- Note: This is very close to the 88 pin QFN for i3. Only pin 60 and 61 seem to differ.
| # | Name | # | Name | # | Name | # | Name |
|---|---|---|---|---|---|---|---|
| 1 | AUD_MICIN0 | 23 | PM_UART_TX | 45 | FUART_CTS | 67 | VDD |
| 2 | AUD_MICCM0 | 24 | GND_EFUSE | 46 | FUART_RTS | 68 | VDD |
| 3 | AUD_LINEOUT_L0 | 25 | PM_GPIO4 | 47 | VDD | 69 | VDDP_3 |
| 4 | AVDDIO_DRAM | 26 | PM_SPI_CZ | 48 | I2C1_SCL | 70 | SPI0_CZ |
| 5 | VDDIO_CMD | 27 | PM_SPI_DI | 49 | I2C1_SDA | 71 | SPI0_CK |
| 6 | VDD | 28 | PM_SPI_WPZ | 50 | VDDP_2 | 72 | SPI0_DI |
| 7 | AVDDIO_DRAM | 29 | PM_SPI_DO | 51 | SR_IO02 | 73 | SPI0_DO |
| 8 | VDDIO_DATA | 30 | PM_SPI_CK | 52 | SR_IO03 | 74 | PWM0 |
| 9 | VDDIO_DATA | 31 | PM_SPI_HLD | 53 | SR_IO04 | 75 | PWM1 |
| 10 | AVDD_PLL | 32 | PM_LED0 | 54 | SR_IO05 | 76 | VDD |
| 11 | DVDD_DDR_RX | 33 | PM_LED1 | 55 | SR_IO06 | 77 | SD_CLK |
| 12 | SAR_GPIO3 | 34 | AVDD_XTAL | 56 | SR_IO07 | 78 | SD_CMD |
| 13 | SAR_GPIO2 | 35 | XTAL_IN | 57 | SR_IO08 | 79 | SD_D0 |
| 14 | SAR_GPIO1 | 36 | XTAL_OUT | 58 | SR_IO09 | 80 | SD_D1 |
| 15 | SAR_GPIO0 | 37 | AVDD_ETH | 59 | SR_IO10 | 81 | SD_D2 |
| 16 | DVDD_NODIE | 38 | ETH_RN | 60 | PAD_AUD_MICIN1 | 82 | SD_D3 |
| 17 | AVDD_NODIE | 39 | ETH_RP | 61 | PAD_AUD_MICCM1 | 83 | AVDD_USB |
| 18 | AVDDIO_DRAM | 40 | ETH_TN | 62 | SR_IO13 | 84 | USB_DM |
| 19 | PM_SD_CDZ | 41 | ETH_TP | 63 | SR_IO14 | 85 | USB_DP |
| 20 | PM_IRIN | 42 | VDDP_1 | 64 | SR_IO15 | 86 | AVDD_AUD |
| 21 | PM_RESET | 43 | FUART_RX | 65 | SR_IO16 | 87 | AUD_VAG |
| 22 | PM_UART_RX | 44 | FUART_TX | 66 | SR_IO17 | 88 | AUD_VRM_ADC |
| boot device | PM_SPI_DO | PM_SPI_CK |
|---|---|---|
| SPI NAND or SD | 0 | 1 |
| SPI NAND only | 0 | 0 |
| SPI NOR or SD | 1 | 0 |
| SPI NOR only | 1 | 1 |