User's Manual

Telink RCU TLSR8278ARC48 User Manual

1 Product Introduction

This is a user manual for Telink RCU TLSR8278ARC48D.

1.1 General description

The TLSR8278ARC48D, which is based on Telink TLSR8278F1KET48 chip,

provides a Bluetooth LE .

The TLSR8278ARC48D integrates a power-balanced 32-bit MCU, BLE , 64kB

SRAM, 1MB internal Flash, 14bit ADC , 6-channel PWM, flexible GPIO interfaces,

and nearly all the peripherals needed for IoT (Internet of Things) and HID (Human

Interface Devices) application development (e.g. Bluetooth Low Energy).

1.2 Key features

 Bluetooth 5 Compliant, 1Mbps, 2Mbps, Long Range 125kbps and 500kbps

 64kB on-chip SRAM with up to up to 32kB retention

 A rich set of I/Os: SPI, I2C, Single wire, up to 32 GPIOs, UART with hardware flow

control and 7816 protocol support, DMIC (Digital Mic), AMIC (Analog Mic), I2S,

Stereo Audio output

 6-channel PWM (Pulse Width Modulation) output

 RSSI monitoring with +/-1dB resolution

 Power supply: DC3.0V

2 Pin Connection Guide

2.1 Supply power

The TLSR8278ARC48D supports supply power via battery or other 3.0V power.

The power connection is shown below, connect the power to the 3V of TP3, and