CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U15195EJ5V0UD
481
7
0
CSIC0
6
0
5
0
4
CKP
3
DAP
2
CKS2
1
CKS1
0
CKS0
7
0
6
0
5
0
4
CKP
3
DAP
2
CKS2
1
CKS1
0
CKS0
Address
FFFFF901H
After reset
00H
CSIC1
Address
FFFFF911H
After reset
00H
Bit position
Bit name
Function
Specifies operation mode.
CKP DAP
Operation
mode
0 0
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7
SOn (output)
SCKn (I/O)
SIn (input)
DI6
DI5
DI4
DI3
DI2
DI1
DI0
0 1
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
SOn (output)
SCKn (I/O)
SIn (input)
1 0
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
SOn (output)
SCKn (I/O)
SIn (input)
1 1
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
SOn (output)
SCKn (I/O)
SIn (input)
4, 3
CKP, DAP
Remark
n = 0, 1
Specifies serial clock.
CKS2 CKS1 CKS0
Serial
clock
Mode
0 0 0
f
XX
/2
7
Master
mode
0 0 1
f
XX
/2
6
Master
mode
0 1 0
f
XX
/2
5
Master
mode
0 1 1
f
XX
/2
4
Master
mode
1 0 0
f
XX
/2
3
Master
mode
1 0 1
f
XX
/2
2
Master
mode
1
1
0
Clock generated by BRG3
Master mode
1
1
1
External clock (SCKn)
Slave mode
2 to 0
CKS2 to
CKS0
Remark
f
XX
: Internal system clock frequency
n = 0, 1