrated power amplifier CC2652R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with 352kB Flash CC2652R7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol 2.4-GHz wireless MCU with 704-kB Flash CC2652RB — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with crystal-less BAW resonator CC2652RSIP — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with 352-KB memory CC2674P10 — SimpleLink™ Arm® Cortex®-M33 multiprotocol 2.4GHz wireless MCU with 1MB flash and power amplifier CC2674R10 — SimpleLink™ Arm® Cortex®-M33 multiprotocol 2.4-GHz wireless MCU with 1-MB flash
Sub-1 GHz wireless MCUs
CC1110-CC1111 — Sub-1 GHz wireless MCU with up to 32 kB Flash memory CC1310 — SimpleLink™ 32-bit Arm Cortex-M3 Sub-1 GHz wireless MCU with 128kB Flash CC1311P3 — SimpleLink™ Arm® Cortex®-M4 Sub-1GHz wireless MCU with 352KB flash and integrated +20dBm power amp CC1311R3 — SimpleLink™ Arm® Cortex®-M4 Sub-1 GHz wireless MCU with 352-kB flash CC1312PSIP — Sub-1 GHz system-in-package (SIP) module with integrated power amplifier CC1312R — SimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash CC1312R7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol Sub-1 GHz wireless MCU with 704-kB Flash CC1314R10 — SimpleLink™ Arm® Cortex®-M33 Sub-1 GHz wireless MCU with 1-MB flash and up to 296 kB of SRAM CC1350 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 128kB Flash CC1352P — SimpleLink™ Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU integrated power amplifier CC1352P7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol sub-1 GHz and 2.4-GHz wireless MCU integrated power amp CC1352R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 352kB Flash CC1354P10 — SimpleLink™ Arm® Cortex®-M33 multiband wireless MCU with 1MB flash, 296KB SRAM, integrated power amp CC1354R10 — SimpleLink™ Arm® Cortex®-M33 multiband wireless MCU with 1-MB flash and up to 296-KB SRAM CC430F5123 — 16-bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 8kB Flash and 2kB RAM CC430F5125 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 16kB Flash and 2kB RAM CC430F5133 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 12-Bit ADC, 8kB Flash and 2kB RAM CC430F5137 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 12-Bit ADC, 32kB Flash and 4kB RAM CC430F5143 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 10-bit ADC, 8kB Flash and 2kB RAM CC430F5145 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 10-bit ADC, 16kB Flash and 2kB RAM CC430F5147 — 16-Bit ultra-low-power CC430 Sub 1 GHz wireless MCU with 10-bit ADC, 32kB Flash and 4kB RAM
Sub-1 GHz transceivers
CC1020 — Single-chip FSK/OOK CMOS wireless transceiver for Narrowband apps in 402-470 and 804-940 MHz range CC1021 — Multichannel FSK/OOK CMOS wireless transceiver for Narrowband app w/Ch Spacings of 50 kHz or Higher CC1070 — Single-chip, Low-Power, Low-Cost CMOS FSK/GFSK/ASK/00K RF Transmitter for Narrowband & Multi-Ch apps CC1100 — Highly Integrated MultiCh RF transceiver Designed for Low-Power Wireless apps CC1100E — Low-power Sub-1GHz wireless transceiver for China and Japan frequency bands CC1101 — Low-power Sub-1 GHz wireless transceiver CC110L — Value line Sub-1 GHz wireless transceiver CC1120 — High performance Sub-1 GHz wireless transceiver for narrowband systems CC1121 — High performance low power Sub-1 GHz wireless transceiver CC1125 — Ultra-high performance Sub-1 GHz wireless transceiver for narrowband systems CC113L — Value line Sub-1 GHz wireless receiver CC1150 — Highly integrated multichannel wireless transmitter designed for low-power wireless applications CC115L — Value line Sub-1 GHz wireless transmitter CC1175 — High performance wireless transmitter for narrowband systems CC1200 — Low power and high performance wireless transceiver CC1201 — Low power and high performance wireless transceiver
Other wireless products
