UPD78044F datasheet(1/58 Pages) NEC

Part #	UPD78044F

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

PDF	58 Pages

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Manufacturer	NEC [NEC]

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8-BIT SINGLE-CHIP MICROCOMPUTER

MOS INTEGRATED CIRCUIT

DATA SHEET

µPD78044H, 78045H, 78046H

Document No. U10865EJ1V0DS00 (1st edition)

Date Published August 1996 P

Printed in Japan

The

µPD78044H, µPD78045H, and µPD78046H are µPD78044H sub-series products in the 78K/0 series.

These microcomputers are advanced models of the

µPD78044A sub-series, featuring the added N-ch open-drain

I/O ports.

In addition, the

µPD78P048B (one-time PROM or EPROM model) that can operate in the same voltage range as

that of the mask ROM models, and various development tools are provided.

The functions of these microcomputers are described in detail in the following User’s Manual. Be sure

to read this manual when you design a system using any of these microcomputers.

µPD78044H Sub-Series User’s Manual : To be created

78K/0 Series User's Manual, Instruction: IEU-1372

FEATURES

• I/O ports: 68 (N-ch open-drain I/O: 13)

• High-capacity ROM and RAM

Data memory

FIP display RAM

48 bytes

• Serial interface: 1 channel

• Timer: 5 channels

• Power supply voltage: VDD = 2.7 to 5.5 V

APPLICATIONS

VCRs, audio systems, etc.

ORDERING INFORMATION

Part number

Package

µPD78044HGF-×××-3B9

80-pin plastic QFP (14

× 20 mm)

µPD78045HGF-×××-3B9

80-pin plastic QFP (14

× 20 mm)

µPD78046HGF-×××-3B9

80-pin plastic QFP (14

× 20 mm)

Remark

××× indicates ROM code number.

• Wide range of instruction execution time:

From high-speed (0.4

µs) to ultra low-speed (122 µs)

• FIP controller/driver: total display outputs: 34

• 8-bit resolution A/D converter: 8 channels

µPD78044H

µPD78045H

µPD78046H

32K bytes

40K bytes

48K bytes

1024 bytes

Internal high-speed RAM

Program memory

(ROM)

Product name

Item

The information in this document is subject to change without notice.

The mark 5 shows major revised points.

©

1990

1996

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