STM32F048C6 datasheet(31/98 Pages) STMICROELECTRONICS

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STM32F048C6 STM32F048G6 STM32F048T6

Pinouts and pin descriptions

VSS

Ground

VDD

Digital power supply

1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current

(3 mA), the use of GPIOs PC13 to PC15 in output mode is limited:

- The speed should not exceed 2 MHz with a maximum load of 30 pF.

- These GPIOs must not be used as current sources (e.g. to drive an LED).

2. After the first RTC domain power-up, PC13, PC14 and PC15 operate as GPIOs. Their function then depends on the

content of the RTC registers which are not reset by the system reset. For details on how to manage these GPIOs, refer to

the RTC domain and RTC register descriptions in the reference manual.

3. Distinct VSSA pin is only available on 48-pin packages. On all other packages, the pin number corresponds to the VSS pin

to which VSSA pad of the silicon die is connected.

4. This pin is powered by VDDA.

5. Pin pair PA11/12 can be remapped instead of pin pair PA9/10 using SYSCFG_CFGR1 register.

6. After reset, these pins are configured as SWDIO and SWCLK alternate functions, and the internal pull-up on the SWDIO

pin and the internal pull-down on the SWCLK pin are activated.

Table 12. STM32F048x6 pin definitions (continued)

Pin numbers

Pin name

(function upon

reset)

type

Pin functions

Alternate function

Additional

functions

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