CC2420 — Single-Chip 2.4 GHz IEEE 802.15.4 Compliant and ZigBee™ Ready RF Transceiver CC2500 — Low Cost, Low-Power 2.4 GHz RF Transceiver Designed for Low-Power Wireless Apps in the 2.4 GHz ISM B CC2510 — 2.4 GHz Radio Transceiver, 8051 MCU, and 16KB or 32 KB Memory CC2510F8 — 2.4 GHz Radio Transceiver, 8051 MCU and 8 kB Flash memory CC2511 — 2.4 GHz Radio Transceiver, 8051 MCU, 16KB or 32KB Flash memory and full-speed USB interface CC2511F8 — 2.4 GHz Radio Transceiver, 8051 MCU, 8 kB Flash memory and full-speed USB interface CC2530-RF4CE — Zigbee, IEEE 802.15.4 and RF4CE wireless MCU with 256kB Flash and 8kB RAM CC2531-RF4CE — Zigbee, IEEE 802.15.4 and RF4CE wireless MCU with up to 256kB Flash and 8kB RAM CC2543 — 2.4 GHz RF Value Line SoC with 32kB flash, 16 GPIO, I2C, SPI and UART CC2544 — 2.4 GHz RF Value Line SoC with 32kB flash, USB, SPI and UART CC2545 — 2.4 GHz RF Value Line SoC with 32kB flash, 31 GPIO, I2C, SPI and UART CC2550 — Low Cost 2.4 GHz Transmitter Designed for Low-Power Wireless Applications in 2.4 GHz ISM Band CC2620 — SimpleLink™ 32-bit Arm Cortex-M3 Zigbee® RF4CE wireless MCU with 128kB Flash
Automotive wireless connectivity products
CC2541-Q1 — Automotive qualified SimpleLink Bluetooth® Low Energy wireless MCU CC2640R2F-Q1 — SimpleLink™ automotive qualified 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU CC2642R-Q1 — Automotive qualified SimpleLink™ Bluetooth® Low Energy wireless MCU CC2662R-Q1 — Automotive qualified SimpleLink™ wireless MCU for use in wireless battery management systems
Hardware development
Development kit
CC1125DK — CC1125 Development Kit CC1200DK — CC1200 Development Kit CC1350STK — Simplelink CC1350 SensorTag Bluetooth and Sub-1GHz Long Range Wireless Development Kit CC2541DK-MINI — CC2541 Mini Development Kit CC2650STK — SimpleLink™ Bluetooth low energy/Multi-standard SensorTag LAUNCHXL-CC1312R1 — CC1312R LaunchPad™ development kit for sub-1-GHz SimpleLink™ wireless MCU LAUNCHXL-CC1350 — CC1350 LaunchPad™ development kit for SimpleLink™ dual-band wireless MCU LAUNCHXL-CC1352R1 — CC1352R LaunchPad™ development kit for SimpleLink™ multi-band wireless MCU LAUNCHXL-CC2650 — SimpleLink™ CC2650 wireless MCU LaunchPad™ Development Kit LP-CC1311P3 — CC1311P3 LaunchPad™ development kit for SimpleLink™ sub-1-GHz wireless MCU LP-CC1312R7 — CC1312R7 LaunchPad™ development kit for SimpleLink™ multi-standard wireless MCU LP-CC2652RB — CC2652RB LaunchPad™ development kit for BAW multi-protocol 2.4-GHz SimpleLink™ wireless MCU LP-EM-CC1314R10 — CC1314R10 LaunchPad™ development kit for SimpleLink™ Sub-1 GHz wireless MCU LP-EM-CC1354P10 — CC1354P10 LaunchPad™ development kit for SimpleLink™ Sub-1 GHz and 2.4GHz wireless microcontroller
Evaluation board
BOOSTXL-CC1120-90 — BoosterPack for Applications from 902MHz to 928MHz BOOSTXL-CC1125 — CC1125 BoosterPack for 868/915 MHz Applications LAUNCHXL-CC1310 — CC1310 LaunchPad™ development kit for sub-1-GHz SimpleLink™ wireless MCU LAUNCHXL-CC2640R2 — CC2640R2 LaunchPad™ development kit for SimpleLink™ Bluetooth® Low Energy wireless MCU LAUNCHXL-CC26X2R1 — CC26x2R LaunchPad™ development kit for multi-standard SimpleLink™ wireless MCU LP-CC1352P7 — CC1352P7 LaunchPad™ development kit for SimpleLink™ multi-band wireless MCU LP-CC2651P3 — CC2651P3 LaunchPad™ development kit for SimpleLink™ multi-standard wireless MCU LP-CC2652PSIP — CC2562PSIP LaunchPad™ development kit for SimpleLink™ multiprotocol 2.4-GHz wireless SIP module LP-CC2652R7 — CC2652R7 LaunchPad™ development kit for SimpleLink™ multi-standard wireless MCU LP-CC2652RSIP — CC2652RSIP LaunchPad™ development kit for SimpleLink™ multi-protocol wireless MCU SMARTRF06EBK — SmartRF06 Evaluation Board SMARTRFTRXEBK — SmartRF Transceiver Evaluation Board LP-CC2651R3SIPA — CC2651R3SIPA LaunchPad™ development kit for SimpleLink™ multiprotocol 2.4-GHz wireless SIP module
Interface adapter
BOOST-CCEMADAPTER — EM Adapter BoosterPack
Daughter card
CC1120EMK-169 — CC1120 Evaluation Module Kit 169MHz CC1120EMK-420-470 — CC1120 Evaluation Module Kit 420-470MHz CC1120EMK-868-915 — CC1120 Evaluation Module Kit 868-915MHz CC1121EMK-868-915 — CC1121 Evaluation Module Kit 868-915MHz CC1175EMK-868-915 — CC1175 Evaluation Module Kit 868-915MHz CC1200EMK-420-470 — CC1200 Evaluation Module Kit 420-470 MHz CC1200EMK-868-930 — CC1200 Evaluation Module Kit 868-930 MHz CC1201EMK-868-930 — CC1201 Evaluation Module Kit 868-930 MHz CC2500EMK — CC2500EMK Evaluation Module 2.4 GHz CC2520EMK — CC2520 Evaluation Module Kit CC2530EMK — CC2530 Evaluation Module Kit CC2531EMK — CC2531 USB Evaluation Module Kit CC2538-CC2592EMK — CC2538-CC2592 Evaluation Module Kit CC2538EMK — CC2538 Evaluation Module Kit CC2540EMK-USB — Bluetooth Low Energy and proprietary wireless MCU
Download options
Design tool

