| 1 | ANTEX | RF | RF INPUT/OUTPUT | |
| 2 | VSS/GND | POWER | | |
| 3 | VCC | POWER | | |
| 4 | NRST/P0.09 | I/O | Need To be Pulled Up by nRF52 | Internally Connected to nRF52810 P0.09 |
| 5 | VDDA/VREF+ | POWER | | |
| 6 | PA8 | I/O | MCO, TIM1_CH1, SPI2_SCK/I2S2_CK, USART1_CK, LPTIM2_OUT, CM4_EVENTOUT | |
| 7 | PA5 | I/O | TIM2_CH1, TIM2_ETR, SPI2_MISO, SPI1_SCK, DEBUG_SUBGHZSPI_SCKOUT, LPTIM2_ETR, CM4_EVENTOUT | |
| 8 | PA7 | I/O | TIM1_CH1N, I2C3_SCL, SPI1_MOSI, COMP2_OUT, DEBUG_SUBGHZSPI_MOSIOUT, TIM17_CH1, CM4_EVENTOUT | |
| 9 | PA4 | I/O | RTC_OUT2, LPTIM1_OUT, SPI1_NSS, USART2_CK, DEBUG_SUBGHZSPI_NSSOUT, LPTIM2_OUT, CM4_EVENTOUT | |
| 10 | PB10 | I/O | TIM2_CH3, I2C3_SCL, SPI2_SCK/I2S2_CK, LPUART1_RX, COMP1_OUT, CM4_EVENTOUT | |
| 11 | PB1 | I/O | LPUART1_RTS_DE, LPTIM2_IN1, CM4_EVENTOUT | |
| 12 | PB2 | I/O | LPTIM1_OUT, I2C3_SMBA, SPI1_NSS, DEBUG_RF_SMPSRDY, CM4_EVENTOUT | |
| 13 | PA10 | I/O | RTC_REFIN, TIM1_CH3, I2C1_SDA, SPI2_MOSI/I2S2_SD, USART1_RX, DEBUG_RF_HSE32RDY, TIM17_BKIN, CM4_EVENTOUT | |
| 14 | PB13 | I/O | TIM1_CH1N, I2C3_SCL, SPI2_SCK/I2S2_CK, LPUART1_CTS, CM4_EVENTOUT | ADC_IN0 |
| 15 | PB14 | I/O | TIM1_CH2N, I2S2_MCK, I2C3_SDA, SPI2_MISO, CM4_EVENTOUT | |
| 16 | PA0 | I/O | TIM2_CH1, I2C3_SMBA, I2S_CKIN, USART2_CTS, COMP1_OUT, DEBUG_PWR_REGLP1S, TIM2_ETR, CM4_EVENTOUT | TAMP_IN2/WKUP1 |
| 17 | VSS/GND | POWER | - | |
| 18 | PB15 | I/O | TIM1_CH3N, I2C2_SCL, SPI2_MOSI/I2S2_SD, CM4_EVENTOUT | |
| 19 | PC0 | I/O | LPTIM1_IN1, I2C3_SCL, LPUART1_RX, LPTIM2_IN1, CM4_EVENTOUT | |
| 20 | PC1 | I/O | LPTIM1_OUT, SPI2_MOSI/I2S2_SD, I2C3_SDA, LPUART1_TX, CM4_EVENTOUT | |
| 21 | VBATT | POWER | - | |
| 22 | PB3 | I/O | JTDO/TRACESWO, TIM2_CH2, SPI1_SCK, RF_IRQ0, USART1_RTS, DEBUG_RF_DTB1, CM4_EVENTOUT | |
| 23 | PB4 | I/O | NJTRST, I2C3_SDA, SPI1_MISO, USART1_CTS, DEBUG_RF_LDORDY, TIM17_BKIN, CM4_EVENTOUT | |
| 24 | PB5 | I/O | LPTIM1_IN1, I2C1_SMBA, SPI1_MOSI, RF_IRQ1, USART1_CK, COMP2_OUT, TIM16_BKIN, CM4_EVENTOUT | |
| 25 | PB9 | I/O | TIM1_CH3N, I2C1_SDA, SPI2_NSS/I2S2_WS, IR_OUT, TIM17_CH1, CM4_EVENTOUT | |
| 26 | PB8 | I/O | TIM1_CH2N, I2C1_SCL, RF_IRQ2, TIM16_CH1, CM4_EVENTOUT | |
| 27 | PB11 | I/O | TIM2_CH4, I2C3_SDA, LPUART1_TX, COMP2_OUT, CM4_EVENTOUT | |
| 28 | PA14 | I/O | JTCK-SWCLK, LPTIM1_OUT, I2C1_SMBA, CM4_EVENTOUT | ADC_IN10 |
| 29 | PA13 | I/O | JTMS-SWDIO, I2C2_SMBA, IR_OUT, CM4_EVENTOUT | ADC_IN9 |
| 30 | PB7 | I/O | LPTIM1_IN2, TIM1_BKIN, I2C1_SDA, USART1_RX, TIM17_CH1N, CM4_EVENTOUT | |
| 31 | PB6 | I/O | LPTIM1_ETR, I2C1_SCL, USART1_TX, TIM16_CH1N, CM4_EVENTOUT | |
| 32 | PA15 | I/O | JTDI, TIM2_CH1, TIM2_ETR, I2C2_SDA, SPI1_NSS, CM4_EVENTOUT | |
| 33 | PA6 | I/O | TIM1_BKIN, I2C2_SMBA, SPI1_MISO, LPUART1_CTS, DEBUG_SUBGHZSPI_MISOOUT, TIM16_CH1, CM4_EVENTOUT | |
| 34 | PC2 | I/O | LPTIM1_IN2, SPI2_MISO, CM4_EVENTOUT | |
| 35 | P0.10 | I/O | nRF52810 Pin | |
| 36 | PA11 | I/O | TIM1_CH4, TIM1_BKIN2, LPTIM3_ETR, I2C2_SDA, SPI1_MISO, USART1_CTS, DEBUG_RF_NRESET, CM4_EVENTOUT | |
| 37 | PA3/P0.16 | I/O | TIM2_CH4, I2S2_MCK, USART2_RX, LPUART1_RX, CM4_EVENTOUT | Internally Connected to nRF52810 P0.16 |
| 38 | PA2/P0.18 | I/O | LSCO, TIM2_CH3, USART2_TX, LPUART1_TX, COMP2_OUT, DEBUG_PWR_LDORDY, CM4_EVENTOUT | LSCO, Internally Connected to nRF52811 P0.18 |
| 39 | PA12 | I/O | TIM1_ETR, LPTIM3_IN1, I2C2_SCL, SPI1_MOSI, RF_BUSY, USART1_RTS, CM4_EVENTOUT | ADC_IN8 |
| 40 | SWDCLK | I/O | nRF52810 Pin | |
| 41 | VSS/GND | POWER | - | |
| 42 | SWDIO | I/O | nRF52810 Pin | |
| -- | PA1 | I/O | TIM2_CH2, LPTIM3_OUT,I2C1_SMBA, SPI1_SCK,,USART2_RTS, LPUART1_RTS,DEBUG_PWR_REGLP2S,CM4_EVENTOUT | Internally Connected to nRF52810 P0.20 |
