Expired50% confidenceFactTime unknown
GPIO pins on modern ARM Cortex-M series MCUs can simultaneously support multiple functions including GPIO, UART, SPI, I2C, and timer peripherals, but only one function can be selected at any given time.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
AI Full-Loop Embedded Software Development: Zero-Code UART Communication in One Minute
bilibilimillion老师
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