Datasheet

Table Of Contents
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 382 of 692
REJ09B0309-0200
Table 17.11 SMR and SCR Settings and Clock Source Selection
SMR SCR
Bit 7 Bit 1 Bit 0 Transmit/Receive Clock
COM CKE1 CKE0
Mode
Clock Source SCK Pin Function
0 I/O port pins (pins are not
assigned to the SCK31 or
SCK32 functions)
0
1
Internal
Output for clock with same
frequency as bit rate
0
1 0
Asynchronous
mode
External Input for clock with frequency 16
times bit rate*
0 0 Internal Output for serial clock 1
1 0
Clock synchronous
mode
External Input for serial clock
0 1 1
1 0 1
1 1 1
Reserved (Do not specify these combinations)
Note: The input clock may have a frequency 8 times the bit rate when the ABCS bit in SEMR is
set to 1 (only supported for SCI3_1).