Table of Contents
Advertisement
SCR1—Serial control register 1
Bit
7
SNC1
Initial value
0
Read/Write
R/W
6
5
SNC0
MRKON
0
0
R/W
R/W
Clock select 2 to 0
Clock source select
0 Clock source is prescaler S, SCK
1 Clock source is external clock, SCK
LATCH TAIL select
0 HOLD TAIL is output
1 LATCH TAIL is output
Tail mark control
0 Tail mark is not output (synchronous mode)
1 Tail mark is output (SSB mode)
Operating mode select
0
0
8-bit synchronous mode
1
16-bit synchronous mode
1
0
Continuous clock output mode
1
Reserved
4
3
LTCH
CKS3
0
0
R/W
R/W
Bit 2
Bit 1
Bit 0
CKS2 CKS1 CKS0
0
0
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
0
1
1
0
1
1
1
H'A0
2
1
CKS2
CKS1
CKS0
0
0
R/W
R/W
R/W
Serial Clock Cycle
Prescaler
Clock Cycle
Division
Ratio
ø = 2.5 MHz
409.6 µs
ø/1024
102.4 µs
ø/256
25.6 µs
ø/64
12.8 µs
ø/32
6.4 µs
ø/16
3.2 µs
ø/8
1.6 µs
ø/4
50 µs or 104.2 µs
ø
/4
W
is output
1
is input
1
SCI1
0
0
435
Advertisement
Table of Contents