3P-WIRELESS-MODULES — Third party wireless module search tool

The third party wireless module search tool helps developers to identify products that meet their end equipment specifications and procure production ready wireless modules. The third party module vendors included in the search tool are independent third party companies with expertise in designing (...)
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Design tool

SIMPLELINK-2-4GHZ-DESIGN-REVIEWS — Hardware design reviews for SimpleLink™ CC2xxx devices

The SimpleLink hardware design review process provides a way to get in touch, one-on-one, with a subject matter expert that can help review your design and provide valuable feedback. A simple three-step process for requesting a review as well as links to relevant technical documentation and (...)
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Gerber file

ECG With Bluetooth Low-Energy Gerber

SNVC114.ZIP (901 KB)
Download
Gerber file

CC2541EM Reference Design Files

SWRR096.ZIP (820 KB)
Download
PCB layout

CC2541EM Reference Design 2-Layer

SWRR133.ZIP (661 KB)
Download
Schematic

Schematic for the ECG With Bluetooth Low-Energy

SNVC112.PDF (214 KB)
Download
Schematic

Bluetooth LE Reference Design Schematic

SWRR126.PDF (697 KB)
Download
Schematic

CC2541 PS Reference Design (Rev. A)

SWRR131A.ZIP (411 KB)
Download
Schematic

Bluetooth Smart Keyfob Reference Design Schematic

TIDR191.PDF (186 KB)
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Schematic

Bluetooth Smart Remote Control Reference Design Schematic

TIDR193.PDF (62 KB)
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Schematic

CC2541 Postage Stamp Reference Design Schematic (Rev. A)

TIDR203A.PDF (25 KB)
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Many TI reference designs include the CC2541

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