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watch_2020_v3.md

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1.Pinout table

Peripherals T-Watch2020 V3
Core ESP32-DOWDQ6
Flash 16MB
SPRAM 8MB
TOUCH Driver FT6336
TFT Driver ST7789
TFT Size 240x240/1.54
TFT RST N/A
TFT MISO N/A
TFT MOSI 19
TFT SCLK 18
TFT DC 27
TFT CS 5
TFT BackLight 15
SENSOR SDA 21
SENSOR SCL 22
FT6336 SDA 23
FT6336 SCL 32
FT6336 RST 14
MOTOR 4
BMA423 Interrupt 39
FT6336 Interrupt 38
PCF8563 Interrupt 37
AXP202 Interrupt 35
I2S BCK 26
I2S WS 25
I2S DOUT 33
PDM DATA 2
PDM CLK 0
IR Send 13

2. AXP202 Power domain

CHANNEL Explanation
AXP202 DC2 NO USE
AXP202 DC3 ESP32(Can't close)
AXP202 LDO1 Can't control
AXP202 LDO2 Backlight
AXP202 LDO3 NO USE
AXP202 LDO4 Audio Module
AXP202 EXTEN NO USE

3.datasheet