3069RF-ZTAT Datasheet, PDF (923/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

SMR—Serial Mode Register
Bit
7
C/)
Initial value
0
Read/Write R/W
6
5
CHR
PE
0
0
R/W
R/W
H'FFFB0
SCI0
4
3
2
O/-
STOP
MP
1
CKS1
0
CKS0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Clock select 1 and 0
Bit 1 Bit 0
Clock Source
CKS1 CKS0
0 φ clock
0
1 φ/4 clock
0 φ/16 clock
1
1 φ/64 clock
Multiprocessor mode
0 Multiprocessor function disabled
1 Multiprocessor format selected
Stop bit length
0 One stop bit
1 Two stop bits
Parity mode
0 Even parity
1 Odd parity
Parity enable
0 Parity bit is not added or checked
1 Parity bit is added and checked
Character length
0 8-bit data
1 7-bit data
Communication mode (for serial communication interface)
0 Asynchronous mode
1 Synchronous mode
GSM mode (for smart card interface)
0 TEND flag is set 12.5 etu* after start bit
1 TEND flag is set 11.0 etu* after start bit
Note: * etu: Elementary time unit (time required to transmit one bit)
Rev. 5.0, 09/04, page 901 of 978