SWRS256A March   2022  – April 2025 CC1311R3

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Functional Block Diagram
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
    1. 6.1 Pin Diagram—RGZ Package (Top View)
    2. 6.2 Signal Descriptions—RGZ Package
    3. 6.3 Pin Diagram—RKP Package (Top View)
    4. 6.4 Signal Descriptions—RKP Package
    5. 6.5 Connections for Unused Pins and Modules
  8. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Power Supply and Modules
    5. 7.5  Power Consumption - Power Modes
    6. 7.6  Power Consumption - Radio Modes
    7. 7.7  Nonvolatile (Flash) Memory Characteristics
    8. 7.8  Thermal Resistance Characteristics
    9. 7.9  RF Frequency Bands
    10. 7.10 861MHz to 1054MHz—Receive (RX)
    11. 7.11 861 MHz to 1054 MHz - Transmit (TX) 
    12. 7.12 861 MHz to 1054 MHz - PLL Phase Noise Wideband Mode
    13. 7.13 861 MHz to 1054 MHz - PLL Phase Noise Narrowband Mode
    14. 7.14 359MHz to 527MHz—Receive (RX)
    15. 7.15 359 MHz to 527 MHz - Transmit (TX) 
    16. 7.16 359 MHz to 527 MHz - PLL Phase Noise
    17. 7.17 Timing and Switching Characteristics
      1. 7.17.1 Reset Timing
      2. 7.17.2 Wakeup Timing
      3. 7.17.3 Clock Specifications
        1. 7.17.3.1 48 MHz Crystal Oscillator (XOSC_HF)
        2. 7.17.3.2 48 MHz RC Oscillator (RCOSC_HF)
        3. 7.17.3.3 32.768 kHz Crystal Oscillator (XOSC_LF)
        4. 7.17.3.4 32 kHz RC Oscillator (RCOSC_LF)
      4. 7.17.4 Synchronous Serial Interface (SSI) Characteristics
        1. 7.17.4.1 Synchronous Serial Interface (SSI) Characteristics
        2.       40
      5. 7.17.5 UART
        1. 7.17.5.1 UART Characteristics
    18. 7.18 Peripheral Characteristics
      1. 7.18.1 ADC
        1. 7.18.1.1 Analog-to-Digital Converter (ADC) Characteristics
      2. 7.18.2 DAC
        1. 7.18.2.1 Digital-to-Analog Converter (DAC) Characteristics
      3. 7.18.3 Temperature and Battery Monitor
        1. 7.18.3.1 Temperature Sensor
        2. 7.18.3.2 Battery Monitor
      4. 7.18.4 Comparator
        1. 7.18.4.1 Continuous Time Comparator
      5. 7.18.5 GPIO
        1. 7.18.5.1 GPIO DC Characteristics
    19. 7.19 Typical Characteristics
      1. 7.19.1 MCU Current
      2. 7.19.2 RX Current
      3. 7.19.3 TX Current
      4. 7.19.4 RX Performance
      5. 7.19.5 TX Performance
      6. 7.19.6 ADC Performance
  9. 8 Detailed Description
    1. 8.1  Overview
    2. 8.2  System CPU
    3. 8.3  Radio (RF Core)
      1. 8.3.1 Proprietary Radio Formats
    4. 8.4  Memory
    5. 8.5  Cryptography
    6. 8.6  Timers
    7. 8.7  Serial Peripherals and I/O
    8. 8.8  Battery and Temperature Monitor
    9. 8.9  Voltage Supply Domains
    10. 8.10 µDMA
    11. 8.11 Debug
    12. 8.12 Power Management
    13. 8.13 Clock Systems
    14. 8.14 Network Processor
  10. 9 Application, Implementation, and Layout
    1. 9.1 Reference Designs
    2. 9.2 Junction Temperature Calculation
  11. 10Device and Documentation Support
    1. 10.1 Device Nomenclature
    2. 10.2 Tools and Software
      1. 10.2.1 SimpleLink™ Microcontroller Platform
    3. 10.3 Documentation Support
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RGZ|48
  • RKP|40
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

Wireless microcontroller

  • Powerful 48MHz Arm® Cortex®-M4 processor
  • 352KB flash program memory
  • 32KB of ultra-low leakage SRAM
  • 8KB of Cache SRAM (Alternatively available as general-purpose RAM)
  • Programmable radio includes support for 2-(G)FSK, 4-(G)FSK, MSK, OOK, IEEE 802.15.4 PHY and MAC
  • Supports over-the-air upgrade (OTA)

Low power consumption

  • MCU consumption:
    • 2.63mA active mode, CoreMark®
    • 55μA/MHz running CoreMark
    • 0.7μA standby mode, RTC, 32KB RAM
    • 0.1μA shutdown mode, wake-up on pin
  • Radio Consumption:
    • 5.4mA RX at 868MHz
    • 24.9mA TX at +14dBm at 868MHz

Wireless protocol support

High-performance radio

  • -121dBm for 2.5kbps long-range mode
  • -120dBm at 4.8kbps narrowband mode, 433MHz
  • -118dBm at 9.6kbps narrowband mode, 868MHz
  • -110dBm at 50kbps, 802.15.4, 868MHz
  • Output power up to +14dBm with temperature compensation
  • Down to 4kHz receiver filter bandwidth

Regulatory compliance

  • Designed for systems targeting compliance with these standards:
    • ETSI EN 300 220 Receiver Cat. 1.5 and 2, EN 303 131, EN 303 204
    • FCC CFR47 Part 15
    • ARIB STD-T108

MCU peripherals

  • Digital peripherals can be routed to any GPIO
  • Four 32-bit or eight 16-bit general-purpose timers
  • 12-bit ADC, 200 kSamples/s, 8 channels
  • 8-bit DAC
  • Analog Comparator
  • UART, SSI, I2C, I2S
  • Real-time clock (RTC)
  • Integrated temperature and battery monitor

Security enablers

  • AES 128-bit cryptographic accelerator
  • True random number generator (TRNG)
  • Additional cryptography drivers available in Software Development Kit (SDK)

Development tools and software

Operating range

  • On-chip buck DC/DC converter
  • 1.8V to 3.8V single supply voltage
  • -40 to +105°C

Package

  • 7mm × 7mm RGZ VQFN48 (30 GPIOs)
  • 5mm × 5mm RKP VQFN40 (22 GPIOs)
  • RoHS-compliant package