Pi Zero GPIO mapping (Delta/Delta-B)
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Revision as of 15:43, 5 December 2018 by Admin (talk | contribs) (Admin moved page Pi Zero GPIO mapping (Delta) to Pi Zero GPIO mapping (Delta/Delta-B))
Legend |
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3.3V Power |
3.5V-5V power |
GND |
Audio pins |
1.3" OLED display connections |
Expansion header pins |
ESP8266 SDIO pins |
ATMega, MCP23017 and GSM connections |
Pin Number | Pin name | Function | Used For |
---|---|---|---|
1 | 3V3 | 3V3 | Power for ESP8266/display |
2 | VSYS | VSYS | VSYS in, VBAT sensing with ATMega |
3 | GPIO2 | SDA | I2C - ATMega, MCP23017, expansion header, testpoints |
4 | VSYS | VSYS | VSYS in, VSYS sensing with ATMega |
5 | GPIO3 | SCL | I2C - ATMega, MCP23017, expansion header, testpoints |
6 | GND | GND | Ground |
7 | GPIO4 | GPIO | IR TX |
8 | GPIO14 | RXD | GSM UART TXD |
9 | GND | GND | Ground |
10 | GPIO15 | TXD | GSM UART RXD |
11 | GPIO17 | GPIO | Expansion header / SPI1 / IR RX |
12 | GPIO18 | GPIO | Expansion Header / I2S / SPI1 |
13 | GPIO27 | SD_D3 | ESP8266 SDIO pin / ESP-socket GPIO expansion |
14 | GND | GND | Ground |
15 | GPIO22 | SD_CLK | ESP8266 SDIO pin / ESP-socket GPIO expansion |
16 | GPIO23 | SD_CMD | IESP8266 SDIO pin / ESP-socket GPIO expansion |
17 | 3V3 | 3V3 | Power for ATMega |
18 | GPIO24 | SD_D0 | ESP8266 SDIO pin / ESP-socket GPIO expansion |
19 | GPIO10 | SPI_MOSI | Display SPI interface, expansion header |
20 | GND | GND | Ground |
21 | GPIO9 | SPI_MISO | Expansion header - SPI |
22 | GPIO25 | SD_D1 | ESP8266 SDIO pin / ESP-socket GPIO expansion |
23 | GPIO11 | SCK | Display SPI interface, expansion header |
24 | GPIO8 | SPI_CSO | Display SPI interface |
25 | GND | GND | Ground |
26 | GPIO7 | SPI_CS1 | Expansion header - SPI |
27 | GPIO0 | SD_RST | EEPROM SDA / ESP8266 RESET pin / ESP-socket GPIO expansion |
28 | GPIO1 | MCP_INT | EEPROM SCL / MCP23017 interrupt pin |
29 | GPIO5 | DP_RST | Keypad GPIO / Display SPI interface |
30 | GND | GND | Ground |
31 | GPIO6 | DP_DC | Display SPI interface |
32 | GPIO12 | AUDIO_0 | PWM audio |
33 | GPIO13 | AUDIO_1 | PWM audio |
34 | GND | GND | Ground |
35 | GPIO19 | GPIO | Expansion header / I2S / SPI1 |
36 | GPIO16 | KEYPAD_INT | ATMega328p interrupt pin |
37 | GPIO26 | SD_D2 | ESP8266 SDIO pin / ESP-socket GPIO expansion |
38 | GPIO20 | GPIO | Expansion header / I2S / SPI1 |
39 | GND | GND | Ground |
40 | GPIO21 | GPIO | Expansion header /I2S / SPI1 |