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STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

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RM0008<br />

General-purpose <strong>and</strong> alternate-function I/Os (GPIOs <strong>and</strong> AFIOs)<br />

Table 27.<br />

SDIO<br />

SDIO pinout<br />

GPIO configuration<br />

SDIO_CK<br />

SDIO_CMD<br />

SDIO[D7:D0]<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

The GPIO configuration of the ADC inputs should be analog.<br />

Figure 19.<br />

ADC / DAC<br />

ADC/DAC pin<br />

GPIO configuration<br />

ADC/DAC<br />

Analog input<br />

Table 28.<br />

FSMC<br />

FSMC pinout<br />

GPIO configuration<br />

FSMC_A[25:0]<br />

FSMC_D[15:0]<br />

FSMC_CK<br />

FSMC_NOE<br />

FSMC_NWE<br />

FSMC_NE[4:1]<br />

FSMC_NCE[3:2]<br />

FSMC_NCE4_1<br />

FSMC_NCE4_2<br />

FSMC_NWAIT<br />

FSMC_CD<br />

FSMC_NIOS16,<br />

FSMC_INTR<br />

FSMC_INT[3:2]<br />

FSMC_NL<br />

FSMC_NBL[1:0]<br />

FSMC_NIORD, FSMC_NIOWR<br />

FSMC_NREG<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

Input floating/ Input pull-up<br />

Input floating<br />

Alternate function push-pull<br />

Alternate function push-pull<br />

Table 29.<br />

TAMPER-RTC pin<br />

Other IOs<br />

Pins Alternate function GPIO configuration<br />

RTC output<br />

Tamper event input<br />

Forced by hardware when configuring the<br />

BKP_CR <strong>and</strong> BKP_RTCCR registers<br />

MCO Clock output Alternate function push-pull<br />

EXTI input lines External input interrupts Input floating / input pull-up / input pull-down<br />

Doc ID 13902 Rev 9 147/995

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