![]() ![]() Mode 1, 10-bit asynchronous communication mode, the frame format of communication is 1 start bit 0, 8 data bits, and finally stop bit 1.Mode 0, 8-bit shift register mode, typical application serial port drive digital tube. ![]() ![]() When REN=1, reception is allowed, when REN=0 REN controls whether acceptance is allowed.Overflow TF: query mode, software cleared interrupt mode, hardware automatically cleared. Set TF0 and trigger the interrupt The timer returns to 0 Timer/Counter Control Register TCON So, you need to time 1us, because it overflows the interrupt, so FF FF overflows after executing +1. Mode 1-bit 16-bit register, the maximum number of GU is 65536 changes from 0-65535-0 Gu The 12M crystal oscillator has a cycle of 1/12us for a positive track and a machine cycle of 1us ![]()
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