UPD78014 datasheet(3/58 Pages) RENESAS

3 / 58 page

1995

DATA SHEET

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

DESCRIPTION

The

µPD78P083 is a member of the µPD78083 subseries of the 78K/0 series products. It includes an on-chip, 24-Kbyte,

one-time PROM or EPROM.

Because this device can be programmed by users, it is ideally suited for applications involving the evaluation of systems

in development stages, small-scale production of many different products, and rapid development and time-to-market of

a new product.

Caution

The

µPD78P083DU does not maintain planned reliability when used in your systems’ mass-produced

products. Please use only experimentally or for evaluation purposes during trial manufacture.

The details of functions are described in the user’s manuals. Be sure to read the following manuals before

designing.

µPD78083 Subseries User's Manual

: IEU-1407

78K/0 Series User's Manual — Instructions

: IEU-1372

FEATURES

• Pin-compatible with mask ROM version (except VPP pin)

• Internal PROM: 24 Kbytes Note

•

µPD78P083DU: Reprogrammable (ideally suited for system evaluation)

•

µPD78P083CU, µPD78P083GB: One-time programmable (ideally suited for small-scale production)

• Internal high-speed RAM: 512 bytes Note

• Can be operated in the same supply voltage as the mask ROM version (VDD = 1.8 to 5.5 V)

• Corresponding to QTOPTM Microcontrollers

Note The internal PROM and internal high-speed RAM capacities can be changed by setting the internal memory size

switching register (IMS).

Remark

QTOP microcontroller is a general term for microcontrollers which incorporate one-time PROM and are totally

supported by NEC's programming service (from programming to marking, screening and verification).

Differs from the mask ROM version in the following points

The same memory mapping as the mask ROM version is enabled by setting the internal memory size switching

In this document, the term PROM is used in parts common to one-time PROM versions and EPROM versions.

µPD78P083

MOS INTEGRATED CIRCUIT

8-BIT SINGLE-CHIP MICROCONTROLLER

Document No. U11006EJ1V0DS00 (1st edition)

(Previous No. IP-3556)

Date Published June 1996 P

Printed in Japan

The mark

shows major revised points.

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