Table 10.12 Smr And Scr3 Settings And Clock Source Selection - Renesas H8/3847R Series Hardware Manual

Section 10 Serial Communication Interface

Table 10.12 SMR and SCR3 Settings and Clock Source Selection

SMR SCR3
bit 7 bit 1 bit 0
COM CKE1 CKE0 Mode
0 0 0
0 0 1
0 1 0
1 0 0
1 1 0
0 1 1
1 0 1
1 1 1
Rev. 6.00 Aug 04, 2006 page 376 of 680
REJ09B0145-0600
Transmit/Receive Clock
Clock Source SCK
Asynchronous Internal
mode
External
Synchronous Internal
mode
External
Reserved (Do not specify these combinations)
Pin Function
3X
I/O port (SCK pin not used)
3X
Outputs clock with same frequency as bit rate
Outputs clock with frequency 16 times bit rate
Outputs serial clock
Inputs serial clock