HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 442

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

SMR—Serial mode register
438
Bit
Initial value
Read/Write
COM
R/W
Communication mode
0
1
7
0
Asynchronous mode
Synchronous mode
CHR
R/W
Character length
0
1
6
0
8-bit data
7-bit data
Parity enable
R/W
PE
0
1
5
0
Parity bit addition and checking disabled
Parity bit addition and checking enabled
R/W
Parity mode
PM
0
1
4
0
Even parity
Odd parity
Stop bit length
0
1
STOP
R/W
1 stop bit
2 stop bits
3
0
Multiprocessor mode
0
1
H'FFA8
Multiprocessor communication
function disabled
Multiprocessor communication
function enabled
R/W
MP
2
0
Clock select
CKS1
0 0
1
R/W
1
0
1
0
1
ø clock
ø/4 clock
ø/16 clock
ø/64 clock
CKS0
R/W
0
0
SCI3