STM32F103VB 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F103VB

Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces

STMicroelectronics 

Electrical characteristics

Figure 15. Unused I/O pin connection

VDD

1 0 kΩ

STM32F103xx

UNU SED I/O PORT

STM32F103xx

1 0 kΩ

STM32F103xx

UNU SED I/O PORT

ai14147b

Output driving current

The GPIOs (general purpose input/outputs) can sink or source up to +/-8 mA, and sink

+20 mA (with a relaxed VOL).

In the user application, the number of I/O pins which can drive current must be limited to

respect the absolute maximum rating specified in Section 5.2:

● The sum of the currents sourced by all the I/Os on VDD, plus the maximum Run

consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating

IVDD (see Table 5).

● The sum of the currents sunk by all the I/Os on VSS plus the maximum Run

consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating

IVSS (see Table 5).

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