Example Description This example describes how to use UART TX to simulate clock source Required Components: Oscilloscope Connect to PC - Connect Ground: connect to GND of oscilloscope - Use UART1 GPIOA_6 as UART1_RX connect NOTHING GPIOA_7 as UART1_TX connect to probe of oscilloscope This example shows: 1. Clock signal output from UART1_TX to oscilloscope