CHAPTER 11 SERIAL INTERFACE FUNCTION
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User’s Manual U14359EJ4V0UM
11.3.5 Output pins
(1) SCKn pin
When CSIn operation is disabled (CSICAEn = 0), the SCKn pin output state is as follows.
CKPn
SCKn Pin Output
0
Fixed at high level
1
Fixed at low level
Remarks 1.
When the CKPn bit is overwritten, the SCKn pin output changes.
2.
n = 0 to 2
(2) SOn pin
When CSIn operation is disabled (CSICAEn = 0), the SOn pin output state is as follows.
TRMDn
DAPn
DIRn
SOn Pin Output
0
x
x
Fixed at low level
0
x
SOn latch value (low level)
0
SOTBn7 value
1
1
1
SOTBn0 value
Remarks 1.
If any of the TRMDn, DAPn, and DIRn bits is overwritten, the SOn pin output changes.
2.
n = 0 to 2
3.
x: don’t care
