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| HD6433802H Datasheet, PDF (181/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer | |||
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8.9.3 Pin Functions
Table 8.24 shows the port A pin functions.
Table 8.24 Port A Pin Functions
Pin
PA3/COM4
Pin Functions and Selection Method
The pin function depends on bit PCRA3 in PCRA and bits SGS3 to SGS0.
SEGS3 to SEGS0
0000
0000
Not 0000
PCRA3
Pin function
0
PA3 input pin
1
PA3 output pin
*
COM4 output pin
PA2/COM3
The pin function depends on bit PCRA2 in PCRA and bits SGS3 to SGS0.
SEGS3 to SEGS0
0000
0000
Not 0000
PCRA2
Pin function
0
PA2 input pin
1
PA2 output pin
*
COM3 output pin
PA1/COM2
The pin function depends on bit PCRA1 in PCRA and bits SGS3 to SGS0.
SEGS3 to SEGS0
0000
0000
Not 0000
PCRA1
Pin function
0
PA1 input pin
1
PA1 output pin
*
COM2 output pin
PA0/COM1
The pin function depends on bit PCRA0 in PCRA and bits SGS3 to SGS0.
SEGS3 to SEGS0
0000
Not 0000
PCRA0
Pin function
0
PA0 input pin
1
PA0 output pin
*
COM1 output pin
*: Donât care
163
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