PIC18
PIC18, MPLAB X IDE, XC8, UART, printf
CoyoteUgly
2018. 9. 12. 22:39
PIC18, MPLAB X IDE, XC8, UART, printf
0. 참고 사항
1. HW 연결
2. 소스 설명
full 소스는 아래 github를 통해 확인하세요.
OSC 값이 INTIO67 인 경우에는 1MHz로
HS 인 경우에는 4MHz로 Clock이 설정됨
4MHz, 19200 baudrate
//#pragma config OSC = INTIO67
#pragma config OSC = HS
TXSTA = 0x24; // CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
// 0 0 1 0 0 1 0 0
// CSRC: Clock Source Select bit
// TX9: 9-bit Transmit Enable bit
// TXEN: Transmit Enable bit
// SYNC: EUSART Mode Select bit
// SENDB: Send Break Character bit
// BRGH: High Baud Rate Select bit
// TRMT: Transmit Shift Register Status bit
// TX9D: 9th bit of Transmit Data
RCSTA = 0x90; // SPEN RX9 SREN CREN ADDEN FERR OERR RX9D
// 1 0 0 0 0 0 0 0
// SPEN: Serial Port Enable bit
// RX9: 9-bit Receive Enable bit
// SREN: Single Receive Enable bit
// CREN: Continuous Receive Enable bit
// ADDEN: Address Detect Enable bit
// FERR: Framing Error bit
// OERR: Overrun Error bit
// RX9D: 9th bit of Received Data
SPBRG = 12; // 4MHz, 19200
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3. 소스
4. 결과
