Code example or demo
Data sheet
CC2544
- RF section
- Single-Chip 2.4-GHz RF Transceiver and MCU
- Data Rates and Modulation Formats:
- 2-Mbps GFSK, 320-kHz Deviation
- 2-Mbps GFSK, 500-kHz Deviation
- 1-Mbps GFSK, 160-kHz Deviation
- 1-Mbps GFSK, 250-kHz Deviation
- 500-kbps MSK
- 250-kbps GFSK, 160-kHz Deviation
- 250-kbps MSK
- Excellent Link Budget, Enabling Long Range
Without External Front-Ends - Programmable Output Power up to 4 dBm
- Excellent Receiver Sensitivity (–88 dBm at 2 Mbps)
- Suitable for Systems Targeting Compliance With
Worldwide Radio Frequency Regulations:
ETSI EN 300 328 and EN 300 440 Category 2 (Europe),
FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan) - Accurate RSSI Function
- Layout
- Few External Components
- Reference Designs Available
- 32-pin 5-mm × 5-mm QFN (8 General I/O Pins) Package
- Low Power
- Active Mode RX: 22.5 mA
- Active Mode TX (0 dBm): 27 mA
- Power Mode 1 (4-µs Wake-Up): 1 mA
- Wide Supply-Voltage Range
- 3.3V LDO Output
- Supply Range: 2 V–3.6 V
- USB 5-V Regulator: 4 V–5.45 V
- Microcontroller
- High-Performance and Low-Power 8051 Microcontroller Core With Code Prefetch
- 32-KB Flash Program Memory
- 2 KB SRAM
- Hardware Debug Support
- Extensive Baseband Automation, Including Auto-Acknowledgement and Address Decoding
- Peripherals
- Full Speed USB 2.0
- 6 Endpoints (Endpoint 0 and 5 IN/OUT Endpoints)
- Internal Pullup for D+
- 5-V to 3.3-V Regulator
- Powerful Two-Channel DMA
- General-Purpose Timers (One 16-Bit, Two 8-Bit)
- Radio Timer, 40-Bit
- IR Generation Circuitry
- Several Oscillators:
- 32-MHz XOSC
- 16-MHz RCOSC
- 32-kHz RCOSC
- 32-kHz Sleep Timer With Capture
- AES Security Coprocessor
- UART/SPI Serial Interface
- 8 General-Purpose I/O pins (6 × 4-mA and 2 × 20-mA Drive Strength)
- Watchdog Timer
- True Random-Number Generator
- Full Speed USB 2.0
The CC2544 is an optimized system-on-chip (SoC) solution for USB applications with datarates upto 2Mbps built with low bill-of-material cost. The CC2544 combines the excellent performance of a leading RF transceiver with a single-cycle 8051 compliant CPU, 32-KB in-system programmable flash memory, up to 2-KB RAM, and many other powerful features.
The CC2544 is compatible with the CC2541/CC2543/CC2545. It comes in a 5-mm × 5-mm QFN32 package, with SPI/UART/USB interface. The CC2544 comes complete with reference designs from Texas Instruments.
The devices target wireless consumer and HID applications. The CC2544 is ideal for USB dongle applications.
Technical documentation
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View all 9 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | CC2544 System-on-Chip for 2.4-GHz USB Applications datasheet (Rev. D) | 03 May 2012 | |
| * | Errata | CC2544 ERRATA NOTE | 28 Mar 2012 | |
| * | User guide | CC2543, CC2544, CC2545 System-on-Chip Solution for 2.4-GHz Apps User's Guide (Rev. B) | 18 Mar 2013 | |
| Application note | CE Regulations for SRDs Operating in License-Free 2.4GHz/5GHz Bands-WiFi Devices (Rev. A) | PDF | HTML | 20 Oct 2022 | |
| Application note | Autonomous high density streaming protocol | 06 Aug 2013 | ||
| User guide | CC2543/44/45 Development Kit User’s Guide (Rev. B) | 06 Jun 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 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
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
Support software
SWRC251 — CC254x Proprietary Mode Packet Error Rate Test
Supported products & hardware
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
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 (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RHB) | 32 | Ultra Librarian |
Ordering & quality
Information included:
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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