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M5Unified

M5Stack Series unified library .

Supported framework

  • ESP-IDF
  • Arduino for ESP32

Supported device

  • M5Stack BASIC / GRAY / GO / FIRE
  • M5Stack Core2 / Tough
  • M5Stack CoreS3
  • M5Stick C / CPlus
  • M5Stack CoreInk
  • M5Station
  • M5Paper
  • M5ATOM Lite / Matrix / ECHO / PSRAM / U
  • M5ATOMS3 / S3Lite / S3U
  • M5STAMP PICO
  • M5STAMPC3 / C3U
  • M5STAMPS3

Supported device (external display)

  • Unit LCD
  • Unit OLED
  • Unit RCA
  • Unit GLASS
  • ATOM Display (with M5ATOM Lite / Matrix / PSRAM / S3 / S3Lite)
  • Module Display (with M5Stack / Core2 / Tough)
  • Module RCA (with M5Stack / Core2 / Tough)

Supported device (external speaker)

  • SPK HAT (with M5StickC / CPlus / M5Stack CoreInk)
  • SPK HAT2 (with M5StickCPlus)
  • ATOMIC SPK (with M5ATOM Lite / PSRAM / ATOMS3 / S3Lite)
  • Module Display (with M5Stack / Core2 / Tough)
  • Module RCA (with M5Stack / Core2 / Tough)

