Pin Descriptions

Table 1. Pin Descriptions
Module Pin NO. Chip Pin NO. Pin Name Signal Name Type (1) IO Ring Pin Mux Encoding Pad States
Reset LPDS (2)
1 - GND - Ground - - - -
2 - GND - Ground - - - -
3 49 nRESET nRESET I - - - -
4 52 GPIO37 (3) SDMMC_POW1 I/O VIO1 3 PD Hi-Z, Pull, Drive
SDMMC_WP 4
COEX_REQ 18
SDIO_OOB_IRQ 19
COEX_GRANT 20
ANT_SEL_0 23
CCA 24
5 53 GPIO36 SDMMC_POW2 I/O VIO1 3 PD Hi-Z, Pull, Drive
SDMMC_WP 4
COEX_REQ 19
COEX_GRANT 20
CCA 24
6 - GND - Ground - - - -
7 - VDD_3V3 - Power - - - -
8 - VDD_3V3 - Power - - - -
9 - GND - Ground - - - -
10 - GND - Ground - - - -
11 - VDD_1V8 - Power - - - -
12 - VDD_1V8 - Power - - - -
13 8 GPIO35 SPI1_CLK I/O VIO2 3 PU Hi-Z, Pull, Drive
UART1_RX 5
I2C0_DATA 6
I2S_DATA1 7
PDM_BCLK 8
GPT0_1 9
DCAN_RX 10
I2C1_DATA 11
SPI0_CS4 16
SPI0_CS3 17
GPT0_2_N 18
GPT1_2_N 19
COEX_PRIORITY 20
ANT_SEL_0 23
GPT1_PRE_EVENT 24
COEX_REQ 29
SDIO_CMD 30
UART2_RX 31
14 9 GPIO34 SPI1_PICO I/O VIO2 4 PU Hi-Z, Pull, Drive
UART1_CTS 5
I2C1_DATA 6
I2S_BCLK 7
PDM_DATA1 8
GPT1_3 9
DCAN_RX 10
SPI0_CS2 16
GPT1_1_N 18
GPT0_3_N 19
COEX_REQ 20
SDIO_CLK 30
UART2_RX 31
15 11 GPIO33 SPI1_POCI I/O VIO2 4 PU Hi-Z, Pull, Drive
UART1_RX 5
I2C0_CLK 6
I2S_DATA0 7
PDM_DATA0 8
GPT1_2 9
DCAN_TX 10
SPI0_CS4 16
GPT1_0_N 18
GPT0_2_N 19
COEX_GRANT 20
GPT1_PRE_EVENT 24
SDIO_D0 30
UART2_CTS 31
16 12 GPIO32 SPI1_CS1 I/O VIO2 3 PU Hi-Z, Pull, Drive
SPI1_CLK 4
UART1_TX 5
I2C0_DATA 6
I2S_DATA1 7
PDM_BCLK 8
GPT1_1 9
DCAN_RX 10
SPI0_CS3 16
GPT1_0_N 18
GPT0_1_N 19
COEX_REQ 20
SDIO_D1 30
UART2_RTS 31
17 13 GPIO31 SPI1_CS1 I/O VIO2 4 PU Hi-Z, Pull, Drive
UART1_RTS 5
I2C1_CLK 6
I2S_WCLK 7
PDM_BCLK 8
GPT1_0 9
DCAN_TX 10
SPI0_CS3 16
GPT1_1_N 18
GPT0_0_N 19
COEX_GRANT 20
ANT_SEL_0 23
GPT_INFRARED 24
SDIO_D2 30
UART2_TX 31
18 14 GPIO30 I2C1_CLK I/O VIO2 5 PU Hi-Z, Pull, Drive
I2C0_CLK 6
I2S_DATA0 7
PDM_DATA0 8
GPT1_1 9
DCAN_TX 10
SPI0_CS2 16
GPT0_2_N 18
COEX_GRANT 19
COEX_REQ 20
ANT_SEL_0 23
CCA 24
GPT1_PRE_EVENT 28
GPT0_PRE_EVENT 29
SDIO_D3 30
UART2_TX 31
19 16 GPIO29 SPI0_PICO I/O VIO2 4 PU Hi-Z, Pull, Drive
UART0_CTS 5
