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4.5 Settings of Port Mode Register and Output Latch When Using Alternate Function
To use the alternate function of a port pin, set the port mode register and output latch as shown in Table 4-5.
Table 4-5. Settings of Port Mode Register and Output Latch When Using Alternate Function (1/2)
Pin Name
P00
TI00
P01
TO00
P02
SO10
TxD1
P03
SI10
RxD1
SDA10
P04
SCK10
SCL10
P05
TI05
TO05
P06
TI06
TO06
P10
SCK00
P11
SI00
RxD0
P12
SO00
TxD0
P13
TxD3
P14
RxD3
P15
RTCDIV
RTCCL
P16
TI01
TO01
INTP5
P17
TI02
TO02
Remark ×:
don't care
PM××: Port mode register
P××:
Port output latch
136
CHAPTER 4 PORT FUNCTIONS
Alternate Function
Function Name
User's Manual U17854EJ9V0UD
PM××
I/O
Input
1
Output
0
Output
0
Output
0
Input
1
Input
1
I/O
0
Input
1
Output
0
I/O
0
Input
1
Output
0
Input
1
Output
0
Input
1
Output
0
Input
1
Input
1
Output
0
Output
0
Output
0
Input
1
Output
0
Output
0
Input
1
Output
0
Input
1
Input
1
Output
0
P××
×
0
1
1
×
×
1
×
1
1
×
0
×
0
×
1
×
×
1
1
1
×
0
0
×
0
×
×
0
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