Datasheet

Section 10 Serial Communication Interface

Rev. 6.00 Aug 04, 2006 page 376 of 680

REJ09B0145-0600

Table 10.12 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

Pin Function

0 0 0 Asynchronous Internal I/O port (SCK

pin not used)

001

mode

Outputs clock with same frequency as bit rate

0 1 0 External Outputs clock with frequency 16 times bit rate

1 0 0 Synchronous Internal Outputs serial clock

110

mode

External Inputs serial clock

0 1 1 Reserved (Do not specify these combinations)

101

111