HD6473032F16 Datasheet, PDF (493/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 13 Serial Communication Interface
Table 13.8 SMR Settings and Serial Communication Formats
SMR Settings
Bit 7: Bit 6: Bit 2: Bit 5: Bit 3:
C/A CHR MP PE STOP Mode
0
0
0
0
0
1
Asynchronous
mode
1
0
1
1
0
0
1
1
0
1
0
1
—0
1
1
0
1
Asynchronous
mode (multi-
processor
format)
1
————
Synchronous
mode
SCI Communication Format
Data
Length
Multi-
processor Parity
Bit
Bit
Stop
Bit
Length
8-bit data Absent
Absent 1 bit
2 bits
Present 1 bit
2 bits
7-bit data
Absent 1 bit
2 bits
Present 1 bit
2 bits
8-bit data Present Absent 1 bit
2 bits
7-bit data
1 bit
2 bits
8-bit data Absent
None
Table 13.9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7:
C/A
0
1
SCR Settings
Bit 1: Bit 0:
CKE1 CKE0
0
0
1
1
0
1
0
0
1
1
0
1
Mode
Asynchronous
mode
Synchronous
mode
SCI Transmit/Receive Clock
Clock
Source SCK Pin Function
Internal SCI does not use the SCK pin
Outputs a clock with frequency
matching the bit rate
External Inputs a clock with frequency 16
times the bit rate
Internal Outputs the serial clock
External Inputs the serial clock
Rev. 3.00 Mar 21, 2006 page 463 of 814
REJ09B0302-0300