hd64338342hw Renesas Electronics Corporation., hd64338342hw Datasheet - Page 615

• Manufacturer Part Number: hd64338342hw
• Description: Renesas 8-bit Single-chip Microcomputer H8 Family/h8/300l Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

SCR1—Serial Control Register 1
Bit
Initial value
Read/Write
SNC1
R/W
7
0
Operating mode select
0
1
0
1
0
1
SNC0
R/W
6
0
8-bit synchronous mode
16-bit synchronous mode
Continuous clock output mode
Reserved
Tail mark control
0 Tail mark is not output (synchronous mode)
1 Tail mark is output (SSB mode)
LATCH TAIL select
MRKON
0 HOLD TAIL is output
1 LATCH TAIL is output
R/W
Clock source select
5
0
0 Clock source is prescaler S, SCK
1 Clock source is external clock, SCK
Clock select 2 to 0
CKS2 CKS1 CKS0
Bit 2
0
0
0
0
1
1
1
1
LTCH
R/W
4
0
Bit 1
0
0
1
1
0
0
1
1
Rev. 6.00 Aug 04, 2006 page 579 of 680
CKS3
R/W
3
0
Bit 0
0
1
0
1
0
1
0
1
Appendix B Internal I/O Registers
CKS2
Prescaler
Division
Ratio
H'A0
R/W
/1024
/256
/64
/32
/16
/8
/4
W
2
0
/4
1
CKS1
R/W
is output pin
Serial Clock Cycle
1
409.6 µs
102.4 µs
25.6 µs
12.8 µs
6.4 µs
3.2 µs
1.6 µs
122 µs
REJ09B0145-0600
1
0
is input pin
Clock Cycle
= 2.5 MHz
CKS0
R/W
0
0
SCI1