H/W infomation

ESP32 GPIO list

M5Stack
BASIC
GRAY		 M5Stack
GO/FIRE		 M5Stack
Core2
Tough		 M5Stick
C/CPlus		 M5Stack
CoreInk		 M5Paper M5Station M5ATOM
Lite/Matrix
ECHO/U
PSRAM		 M5STAMP
PICO
GPIO 0
ADC2_CH1		 M-Bus
IIS_MK		 M-Bus
IIS_MK		 M-Bus
SPK_LRCK
PDM_C(Core2)		 HAT
PAD
PDM_C		 EPD_RST --- --- --- GPIO 0
ADC2_CH1
GPIO 1
USB_TX		 M-Bus
Serial		 M-Bus
Serial		 M-Bus
Serial		 Serial Serial Serial Serial Serial Serial GPIO 1
USB_TX
GPIO 2
ADC2_CH2		 M-Bus
 M-Bus
 M-Bus
SPK_D		 PAD
Beep(CPlus)		 Beep PW_Hold ReadEn --- --- GPIO 2
ADC2_CH2
GPIO 3
USB_RX		 M-Bus
Serial		 M-Bus
Serial		 M-Bus
Serial		 Serial Serial Serial Serial Serial Serial GPIO 3
USB_RX
GPIO 4
ADC2_CH0		 TF_CS TF_CS TF_CS --- EPD_BUSY TF_CS RGB LED --- --- GPIO 4
ADC2_CH0
GPIO 5 M-Bus M-Bus LCD_CS LCD_CS BTN_HAT EXT_5V LCD_CS Bus(P)
PDM_C(U)		 --- GPIO 5
GPIO 9 --- --- --- InfraRed EPD_CS --- --- --- --- GPIO 9
GPIO10 --- --- --- LED LED --- --- --- --- GPIO10
GPIO12
ADC2_CH5		 M-Bus
IIS_SK		 M-Bus
IIS_SK		 SPK_BCLK --- PW_Hold SPI_MOSI USB_PW InfraRed --- GPIO12
ADC2_CH5
GPIO13
ADC2_CH4		 M-Bus
IIS_WS		 M-Bus
IIS_WS		 M-Bus
RXD2		 SPI_SCLK MI-Bus
RXD2		 SPI_MISO PORT.C1 --- --- GPIO13
ADC2_CH4
GPIO14
ADC2_CH6		 LCD_CS LCD_CS M-Bus
TXD2		 --- MI-Bus
TXD2		 SPI_SCLK PORT.C1 --- --- GPIO14
ADC2_CH6
GPIO15
ADC2_CH3		 M-Bus
IIS_OUT		 M-Bus
RGB LED		 LCD_D/C SPI_MOSI EPD_D/C EPD_CS LCD_RST --- --- GPIO15
ADC2_CH3
GPIO16
PSRAM		 M-Bus
RXD2		 M-Bus
PORT.C
RXD2		 --- --- --- --- PORT.C2
RXD2		 --- --- GPIO16
PSRAM
GPIO17
PSRAM		 M-Bus
TXD2		 M-Bus
PORT.C
TXD2		 --- --- --- --- PORT.C2
TXD2		 --- --- GPIO17
PSRAM
GPIO18 M-Bus
SPI_SCLK		 M-Bus
SPI_SCLK		 SPI_SCLK LCD_RST MI-Bus
SPI_SCLK		 PORT.C SPI_SCLK --- GPIO18
GPIO19 M-Bus
SPI_MISO		 M-Bus
SPI_MISO		 M-Bus --- RTC_INT PORT.C LCD_D/C Bus
SPK_C(ECHO)
*PDM_D(U)		 GPIO19
GPIO21 M-Bus
PORT.A
I2C0_SDA		 M-Bus
PORT.A
I2C0_SDA		 I2C1_SDA I2C1_SDA MI-Bus
I2C1_SDA		 I2C1_SDA I2C1_SDA Bus
I2C1_SCL		 GPIO21
GPIO22 M-Bus
PORT.A
I2C0_SCL		 M-Bus
PORT.A
I2C0_SCL		 I2C1_SCL I2C1_SCL MI-Bus
I2C1_SCL		 I2C1_SCL I2C1_SCL Bus
SPK_D(ECHO)		 GPIO22
GPIO23 M-Bus
SPI_MOSI		 M-Bus
SPI_MOSI		 SPI_MOSI LCD_D/C MI-Bus
SPI_MOSI		 EPD_RST SPI_MOSI Bus
PDM_D(ECHO)		 --- GPIO23
GPIO25
DAC1		 M-Bus
SPK_DAC		 M-Bus
SPK_DAC		 M-Bus HAT(CPlus)
PAD		 MI-Bus
HAT		 PORT.A
I2C0_SDA		 PORT.B1 Bus
I2C1_SDA		 GPIO25
DAC1
GPIO26
DAC2		 M-Bus M-Bus
PORT.B		 M-Bus HAT
PAD		 MI-Bus
HAT		 PORT.B PORT.B2 PORT.A
I2C0_SDA		 GPIO26
DAC2
GPIO27
ADC2_CH7		 LCD_D/C LCD_D/C M-Bus AXP192 VBUSEN BTN_PWR EPD_BUSY IMU_INT RGB LED RGB LED GPIO27
ADC2_CH7
GPIO32
ADC1_CH4		 LCD_BL LCD_BL M-Bus
PORT.A
I2C0_SDA		 PORT.A
I2C0_SDA		 PORT.A
I2C0_SDA		 PORT.A
I2C0_SCL		 PORT.A
I2C0_SDA		 PORT.A
I2C0_SCL		 PORT.A
I2C0_SDA		 GPIO32
ADC1_CH4
GPIO33
ADC1_CH5		 LCD_RST LCD_RST M-Bus
PORT.A
I2C0_SCL		 PORT.A
I2C0_SCL		 PORT.A
I2C0_SCL		 PORT.B PORT.A
I2C0_SCL		 Bus
PDM_C(ECHO)		 PORT.A
I2C0_SCL		 GPIO33
ADC1_CH5
GPIO34
ADC1_CH6		 M-Bus
IIS_IN		 M-Bus
MIC_ADC
IIS_IN		 M-Bus
PDM_D(Core2)		 PDM_D MI-Bus
SPI_MISO		 --- USB Current? --- GPIO34
ADC1_CH6
GPIO35
ADC1_CH7		 M-Bus M-Bus M-Bus RTC_INT BAT_V BAT_V PORT.B1 --- --- GPIO35
ADC1_CH7
GPIO36
ADC1_CH0		 M-Bus M-Bus
PORT.B		 M-Bus HAT
PAD		 MI-Bus
HAT		 TP_INT PORT.B2 --- --- GPIO36
ADC1_CH0
GPIO37
ADC1_CH1		 BTN_C BTN_C --- BTN_A SW_Up SW_Up BTN_A --- --- GPIO37
ADC1_CH1
GPIO38
ADC1_CH2		 BTN_B BTN_B M-Bus
SPI_MISO		 PAD SW_Press SW_Press BTN_B --- --- GPIO38
ADC1_CH2
GPIO39
ADC1_CH3		 BTN_A BTN_A TP_INT BTN_B SW_Down SW_Down BTN_C BTN BTN GPIO39
ADC1_CH3
M5Stack
BASIC
GRAY		 M5Stack
GO/FIRE		 M5Stack
Core2
Tough		 M5Stick
C/CPlus		 M5Stack
CoreInk		 M5Paper M5Station M5ATOM
Lite/Matrix
ECHO/U
PSRAM		 M5STAMP
PICO

