Of the eight external tamper pins available on the STM32MP25, only the following lines are available on the ConnectCore MP25, multiplexed with other functionality:
| GPIO | Tamper pin | Notes |
|---|---|---|
GPIOC_IO04 |
TAMP_IN1 |
Used on the ConnectCore MP25 Development Kit for ETH2_TX_CTL |
GPIOF_IO07 |
TAMP_IN2 |
Used on the ConnectCore MP25 Development Kit for ETH2_GTX_CLK |
GPIOC_IO03 |
TAMP_IN3 |
Used on the ConnectCore MP25 Development Kit for ETH2_RX_CTL |
GPIOZ_IO02 |
TAMP_IN3 |
Used on the ConnectCore MP25 Development Kit for Tamper Button |
GPIOG_IO01 |
TAMP_IN4 |
Used on the ConnectCore MP25 Development Kit for MIKROBUS_ADC |
GPIOF_IO06 |
TAMP_IN5 |
Used on the ConnectCore MP25 Development Kit for ETH2_RX_CLK |
GPIOZ_IO04 |
TAMP_IN5 |
Used on the ConnectCore MP25 Development Kit for TOF_LP |
GPIOC_IO05 |
TAMP_IN6 |
Used on the ConnectCore MP25 Development Kit for ETH2_MDIO |
GPIOG_IO03 |
TAMP_IN7 |
Used on the ConnectCore MP25 Development Kit for MIKROBUS_INT |
GPIOZ_IO06 |
TAMP_IN8 |
Used on the ConnectCore MP25 Development Kit for 3V3_RF_EN on SOM variants with Wi-Fi |
| To use a pad as tamper pin, you must disable drivers with multiplexed functionality on the default device tree. |
