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Content 4/4

Development Board Series STM32F103RET6


Resources on the board


3.3/5.0/12V power input/output pin

Reset input/output pin (switchable)

RTC power input

Standard digital IO*8

Secondary digital IO*27 (Note: Secondary means may be reused and not used first)

Analog IO*4

I2C interface*1

SPI interface*1&CS*3

UART interface*2

SD card interface*1 (SPI mode)

SWD interface*1

Type C (USB2UART interface, use Serial1) *1

DC044 12V power interface*1

1.14" TFT LCD screen*1 (Connect with FPC0.5 8P upper connector)

Normal button*3

Reset button*1

12V power indicator *1

USB connection status indicator*1

3.3V system power indicator *1

Serial port indicator *4 (2 per group)

Serial port line sequence exchange pin header * 2 groups

BOOT0 level switch pin header*1

RTC power input selection pin header*1






Nov 16,2020
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    • gary fry from UNITED KINGDOM
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