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| HD6433802H Datasheet, PDF (185/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer | |||
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8.10.3 Pin Functions
Table 8.27 shows the port B pin functions.
Table 8.27 Port B Pin Functions
Pin
PB3/AN3/IRQ1
Pin Functions and Selection Method
The pin function depends on bits CH3 to CH0 in AMR and bit IRQ1 in PMRB.
IRQ1
0
1
CH3 to CH0
Not 0111
1
*
Pin function
PB3 input pin
AN3 input pin
IRQ1 input pin
PB2/AN2
The pin function depends on bits CH3 to CH0 in AMR.
CH3 to CH0
Not 0110
Pin function
PB2 input pin
0110
AN2 input pin
PB1/AN1
The pin function depends on bits CH3 to CH0 in AMR.
CH3 to CH0
Not 0101
Pin function
PB1 input pin
Not 0000
AN1 input pin
PB0/AN0
The pin function depends on bits CH3 to CH0 in AMR.
CH3 to CH0
Not 0100
Pin function
PB0 input pin
0100
AN0 input pin
*: Donât care
167
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