HD6433308 Datasheet, PDF (336/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

SMR—Serial Mode Register
H’FFD8
SCI
Bit
7
6
5
4
3
2
1
0
C/A CHR
PE
O/E STOP — CKS1 CKS0
Initial value 0
0
0
0
0
1
0
0
Read/Write R/W R/W R/W R/W R/W — R/W R/W
Clock Select
0 0 Ø clock
0 1 Ø/4 clock
1 0 Ø/16 clock
1 1 Ø/64 clock
Stop Bit Length
0 One stop bit
1 Two stop bits
Parity Mode
0 Even parity
1 Odd parity
Parity Enable
0 Transmit: No parity bit added.
Receive: Parity bit not checked.
1 Transmit: Parity bit added.
Receive: Parity bit checked.
Character Length
0 8-Bit data length
1 7-Bit data length
Communication Mode
0 Asynchronous
1 Synchronous
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