UPD75112GF-XXX-3BE View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75112GF-XXX-3BE

4-Bit Single Chip-Microcomputer

NEC => Renesas Technology 

3.3 Pin Input/Output Circuits

µPD75116(A) pin input/output crcuit are shown in sche-

matic form.

Figure 3-1 Pin Input/Output Circuits

Type A

VDD

P-ch

IN

N-ch

Type F

µPD75112(A), 75116(A)

data

output

disable

Type D

Type B

IN/OUT

CMOS specified input buffer

Type B

IN

Schmitt triggered-input with hysteresis characteristics

Type D

data

output

disable

VDD

P-ch

N-ch

OUT

Input/output circuit consisting of a Type D push-pull output

and a Type B Schmitt-triggered input.

Type M

VDD

Pull-Up Register (Mask Option)

IN/OUT

data

output

disable

N-ch (+6 V

Withstand)

Middle-High Voltage Input Buffer (+6 V Withstand)

Push-pull output which can be set at output high impedance

(with both P-ch an N-ch set to OFF)

Type E

data

output

disable

Type D

IN/OUT

Type N

Comparator

IN

+

–

Type A

Input/output circuit consisting of a Type D push-pull output

and a Type A input buffer

VREF (Threshold Voltage)

9

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