Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 4.00 Jun 06, 2006 page 418 of 1004
REJ09B0301-0400
Table 15.8 SMR Settings and Serial Transfer Format Selection
SMR Settings SCI Transfer Format
Bit 7 Bit 6 Bit 2 Bit 5 Bit 3
C/A
AA
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
12 bits
10 Yes1 bit
12 bits
1 0 0 7-bit data No 1 bit
12 bits
10 Yes1 bit
1
Asynchronous
mode
2 bits
01— 0 8-bit data Yes No 1 bit
— 12 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 15.9 SMR and SCR Settings and SCI Clock Source Selection
SMR SCR Setting SCI Transfer Clock
Bit 7 Bit 1 Bit 0
C/A
AA
A CKE1 CKE0 Mode
Clock
Source
SCK Pin Function
0 0 0 Internal SCI does not use SCK pin
1 Outputs clock with same frequency as bit
rate
10 External
1
Asynchronous
mode
Inputs clock with frequency of 16 times
the bit rate
1 0 0 Internal Outputs serial clock
1
1 0 External Inputs serial clock
1
Synchronous
mode