ESP32C3 GPIO list

M5Stamp
C3		 M5Stamp
C3U
GPIO 0 PORT.A
I2C0_SCL		 PORT.A
I2C_SCL
GPIO 1 PORT.A
I2C0_SDA		 PORT.A
I2C_SDA
GPIO 2 RGB LED RGB LED
GPIO 3 BTN_A Bus
GPIO 4 Bus Bus
GPIO 5 Bus Bus
GPIO 6 Bus Bus
GPIO 7 Bus Bus
GPIO 8 Bus Bus
GPIO 9 --- BTN_A
GPIO10 Bus Bus
GPIO18 PORT.U
D-		 USB
PORT.U
D-
GPIO19 PORT.U
D+		 USB
PORT.U
D+
GPIO20 USB
Serial		 Bus
GPIO21 USB
Serial		 Bus
M5Stamp
C3		 M5Stamp
C3U

ESP32S3 GPIO list

M5Stack
CoreS3		 M5ATOMS3
/ S3Lite		 M5ATOMS3U
GPIO 0 M-Bus
SPK_LRCK		 --- --- GPIO 0
GPIO 1 PORT.A
I2C0_SCL		 PORT.A
I2C0_SCL		 PORT.A
I2C0_SCL		 GPIO 1
GPIO 2 PORT.A
I2C0_SDA		 PORT.A
I2C0_SDA		 PORT.A
I2C0_SDA		 GPIO 2
GPIO 3 LCD_CS vdd3v3 vdd3v3 GPIO 3
GPIO 4 TF_CS InfraRed --- GPIO 4
GPIO 5 M-Bus Bus --- GPIO 5
GPIO 6 M-Bus Bus --- GPIO 6
GPIO 7 M-Bus Bus --- GPIO 7
GPIO 8 M-Bus
PORT.B		 Bus --- GPIO 8
GPIO 9 M-Bus
PORT.B		 --- --- GPIO 9
GPIO10 M-Bus --- --- GPIO10
GPIO11 I2C1_SCL --- --- GPIO11
GPIO12 I2C1_SDA --- InfraRed GPIO12
GPIO13 M-Bus
SPK_D		 --- --- GPIO13
GPIO14 M-Bus
MIC_IN		 --- Bus GPIO14
GPIO15 CAM_D6 LCD_CS --- GPIO15
GPIO16 CAM_D7 LCD_BL --- GPIO16
GPIO17 M-Bus
PORT.C		 LCD_SCLK Bus GPIO17
GPIO18 M-Bus
PORT.C		 --- --- GPIO18
GPIO19 USB
D--		 USB
D--		 USB
D--		 GPIO19
GPIO20 USB
D++		 USB
D++		 USB
D++		 GPIO20
GPIO21 I2C_INT LCD_MOSI --- GPIO21
GPIO33 SPK_WCK LCD_DC --- GPIO33
GPIO34 SPK_BCK LCD_RST --- GPIO34
GPIO35 M-Bus
SPI_MISO
LCD DC		 RGB LED RGB LED GPIO35
GPIO36 M-Bus
SPI_SCLK		 --- --- GPIO36
GPIO37 M-Bus
SPI_MOSI		 --- --- GPIO37
GPIO38 CAM_HREF Bus
I2C1_SDA		 PDM_DAT GPIO38
GPIO39 CAM_D2 Bus
I2C1_SCL		 PDM_CLK GPIO39
GPIO40 CAM_D3 --- Bus GPIO40
GPIO41 CAM_D4 BTN_A BTN_A GPIO41
GPIO42 CAM_D5 --- Bus GPIO42
GPIO43 M-Bus
SerialTX		 --- --- GPIO43
GPIO44 M-Bus
SerialRX		 --- --- GPIO44
GPIO45 CAM_PCLK --- --- GPIO45
GPIO46 CAM_VSYNC --- --- GPIO46
GPIO47 CAM_D9 --- --- GPIO47
GPIO48 CAM_D8 --- --- GPIO48
M5Stack
CoreS3		 M5ATOMS3
/ S3Lite		 M5ATOMS3U

