WR2L Wi-Fi Module

by Tuya Inc.

Product page

• Info & flashing guide
• Debugging

Parameter	Value
Board code	wr2l
MCU	RTL8710BX
Manufacturer	Realtek
Series	AmebaZ
Frequency	62.5 MHz
Flash size	2 MiB
RAM size	256 KiB
Voltage	3.0V - 3.6V
I/O	5x GPIO, 4x PWM, 1x UART, 1x ADC
Wi-Fi	802.11 b/g/n
FCC ID	2ANDL-WR2L

Usage

Board code: wr2l

In platformio.ini:

[env:wr2l]
platform = libretiny
board = wr2l
framework = arduino

In ESPHome YAML:

rtl87xx:
  board: wr2l

Pinout

Pin functions

Name(s)	UART	I²C	SPI	PWM	Other
PA05				PWM4
PA12				PWM3
PA14				PWM0	SWCLK
PA15				PWM1	SWDIO
PA19, ADC1

Flash memory map

Flash size: 2 MiB / 2,097,152 B / 0x200000

Hex values are in bytes.

Name	Start	Length	End
Boot XIP	0x000000	16 KiB / 0x4000	0x004000
Boot RAM	0x004000	16 KiB / 0x4000	0x008000
(reserved)	0x008000	4 KiB / 0x1000	0x009000
System Data	0x009000	4 KiB / 0x1000	0x00A000
Calibration	0x00A000	4 KiB / 0x1000	0x00B000
OTA1 Image	0x00B000	788 KiB / 0xC5000	0x0D0000
OTA2 Image	0x0D0000	788 KiB / 0xC5000	0x195000
Key-Value Store	0x195000	32 KiB / 0x8000	0x19D000
User Data	0x19D000	392 KiB / 0x62000	0x1FF000
Tuya Storage	0x1EB000	84 KiB / 0x15000	0x200000
RDP	0x1FF000	4 KiB / 0x1000	0x200000