Datasheet

Section 10 Serial Communication Interface
Rev. 8.00 Mar. 09, 2010 Page 359 of 658
REJ09B0042-0800
Table 10.8 SMR Settings and Corresponding Data Transfer Formats
SMR Data Transfer Format
Bit 7
COM
Bit 6
CHR
Bit 2
MP
Bit 5
PE
Bit 3
STOP Mode Data Length Parity Bit
Stop Bit
Length
0 0 0 0 0 8-bit data No 1 bit
1 2 bits
1 0
Asynchronous
mode
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 0
1
Setting prohibited
1 0 5-bit data No 1 bit
1
Asynchronous
mode
2 bits
1 0 0
1
Setting prohibited
1 0 5-bit data Yes 1 bit
1
Asynchronous
mode
2 bits
1 * 0 * *
Synchronous
mode
8-bit data No No
*: Don’t care
Table 10.9 SMR and SCR3 Settings and Clock Source Selection
SMR SCR3
Bit 7 Bit 1 Bit 0 Transmit/Receive Clock
COM CKE1 CKE0 Mode Clock Source SCK
32
Pin Function
0 0 0 Internal I/O port (SCK
32
pin not used)
1
Asynchronous
mode
Outputs clock with same frequency as bit rate
1 0 External Inputs clock with frequency 16 times bit rate
1 0 0 Internal Outputs serial clock
1 0
Synchronous
mode
External Inputs serial clock
0 1 1 Reserved (Do not specify these combinations)
1 0 1
1 1 1