SWRS256A
March 2022 – April 2025
CC1311R3
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Functional Block Diagram
5
Device Comparison
6
Pin Configuration and Functions
6.1
Pin Diagram—RGZ Package (Top View)
6.2
Signal Descriptions—RGZ Package
6.3
Pin Diagram—RKP Package (Top View)
6.4
Signal Descriptions—RKP Package
6.5
Connections for Unused Pins and Modules
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Power Supply and Modules
7.5
Power Consumption - Power Modes
7.6
Power Consumption - Radio Modes
7.7
Nonvolatile (Flash) Memory Characteristics
7.8
Thermal Resistance Characteristics
7.9
RF Frequency Bands
7.10
861MHz to 1054MHz—Receive (RX)
7.11
861 MHz to 1054 MHz - Transmit (TX)
7.12
861 MHz to 1054 MHz - PLL Phase Noise Wideband Mode
7.13
861 MHz to 1054 MHz - PLL Phase Noise Narrowband Mode
7.14
359MHz to 527MHz—Receive (RX)
7.15
359 MHz to 527 MHz - Transmit (TX)
7.16
359 MHz to 527 MHz - PLL Phase Noise
7.17
Timing and Switching Characteristics
7.17.1
Reset Timing
7.17.2
Wakeup Timing
7.17.3
Clock Specifications
7.17.3.1
48 MHz Crystal Oscillator (XOSC_HF)
7.17.3.2
48 MHz RC Oscillator (RCOSC_HF)
7.17.3.3
32.768 kHz Crystal Oscillator (XOSC_LF)
7.17.3.4
32 kHz RC Oscillator (RCOSC_LF)
7.17.4
Synchronous Serial Interface (SSI) Characteristics
7.17.4.1
Synchronous Serial Interface (SSI) Characteristics
40
7.17.5
UART
7.17.5.1
UART Characteristics
7.18
Peripheral Characteristics
7.18.1
ADC
7.18.1.1
Analog-to-Digital Converter (ADC) Characteristics
7.18.2
DAC
7.18.2.1
Digital-to-Analog Converter (DAC) Characteristics
7.18.3
Temperature and Battery Monitor
7.18.3.1
Temperature Sensor
7.18.3.2
Battery Monitor
7.18.4
Comparator
7.18.4.1
Continuous Time Comparator
7.18.5
GPIO
7.18.5.1
GPIO DC Characteristics
7.19
Typical Characteristics
7.19.1
MCU Current
7.19.2
RX Current
7.19.3
TX Current
7.19.4
RX Performance
7.19.5
TX Performance
7.19.6
ADC Performance
8
Detailed Description
8.1
Overview
8.2
System CPU
8.3
Radio (RF Core)
8.3.1
Proprietary Radio Formats
8.4
Memory
8.5
Cryptography
8.6
Timers
8.7
Serial Peripherals and I/O
8.8
Battery and Temperature Monitor
8.9
Voltage Supply Domains
8.10
µDMA
8.11
Debug
8.12
Power Management
8.13
Clock Systems
8.14
Network Processor
9
Application, Implementation, and Layout
9.1
Reference Designs
9.2
Junction Temperature Calculation
10
Device and Documentation Support
10.1
Device Nomenclature
10.2
Tools and Software
10.2.1
SimpleLink™ Microcontroller Platform
10.3
Documentation Support
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
7.19.6
ADC Performance
Figure 7-23
ENOB vs Input Frequency
Figure 7-25
INL vs ADC Code
Figure 7-27
ADC Accuracy vs Temperature
Figure 7-24
ENOB vs Sampling Frequency
Figure 7-26
DNL vs ADC Code
Figure 7-28
ADC Accuracy vs Supply Voltage (VDDS)