3069RF-ZTAT Datasheet, PDF (506/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

1
(LSB)
Serial 0
D0
data
Start
bit
1 bit
(MSB)
D1 D2 D3 D4 D5 D6 D7 0/1
Transmit or receive data
7 or 8 bits
One unit of data (character or frame)
Parity
bit
1 bit,
or
none
Idle (mark) state
1
1
1
Stop bit(s)
1 or 2 bits
Figure 13.2 Data Format in Asynchronous Communication
(Example: 8-Bit Data with Parity and 2 Stop Bits)
Communication Formats: Table 13.10 shows the 12 communication formats that can be selected
in asynchronous mode. The format is selected by settings in SMR.
Rev. 5.0, 09/04, page 484 of 978