µPD7554A, 7554A(A)
1.3 PIN MASK OPTION
Each pin is provided with the following mask options which can be selected for each bit according to the purpose:
Pin Name
Mask Options
5
P00
No internally provided resistor
Pull-up resistor internally provided
Pull-down resistor internally provided
P01
No internally provided resistor
Pull-up resistor internally provided
Pull-down resistor internally provided
P02
No internally provided resistor
Pull-up resistor internally provided
Pull-down resistor internally provided
P03
No internally provided resistor
Pull-up resistor internally provided
Pull-down resistor internally provided
P80
N-channel open-drain output
CMOS (push-pull) output
P81
N-channel open-drain output
CMOS (push-pull) output
P82
N-channel open-drain output
CMOS (push-pull) output
P83/CL2
Used as CL2 or P83N-ch open-drain output pin. Used as P83 pin (push-pull output).
P100
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P101
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P102
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P103
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P110
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P111
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P112
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
P113
N-channel open-drain I/O
Push-pull I/O
N-channel open-drain + I/O with pull-up resistor internally provided
System clockNote RC oscillation
External clock
RESET
Pull-down resistor is not internally provided
Pull-down resistor is internally provided
Note When using RC oscillation, switch the P83/CL2 pin to the CL2 pin.
There is no mask option for PROM products. For more information, see the µPD75P54 Data Sheet (IC-2830).
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