User's Guide

Wearable EVK User Guide
AN-21011301-E1
8
Ver.1.0.0
1. Product Introduction
This is a user guide document for Telink B91 wearable EVK5.0. A 454*454 amoled screen is placed on the EVK,
which users can use to develop GUI. At the same time, a g-sensor chip is placed to facilitate user development
of scenes. In addition, heart rate interface and motor interface are reserved. EVK also supports audio scene
development.
1.1 General Description
The EVK is based on Telink TLSR9518A platform, provides a Bluetooth Classic and Bluetooth Low Energy
wireless system.
The TLSR9518A integrates a powerful 32-bit RISC-V (RISC-Five) MCU, DSP, AI Engine,2.4 GHz ISM Radio, 256
KB SRAM, stereo audio codec, 14 bit AUX ADC, analog and digital Microphone input, PWM, flexible IO interfaces,
and other peripheral blocks required for advanced audio applications.
The TLSR9518A also includes multi-stage power management design with near-threshold level power
consumption allowing ultra-low power operation and making it the ideal candidate for wearable and power-
constraint applications.