ST STM32F101xx User Manual

General-purpose and alternate-function I/Os (GPIOs and AFIOs) RM0008
164/1096 Doc ID 13902 Rev 12
The GPIO configuration of the ADC inputs should be analog.
Table 31. SDIO
SDIO pinout GPIO configuration
SDIO_CK Alternate function push-pull
SDIO_CMD Alternate function push-pull
SDIO[D7:D0] Alternate function push-pull
Figure 19. ADC / DAC
ADC/DAC pin GPIO configuration
ADC/DAC Analog
Table 32. FSMC
FSMC pinout GPIO configuration
FSMC_A[25:0]
FSMC_D[15:0]
Alternate function push-pull
FSMC_CK Alternate function push-pull
FSMC_NOE
FSMC_NWE
Alternate function push-pull
FSMC_NE[4:1]
FSMC_NCE[3:2]
FSMC_NCE4_1
FSMC_NCE4_2
Alternate function push-pull
FSMC_NWAIT
FSMC_CD
Input floating/ Input pull-up
FSMC_NIOS16,
FSMC_INTR
FSMC_INT[3:2]
Input floating
FSMC_NL
FSMC_NBL[1:0]
Alternate function push-pull
FSMC_NIORD, FSMC_NIOWR
FSMC_NREG
Alternate function push-pull
Table 33. Other IOs
Pins Alternate function GPIO configuration
TAMPER-RTC pin
RTC output
Forced by hardware when configuring the
BKP_CR and BKP_RTCCR registers
Tamper event input
MCO Clock output Alternate function push-pull
EXTI input lines External input interrupts Input floating / input pull-up / input pull-down

ST STM32F101xx Specifications

General

Brand	ST
Model	STM32F101xx
Category	Microcontrollers
Language	English