Datasheet

Section 12 Serial Communication Interface (SCI)
Rev.7.00 Feb. 14, 2007 page 461 of 1108
REJ09B0089-0700
Table 12.8 SMR Settings and Serial Transfer Format Selection
SMR Settings SCI Transfer Format
Bit 7 Bit 6 Bit 2 Bit 5 Bit 3
C/A CHR MP PE STOP Mode
Data
Length
Multi-
processor
Bit
Parity
Bit
Stop Bit
Length
0 0 0 0 0 8-bit data No No 1 bit
1
Asynchronous
mode
2 bits
1 0 Yes 1 bit
1 2 bits
1 0 0 7-bit data No 1 bit
1 2 bits
1 0 Yes 1 bit
1 2 bits
0 1 — 0 8-bit data Yes No 1 bit
— 1 2 bits
1 — 0 7-bit data 1 bit
— 1
Asynchronous
mode (multi-
processor
format)
2 bits
1 — — — — Synchronous mode 8-bit data No None
Table 12.9 SMR and SCR Settings and SCI Clock Source Selection
SMR SCR Settings SCI Transmit/Receive Clock
Bit 7 Bit 1 Bit 0
C/A CKE1 CKE0 Mode
Clock
Source
SCK Pin Function
0 0 0 Internal SCI does not use SCK pin
1
Asynchronous
mode
Outputs clock with same frequency as bit
rate
1 0 External
1
Inputs clock with frequency of 16 times
the bit rate
1 0 0 Internal Outputs serial clock
1
1 0
Synchronous
mode
External Inputs serial clock
1