| Pin ID | Pin Name | Toniebox usage | Target | Notes |
|---|---|---|---|---|
| 01 | GPIO10 | SD_CLK | SD | |
| 02 | GPIO11 | SD_CMD | SD | |
| 03 | GPIO12 | I2C_SCL | MMA + DAC | |
| 04 | GPIO13 | I2C_SDA | MMA + DAC | |
| 05 | GPIO14 | GSPI_CLK | RFID | |
| 06 | GPIO15 | GSPI_MISO | RFID | |
| 07 | GPIO16 | GSPI_MOSI | RFID | |
| 08 | GPIO17 | Charger | Battery | 2.4V when on charger |
| 09 | VDD_DIG1 | |||
| 10 | VINIO1 | |||
| 11 | FLASH_SPI_CLK | |||
| 12 | FLASH_SPI_DOUT | |||
| 13 | FLASH_SPI_DIN | |||
| 14 | FLASH_SPI_CS | |||
| 15 | GPIO22 | MMA INT1 | MMA | |
| 16 | TDI (GPIO23) | CS | RFID | |
| 17 | TDO (GPIO24) | Blue LED | LED | |
| 18 | GPIO28 | RFID IRQ | RFID | |
| 19 | TCK | Red LED | LED | PWM? / SWD |
| 20 | TMS (GPIO29) | SWD | ||
| 21 | SOP2 (GPIO25) | Green LED | LED | |
| 22 | WLAN_XTAL_N | |||
| 23 | WLAN_XTAL_P | |||
| 24 | VDD_PLL | |||
| 25 | LDO_IN2 | |||
| 26 | NC | |||
| 27 | NC | |||
| 28 | NC | |||
| 29 | ANTSEL1 | |||
| 30 | ANTSEL2 | |||
| 31 | RF_BG | |||
| 32 | nRESET | |||
| 33 | VDD_PA_IN | |||
| 34 | SOP1 | |||
| 35 | SOP0 | |||
| 36 | LDO_IN1 | |||
| 37 | VIN_DCDC_ANA | |||
| 38 | DCDC_ANA_SW | |||
| 39 | VIN_DCDC_PA | |||
| 40 | DCDC_PA_SW_P | |||
| 41 | DCDC_PA_SW_N | |||
| 42 | DCDC_PA_OUT | |||
| 43 | DCDC_DIG_SW | |||
| 44 | VIN_DCDC_DIG | |||
| 45 | DCDC_ANA2_SW_P (GPIO31) | |||
| 46 | DCDC_ANA2_SW_N | |||
| 47 | VDD_ANA2 | |||
| 48 | VDD_ABA1 | |||
| 49 | VDD_RAM | |||
| 50 | GPIO00 | I2S Data0 (DIN) | DAC | |
| 51 | RTC_XTAL_P | |||
| 52 | RTC_XTAL_N (GPIO32) | |||
| 53 | GPIO30 | I2S ClockO (BCLK) | DAC | |
| 54 | VIN_IO2 | |||
| 55 | GPIO01 | DAC Headphone detection | DAC+UART | TX0 |
| 56 | VDD_DIG2 | |||
| 57 | GPIO02 | BTN01 | Ears | RX0 / big ear |
| 58 | GPIO03 | Power | SD | Low = Power on |
| 59 | GPIO04 | BTN02 | Ears | small ear |
| 60 | GPIO05 | ADC | Battery | Battery level analog pin |
| 61 | GPIO06 | Power | MMA + DAC | High = Power on |
| 62 | GPIO07 | DAC Reset / RFID EN | DAC / RFID | 10ns Low for Reset |
| 63 | GPIO08 | I2S Frame Sync (WCLK) | DAC | |
| 64 | GPIO09 | SD_D0 | SD |
Pinout