HD6433935 Hitachi, HD6433935 Datasheet - Page 447

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

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
CKS3
R/W
3
0
Bit 0
0
1
0
1
0
1
0
1
CKS2
Prescaler
Division
Ratio
ø/1024
ø/256
ø/64
ø/32
ø/16
ø/8
ø/4
ø
H'A0
R/W
W
2
0
/4
1
CKS1
is output
R/W
Serial Clock Cycle
1
409.6 s
102.4 s
25.6 s
12.8 s
6.4 s
3.2 s
1.6 s
50 s or 104.2 s
1
0
is input
ø = 2.5 MHz
Clock Cycle
CKS0
R/W
0
0
SCI1
435