Hangzhou Tuya Information Technology TYBT2 User Manual

TYBT2 DATASHEET

TuyaSmartBLEModule

1. Product Overview

TYBT2 is a Bluetooth (BLE) moduledesigned by HangZhouTuya Technology Corporation.

The BLE Module consistsof a highly integratedwireless Bluetooth chipTLSR8266 and someextra

electric circuitsthathave been programed with Bluetoothnetwork protocol and plenty of software

examples.TYBT2 includea 32-bit CPU, BLE, 512K byte flash, 16k SRAM, and 9 multiplex IO

pins.

Figure 1 shows the block diagramof the TYBT2.

Figure 1. The block diagram of the TYBT2

3.3V input

IO interface

I2C

UART

PWM

MCU FREQ

48MHz

SRAM

16K Bytes

BLE

FLASH

512K

BLE 4.0/Slave

2.4GHz radio

12M

Crystal

PCB

on-board

antenna

1.1 Features

 Integrated low power consumption 32-bit CPU, also known as application processor

 Basic frequency of the CPU can support 48 MHz

 Supply voltage range: 1.9V to 3.6V

 Peripherals: 5*PWM,1*I2C, 1*UART

 BLE RF features:

 Compatible with BLE 4.0

 Transmitting data rate can go up to 1Mbps

 TX transmitting power: +7dBm

 RX receiving sensitivity: -92dBm

 AES hardware encryption

 On-board PCB antenna

TYBT2 DATASHEET

 Operating temperature range: -20℃ to 85℃

1.2 Main ApplicationFields

 Intelligent LED

 Intelligent household applications

 Intelligent low-power consumptionsensors

TYBT2 DATASHEET

2. Dimensions and Footprint

2.1Dimensions

TYBT2have double sides of pins. The distance between each Pin is 2.0mm.

Size of TYBT2: 15mm(W)*16.5mm(L).

Figure 2 shows the dimensions of TYBT2.

Figure 2. The dimensions of TYBT2

2.2 Pin Definition

Table 1 shows the generalpin attributes of TYBT2

Table 1. The typical pin definitionof TYBT2

PIN NO.

1 SDA I/O

2 SCL I/O

3 G I/O

4 B I/O normal IO pin, can be used as PWM output pin, default for Blue

5 WW I/O

6 CW I/O normal IO pin, can be used as PWM output pin, default for Cold

7 R I/O normal IO pin, can be used as PWM output pin, default for Red

8 3.3V P Supply voltage

NAME TYP

E

DESCRIPTION

I2C, data interface,internal pull-up 4.7k resistance

I2C, clock interface, internal pull-up 4.7k resistance

normal IO pin, can be used as PWM output pin, default for

Green LED line

LED line

normal IO pin, can be used as PWM output pin, default for

Warm White LED line

White LED line

LED line