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R128 XR872AT XR872ET XR806

Introduction

XR872ET
XR872ET
High-integration Wireless IoT Chip
XR872ET integrates Arm® Cortex®-M4F CPU, low-power 802.11b/g/n system, multiple ADC&DAC interfaces, image encoding unit, power management unit, can be widely used in AIoT product. XR872ET

Benefits

Arm Cortex-M4F CPU
Support 2.4G WiFi
Audio System
Support JPEG Video Encode

Specifications

CPU Arm Cortex-M4F,  up to 240MHz
WLAN 2.4G, IEEE 802.11b/g/n
Package QFN40, 5mm x 5mm, 0.4p
Power 1.8 ~ 5.5V Vbat
RAM 448KB
ROM 160KB
PSRAM /
QPI+XIP Flash 1
UART 3
SPI 2
I2C 2
PWM 8
ADC 2
DAC 1
SDIO 1
IR TX *1, RX *1
Audio Codec 24bit ADC + 24bit DAC
Camera Input JPEG - 1920 x 1088 JPEG or 640x480@30fps
Wakeup IO 9
GPIO 25
Software System

FreeRTOS

AliOS-Things

OpenHarmonyOS


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