UPD78P324(A) 查看數據表（PDF） - NEC => Renesas Technology

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UPD78P324(A)

16-/8-Bit Single-Chip Microcomputers

NEC => Renesas Technology 

Type 1

IN

Type 2

IN

µPD78P324, 78P324(A)

Figure 1-1. I/O Circuits of Pins

VDD

P-ch

N-ch

Type 5

data

output

disable

input

disable

Type 8

data

output

disable

VDD

P-ch

N-ch

IN/OUT

VDD

P-ch

N-ch

IN/OUT

This is a Schmitt-triggered input which has the hysteresis

characteristic.

Type 3

VDD

P-ch

OUT

Type 9

IN

N-ch

Type 4

VDD

data

P-ch

OUT

output

disable

N-ch

This is the push-pull input which is capable of output high-

impedance (off for both P-ch and N-ch).

P-ch

N-ch

Comparator

Vref

(Threshold voltage)

input

enable

15

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