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CC2531

TICC2531

Texas Instruments
Widely used Zigbee USB stick option for basic Zigbee coordinator needs.
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Overview

The CC2531 is a system-on-chip (SoC) solution for IEEE 802.15.4 and Zigbee applications that features a built-in full-speed USB interface. It combines a high-performance RF transceiver with an industry-standard 8051 MCU, making it a popular choice for PC-based Zigbee coordinators and packet sniffers.

Why Choose This Part

The integrated USB controller allows for a bill-of-materials reduction by eliminating the need for an external USB-to-Serial bridge. It includes a 12-bit ADC for sensor interfacing and offers a well-established ecosystem of open-source firmware for home automation.

Applications

Zigbee Packet Sniffer
Used with TI SmartRF Packet Sniffer software to monitor and debug IEEE 802.15.4 network traffic in real-time.
Smart Home Coordinator
Functions as a USB gateway for home automation platforms like Zigbee2MQTT or Home Assistant to control smart lights and sensors.
USB Dongle Hardware
Provides a direct hardware interface between a PC and a 2.4GHz wireless mesh network without needing an external bridge.

Key Specifications

Type Transceiver
Contents Board(s)
Frequency 2.4GHz
Utilized IC / Part CC2531

Getting Started

To program the CC2531, you typically need a CC Debugger and the SmartRF Flash Programmer software. Development is supported through the IAR Embedded Workbench for 8051 or via the Z-Stack firmware suite provided by Texas Instruments.

Also Consider

CC26x2R LaunchPad TITexas Instruments - A more modern ARM Cortex-M4F alternative with significantly more memory and support for Zigbee 3.0 and Thread.
CC2531 USB Evaluation Module Kit TITexas Instruments - The official evaluation kit that provides the CC2531 in a ready-to-use USB dongle form factor.
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