HD64F2149 Datasheet, PDF (925/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

SMR1—Serial Mode Register 1
SMR2—Serial Mode Register 2
SMR0—Serial Mode Register 0
Bit
7
C/A
Initial value
0
Read/Write R/W
6
5
CHR
PE
0
0
R/W R/W
H'FF88
H'FFA0
H'FFD8
SCI1
SCI2
SCI0
4
3
2
O/E STOP MP
0
0
0
R/W R/W R/W
1
CKS1
0
R/W
0
CKS0
0
R/W
Clock select 1 and 0
0 0 ø clock
1 ø/4 clock
1 0 ø/16 clock
1 ø/64 clock
Multiprocessor mode
0 Multiprocessor function disabled
1 Multiprocessor format selected
Stop bit length
0 1 stop bit
1 2 stop bits
Parity mode
0 Even parity
1 Odd parity
Parity enable
0 Parity bit addition and checking disabled
1 Parity bit addition and checking enabled
Character length
0 8-bit data
1 7-bit data*
Note: * When 7-bit data is selected, the MSB (bit 7)
of TDR is not transmitted. Also, LSB-first/
MSB-first selection is not available.
Communication mode
0 Asynchronous mode
1 Synchronous mode
891