M38002M4 Datasheet, PDF (78/173 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.3 Serial I/O
2.3.4 Setting of serial I/O transfer data format
A clock synchronous or clock asynchronous (UART) is selected as a data format of the serial I/O.
Figure 2.3.12 shows a setting of serial I/O transfer data format.
Serial
I/O
1ST-8DATA-1SP
ST LSB
1ST-7DATA-1SP
ST LSB
1ST-8DATA-1PAR-1SP
ST LSB
UART
1ST-7DATA-1PAR-1SP
ST LSB
1ST-8DATA-2SP
ST LSB
1ST-7DATA-2SP
ST LSB
1ST-8DATA-1PAR-2SP
ST LSB
1ST-7DATA-1PAR-2SP
ST LSB
Clock synchronous
Serial I/O
LSB first
Fig. 2.3.12 Setting of Serial I/O transfer data format
MSB SP
MSB SP
MSB PAR SP
MSB PAR SP
MSB 2SP
MSB 2SP
MSB PAR 2SP
MSB PAR 2SP
ST : Start bit
SP : Stop bit
PAR : Parity bit
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3800 GROUP USER’S MANUAL