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| HD6433802H Datasheet, PDF (155/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer | |||
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8.2.3 Pin Functions
Table 8.3 shows the port 3 pin functions.
Table 8.3 Port 3 Pin Functions
Pin
P37/AEVL
Pin Functions and Selection Method
The pin function depends on bit AEVL in PMR3 and bit PCR32 in PCR3.
AEVL
0
1
PCR37
Pin function
0
P37 input pin
1
P37 output pin
*
AEVL input pin
P36/AEVH
The pin function depends on bit AEVH in PMR3 and bit PCR36 in PCR3.
AEVH
0
1
PCR36
Pin function
0
P36 input pin
1
P36 output pin
*
AEVH input pin
P35 to P33
P32/TMOFH
The pin function depends on the corresponding bit in PCR3.
PCR3n
0
1
Pin function
P3n input pin
P3n output pin
(n = 5 to 3)
The pin function depends on bit TMOFH in PMR3 and bit PCR32 in PCR3.
TMOFH
0
1
PCR32
Pin function
0
P32 input pin
1
P32 output pin
*
TMOFH output pin
P31/TMOFL
The pin function depends on bit TMOFL in PMR3 and bit PCR31 in PCR3.
TMOFL
0
1
PCR31
Pin function
0
P31 input pin
1
P31 output pin
*
THOFL output pin
*: Donât care
137
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