I2C1_DATA 6
I2S_BCLK 7
PDM_DATA1 8
GPT0_3 9
DCAN_RX 10
I2S_MCLK 12
SPI1_CS4 16
GPT0_1_N 18
GPT1_3_N 19
COEX_GRANT 20
SDIO_OOB_IRQ 30
UART2_RX 31
20 17 GPIO28 SPI0_POCI I/O VIO2 4 PU Hi-Z, Pull, Drive
UART0_RX 5
I2C0_CLK 6
I2S_DATA1 7
PDM_BCLK 8
GPT0_2 9
SPI1_CS4 16
GPT0_0_N 18
GPT1_2_N 19
COEX_PRIORITY 20
GPT0_PRE_EVENT 24
UART2_CTS 31
21 18 GPIO27 SPI0_CLK I/O VIO2 4 PU Hi-Z, Pull, Drive
UART0_TX 5
I2C0_DATA 6
I2S_DATA0 7
PDM_DATA0 8
GPT0_1 9
SPI1_CS3 16
GPT0_0_N 18
GPT1_1_N 19
COEX_REQ 20
UART2_RTS 31
22 19 GPIO26 SPI0_CS1 I/O VIO2 4 PU Hi-Z, Pull, Drive
UART0_RTS 5
I2C1_CLK 6
I2S_WCLK 7
PDM_BCLK 8
GPT0_0 9
DCAN_TX 10
SPI1_CS2 16
GPT0_1_N 18
GPT1_0_N 19
COEX_GRANT 20
COEX_REQ 21
ANT_SEL_0 23
GPT_INFRARED 24
SDIO_OOB_IRQ 30
UART2_TX 31
23 - VIO2 - Power - - - -
24 - GND - Ground - - - -
25 - GND - Ground - - - -
26 - GND - Ground - - - -
27 - GND - Ground - - - -
28 20 xSPI_D0 xSPI_D0 I/O VDD_SF - PU Hi-Z, Pull, Drive
29 21 xSPI_CLK xSPI_CLK O VDD_SF - PU Hi-Z, Pull, Drive
30 22 xSPI_D3 xSPI_D3 I/O VDD_SF - PU Hi-Z, Pull, Drive
31 24 xSPI_D2 xSPI_D2 I/O VDD_SF - PU Hi-Z, Pull, Drive
32 25 xSPI_D1 xSPI_D1 I/O VDD_SF - PU Hi-Z, Pull, Drive
33 - GND - Ground - - - -
34 - GND - Ground - - - -
35 - GND - Ground - - - -
36 - GND - Ground - - - -
37 - GND - Ground - - - -
38 - GND - Ground - - - -
39 - GND - Ground - - - -
40 - GND - Ground - - - -
41 - GND - Ground - - - -
42 - GND - Ground - - - -
43 - GND - Ground - - - -
44 - GND - Ground - - - -
45 - GND - Ground - - - -
46 - GND - Ground - - - -
47 - GND - Ground - - - -
48 - GND - Ground - - - -
49 - GND - Ground - - - -
50 - GND - Ground - - - -
51 - GND - Ground - - - -
52 27 GPIO19 SPI0_PICO I/O VIO1 4 PU Hi-Z, Pull, Drive
UART0_CTS 5
I2C1_CLK 6
I2S_BCLK 7
PDM_DATA0 8
GPT0_3 9
DCAN_RX 10
GPT0_PRE_EVENT 16
SDIO_OOB_IRQ 17
GPT0_1_N 18
SDIO_D3 19
COEX_PRIORITY 20
GPT1_3_N 21
GPT_INFRARED 22
UART2_RX 30
53 28 GPIO18 SPI0_POCI I/O VIO1 4 PU Hi-Z, Pull, Drive
UART0_RX 5
I2C0_DATA 6
I2S_DATA0 7
PDM_DATA1 8
GPT0_2 9
DCAN_TX 10
SPI1_CS4 16
SDIO_OOB_IRQ 17
GPT0_0_N 18
COEX_REQ 20