AXP192 IO list

M5Stack
Core2		 M5Stack
Tough		 M5Stick
C		 M5Stick
CPlus		 M5Station
GPIO0
LDO0		 BUS PW EN BUS PW EN MIC VCC MIC VCC PortA1.A2 EN GPIO0
LDO0
GPIO1 SYS LED TP RST --- --- PortB1 EN GPIO1
GPIO2 SPK EN SPK EN --- --- PortB2 EN GPIO2
GPIO3 --- --- --- --- PortC1 EN GPIO3
GPIO4 LCD RST
TP RST		 LCD RST --- --- PortC2 EN GPIO4
EXTEN PORT 5V EN PORT 5V EN PORT 5V EN PORT 5V EN PORT 5V EN EXTEN
BACKUP RTC BAT RTC BAT RTC BAT RTC BAT --- BACKUP
LDO1 RTC VDD RTC VDD RTC VDD RTC VDD RTC VDD LDO1
LDO2 LCD PW
Periph PW		 LCD PW
Periph PW		 LCD BL LCD BL --- LDO2
LDO3 VIB MOTOR LCD BL LCD PW LCD PW LCD BL LDO3
DCDC1 ESP32 VDD ESP32 VDD ESP32 VDD ESP32 VDD ESP32 VDD DCDC1
DCDC2 --- --- --- --- --- DCDC2
DCDC3 LCD BL --- --- --- --- DCDC3

PinMap

M5Stack
BASIC/GRAY
GO/FIRE
FACES II		 M5Stack
Core2
Core2AWS
TOUGH		 M5Stack
CoreS3
Bus
M-Bus
M-Bus
M-Bus
※ HPWR=not connected to the ESP32. Used by modules capable of supplying 12V power.
M5Stack
BASIC/GRAY
GO/FIRE
FACES II		 M5Stack
Core2
Core2AWS
TOUGH		 M5Stack
CoreS3		 M5Paper M5Station
PortA
PortA
PortA
PortA
PortA
PortA
PortB
PortB
PortB
PortB
PortB
PortB1
PortB2
PortC
PortC
PortC
PortC
PortC
PortC1
PortC2
PortD
PortD
PortD
PortE
PortE
PortE / 485
TOUGH485:12V
M5Stick
C		 M5Stick
C Plus		 M5Stack
CoreInk		 M5Stamp
PICO		 M5Stamp
C3		 M5Stamp
C3U
PortA
HAT
Bus
MI-Bus
ATOM
Lite		 ATOM
Matrix		 ATOM
ECHO		 ATOM
PSRAM		 ATOM
U
PortA
Bus
ATOMS3
/S3Lite
PortA
Bus

SPI device

M5Stack
BASIC
GRAY
GO/FIRE		 M5Stack
Core2
Tough		 M5Stick
C		 M5Stick
CPlus		 M5Stack
CoreInk		 M5Paper
Display ILI9342C
320×240
CS:G14		 ILI9342C
320×240
CS:G5		 ST7735S
80×160
CS:G5		 ST7789V2
135×240
CS:G5		 GDEW0154M09
200×200
CS:G9		 IT8951
960×540
CS:G15		 Display
TF Card CS:4 CS:4 --- --- --- CS:4 TF Card

I2C device

M5Stack
BASIC/GRAY
GO/FIRE		 M5Stack
Core2		 M5Stack
Tough		 M5Stick
C
CPlus		 M5Stack
CoreInk		 M5Paper ATOM
Matrix		 M5Station
Touch
Panel		 --- FT6336U
38h		 CHSC6540
2Eh		 --- --- GT911
14h or 5Dh		 --- --- Touch
Panel
RTC --- BM8563
51h		 BM8563
51h		 BM8563
51h		 BM8563
51h		 BM8563
51h		 --- BM8563
51h		 RTC
Power
Manage		 IP5306
75h		 AXP192
34h		 AXP192
34h		 AXP192
34h		 --- --- --- AXP192
34h		 Power
Manage
IMU MPU6886
68h		 MPU6886
68h (Ext)		 --- MPU6886
68h		 --- --- MPU6886
68h		 MPU6886
68h (opt)		 IMU
IMU
(old lot)		 SH200Q
6Ch		 --- --- SH200Q
6Ch		 --- --- --- --- IMU
(old lot)
ENV --- --- --- --- --- SHT30
44h		 --- --- ENV
EEPROM --- --- --- --- --- FM24C02
50h		 --- --- EEPROM
Current
Voltage
Monitor		 --- --- --- --- --- --- --- INA3221
40h/41h
(opt)		 Current
Voltage
Monitor

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Unified library for M5Stack series

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