推 gunseed:對滴 10/15 14:27
PIC18F系列有硬體USART一組，也有軟體USART。
查了文件如下所述：
請問PORTB的TXPIN4和PORTB的RXPIN5
指的是RB4和RB5嗎???
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SWTXD equ PORTB ; Transmit pin port and pin
SWTXD pin equ 4
TRIS_SWTXD equ TRISB ; Transmit pin tris and pin
SWRXD equ PORTB ; Receive pin port and pin
SWRXD pin equ 5
TRIS_SWRXD equ TRISB ; Receive pin tris and pin
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