GPT1_2_N 21
54 29 GPIO17 SDMMC_WP I/O VIO1 1 PU Hi-Z, Pull, Drive
SPI0_CLK 4
UART0_TX 5
I2C0_CLK 6
I2S_DATA1 7
PDM_DATA0 8
GPT0_1 9
SPI1_CS3 16
SDIO_OOB_IRQ 17
GPT0_0_N 18
COEX_GRANT 20
GPT1_1_N 21
55 30 GPIO16 SPI0_CS1 I/O VIO1 4 PU Hi-Z, Pull, Drive
UART0_RTS 5
I2C1_DATA 6
I2S_WCLK 7
PDM_BCLK 8
GPT0_0 9
SPI1_CS2 16
GPT0_1_N 18
SDIO_D2 19
GPT1_0_N 21
GPT_INFRARED 22
ANT_SEL_0 23
UART2_TX 30
56 31 GPIO15 SDMMC_CMD I/O VIO1 3 PU Hi-Z, Pull, Drive
SPI1_POCI 4
UART1_RX 5
UART0_CTS 6
GPT1_1 9
SPI0_CS2 16
GPT0_PRE_EVENT 17
GPT1_0_N 18
SDIO_D1 19
COEX_REQ 20
57 32 GPIO14 SDMMC_CLK I/O VIO1 3 PU Hi-Z, Pull, Drive
SPI1_CLK 4
UART1_TX 5
UART0_RX 6
GPT1_0 9
SPI0_CS2 16
GPT1_PRE_EVENT 17
GPT1_1_N 18
SDIO_D0 19
COEX_GRANT 20
58 33 GPIO13 SDMMC_DATA_0 I/O VIO1 3 PU Hi-Z, Pull, Drive
SPI1_PICO 4
UART1_CTS 5
UART0_TX 6
I2S_BCLK 7
I2S_MCLK 8
GPT1_3 9
GPT1_2_N 18
SDIO_CMD 19
COEX_PRIORITY 20
ANT_SEL_0 23
UART2_RX 31
59 34 GPIO12 SDMMC_DATA_1 I/O VIO1 3 PU Hi-Z, Pull, Drive
SPI1_CS1 4
UART1_RTS 5
UART0_RTS 6
I2S_WCLK 7
GPT1_2 9
GPT0_PRE_EVENT 16
GPT1_PRE_EVENT 17
GPT1_3_N 18
SDIO_CLK 19
UART2_TX 31
60 35 GPIO11 ADC0 I/O VIO1 PU Hi-Z, Pull, Drive
UART1_RX 1
SDMMC_DATA_2 3
SPI1_CS1 4
UART1_CTS 5
I2C1_CLK 6
I2S_DATA0 7
PDM_DATA0 8
GPT1_1 9
DCAN_TX 10
SPI0_CS2 16
GPT1_2_N 18
SDIO_D2 19
COEX_REQ 20
CCA 24
UART2_CTS 30
UART2_RX 31
61 36 GPIO10 ADC1 I/O VIO1 PU Hi-Z, Pull, Drive
UART1_TX 1
SDMMC_DATA_3 3
SPI1_CLK 4
UART1_RTS 5
I2C1_DATA 6
I2S_DATA1 7
PDM_DATA1 8
GPT1_0 9
DCAN_RX 10
SPI0_CS3 16
GPT1_3_N 18
SDIO_D3 19
COEX_PRIORITY 20
COEX_GRANT 21
CCA 24
UART2_RTS 30
UART2_TX 31
62 - VIO1 - Power - - - -
63 38 LOGGER (3) LOGGER O VIO1 - PU Hi-Z, Pull, Drive
64 39 SWCLK SWCLK I VIO1 - PD Hi-Z, Pull, Drive
65 40 SWDIO SWDIO I/O VIO1 - PU Hi-Z, Pull, Drive
66 41 GPIO6 ADC2 I/O VIO1 PU Hi-Z, Pull, Drive
SDMMC_POW1 3
SPI1_PICO 4
UART1_RX 5
I2C0_DATA 6
I2S_WCLK 7
PDM_DATA0 8
GPT1_3 9
DCAN_RX 10
SDMMC_WP 11
SPI0_CS4 16
I2S_BCLK 17
GPT1_1_N 18
SDIO_D1 19
COEX_PRIORITY 20
GPT0_3_N 21
GPT1_PRE_EVENT 22
ANT_SEL_0 23
CCA 24
COEX_GRANT 26
I2C1_CLK 28
SDMMC_POW2 29
