CHAPTER 11 SERIAL INTERFACE FUNCTION
394
User’s Manual U14359EJ4V0UM
(2) Clocked serial interface clock selection registers 0 to 2 (CSIC0 to CSIC2)
The CSICn register is an 8-bit register that controls the transmit operation of CSIn.
These registers can be read or written in 8-bit units.
Caution
The CSIC2 to CSIC0 registers can be overwritten when CSICAEn = 0 in the CSIMn register.
(1/2)
7
6
5
4
3
2
1
0
Address
After reset
CSIC0
0
0
0
CKP0
DAP0
CKS02
CKS01
CKS00
FFFFF901H
00H
CSIC1
0
0
0
CKP1
DAP1
CKS12
CKS11
CKS10
FFFFF911H
00H
CSIC2
0
0
0
CKP2
DAP2
CKS22
CKS21
CKS20
FFFFF921H
00H
Bit position
Bit name
Function
Clock Phase Selection Bit, Data Phase Selection Bit
Specifies the data transmission/reception timing for SCKn.
CKPn
DAPn
Operation mode
0
0
D7
D6
D5
D4
D3
D2
D1
D0
SCKn
(I/O)
SIn capture
SOn (output)
0
1
D7
D6
D5
D4
D3
D2
D1
D0
SCKn
(I/O)
SIn capture
SOn (output)
1
0
D7
D6
D5
D4
D3
D2
D1
D0
SCKn
(I/O)
SIn capture
SOn (output)
1
1
D7
D6
D5
D4
D3
D2
D1
D0
SCKn
(I/O)
SIn capture
SOn (output)
4, 3
CKPn, DAPn
(n = 0 to 2)