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Chapter 13
Serial Interface Function
Preliminary User’s Manual U15839EE1V0UM00
13.3.5 Output
pins
(1)
SCK0n pin
When the CSI0n operation is disabled (CSIE bit of CSIMn register = 0), the SCK0n pin output
status is as follows (n = 0 to 2).
Remarks: 1. n = 0 to 2
2. When any of bits CKP and CKS2 to CKS0 of the CSICn register is overwritten, the
SCK0n pin output changes.
(2)
SO0n pin
When the CSI0n operation is disabled (CSIE bit of CSIMn register = 0), the SO0n pin output status
is as follows (n = 0 to 2).
Remarks: 1. When any of bits TRMD, CCL, DIR, AUTO, and CSICn of the CSIMn register or DAP bit
of the CSICn register is overwritten, the SO0n pin output changes.
2. SOTBm: Bit m of SOTBn register (m = 0, 7, 15)
3. SOTBFm: Bit m of SOTBFn register (m = 0, 7, 15)
4. n = 0 to 2
CKP
CKS2
CKS1
CKS0
SCK0n
Pin Output
0
Don’t care
Don’t care
Don’t care
Fixed to high level
1
1
1
1
Fixed to high level
Other than above
Fixed to low level
TRMD
DAP
AUTO
CCL
DIR
SO0n Pin Output
0
Don’t care
Don’t care
Don’t care
Don’t care
Fixed at low level
1
0
Don’t care
Don’t care
Don’t care
SO latch value (low level)
1
0
0
0
SOTB7 value
1
SOTB0 value
1
0
SOTB15 value
1
SOTB0 value
1
0
0
SOTBF7 value
1
SOTBF0 value
1
0
SOTBF15 value
1
SOTBF0 value
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