UART2_CTS 30
67 42 GPIO5 ADC3 I/O VIO1 PU Hi-Z, Pull, Drive
SDMMC_POW2 3
SPI1_POCI 4
UART1_TX 5
I2C0_CLK 6
I2S_MCLK 7
PDM_BCLK 8
GPT1_2 9
DCAN_TX 10
SPI0_CS4 16
GPT1_0_N 18
SDIO_D0 19
COEX_REQ 20
GPT0_2_N 21
I2C1_DATA 28
UART2_RTS 30
68 43 GPIO4 ADC4 I/O VIO1 PU Hi-Z, Pull, Drive
UART1_RX 1
SDMMC_CD 3
SPI1_CS1 4
UART1_CTS 5
I2S_BCLK 6
I2S_DATA1 7
PDM_BCLK 8
GPT1_1 9
DCAN_TX 10
SPI0_CS2 16
GPT1_0_N 18
SDIO_CMD 19
COEX_PRIORITY 20
GPT0_1_N 21
I2C1_CLK 28
UART2_RX 30
69 44 GPIO3 ADC5 I/O VIO1 PU Hi-Z, Pull, Drive
UART1_TX 1
SDMMC_WP 3
SPI1_CLK 4
UART1_RTS 5
I2S_MCLK 6
I2S_DATA0 7
PDM_DATA1 8
GPT1_0 9
DCAN_RX 10
SPI0_CS3 16
GPT1_1_N 18
SDIO_CLK 19
COEX_REQ 20
GPT0_0_N 21
GPT_INFRARED 22
I2C1_DATA 28
UART2_TX 30
70 46 GPIO2 ADC6 I/O VIO1 PU Hi-Z, Pull, Drive
SDMMC_CD 3
I2C1_CLK 6
GPT1_3 9
DCAN_TX 10
SPI0_CS4 16
GPT1_PRE_EVENT 18
SDIO_OOB_IRQ 19
COEX_GRANT 20
COEX_REQ 21
CCA 24
71 50 GPIO1 LFXTAL_N I/O VIO1 0 PD Hi-Z, Pull, Drive
ADC7
GPT1_PRE_EVENT 7
GPT0_PRE_EVENT 8
GPT1_0 9
GPT0_0 10
GPT_INFRARED 11
SDIO_OOB_IRQ 19
COEX_GRANT 20
COEX_REQ 21
ANT_SEL_0 23
72 51 GPIO0 LFXTAL_P I/O VIO1 PD Hi-Z, Pull, Drive
SLOW_CLK_IN 1
GPT1_1 9
GPT0_1 10
COEX_REQ 21
73 GND - Ground - - - -
74 GND - Ground - - - -
75 GND - Ground - - - -
76 GND - Ground - - - -
77 NC - - - - - -
78 GND - Ground - - - -
79 GND - Ground - - - -
80 GND - Ground - - - -
81 GND - Ground - - - -
82 GND - Ground - - - -
83 GND - Ground - - - -
84 GND - Ground - - - -
85 GND - Ground - - - -
86 GND - Ground - - - -
87 GND - Ground - - - -
88 GND - Ground - - - -
89 ANT0 ANT0 RF - - - -
90 GND - Ground - - - -
91 GND - Ground - - - -
92 GND - Ground - - - -
93-101 GND, thermal pads - Ground - - - -
Note:
  1. Signal Types: I = Input, O = Output, I/O = Input or Output.
  2. LPDS state: Unused I/Os are in a Hi-Z state. Software may program the I/Os to be input with pull or drive (regardless of active pin configuration), according to the need.
  3. GPIO37 and Logger are sensed by the device during boot, boot state should be "01" with GPIO37 being low and Logger being high.