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Board overview
Banana Pi BPI-M5
Banana Pi · BPI-M
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Simplified technical illustration. Pin data is source-backed; verify against the linked documentation before wiring.
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Mapped source · Banana Pi BPI-M5 official documentationOfficial- GPIO signals use 3.3 V logic and are not 5 V tolerant.
- The listed peripheral names are alternate pin-mux functions, not simultaneously active defaults.
- SDIO- and audio-labeled functions can conflict with software overlays or attached hardware.
All 40 pins
| # | Signal | Role | Net | Also / notes |
|---|---|---|---|---|
| 1 | Power | 3V3 | ||
| 3 | I2C | I2C | I2C_M2 SDA | |
| 5 | I2C | I2C | I2C_M2 SCL | |
| 7 | Alt | SDIO CMD | ||
| 9 | Ground | GND | ||
| 11 | Alt | SDIO D3 | ||
| 13 | Alt | SDIO CLK | ||
| 15 | PWM | PWM F | ||
| 17 | Power | 3V3 | ||
| 19 | Alt | PCM DIN | ||
| 21 | Alt | PCM DOUT | ||
| 23 | Alt | PCM CLK | ||
| 25 | Ground | GND | ||
| 27 | I2C | I2C | I2C_M3 SDA | |
| 29 | UART | UART | UART_A CTS | |
| 31 | UART | UART | UART_A RTS | |
| 33 | PWM | PWM A | ||
| 35 | Alt | TDMB FS | ||
| 37 | Alt | I2S | I2S MCLK | |
| 39 | Ground | GND | ||
| 2 | Power | 5V | ||
| 4 | Power | 5V | ||
| 6 | Ground | GND | ||
| 8 | UART | UART | UART_A TX | |
| 10 | UART | UART | UART_A RX | |
| 12 | Alt | TDMB SCLK | ||
| 14 | Ground | GND | ||
| 16 | Alt | SDIO D0 | ||
| 18 | Alt | SDIO D1 | ||
| 20 | Ground | GND | ||
| 22 | Alt | SDIO D2 | ||
| 24 | Alt | PCM SYNC | ||
| 26 | PWM | PWM E | ||
| 28 | I2C | I2C | I2C_M3 SCL | |
| 30 | Ground | GND | ||
| 32 | PWM | PWM B | ||
| 34 | Ground | GND | ||
| 36 | Alt | SPDIF IN | ||
| 38 | Alt | TDMB DIN | ||
| 40 | Alt | TDMB DOUT |