UPD78323 NEC, UPD78323 Datasheet

UPD78323

Manufacturer Part Number

UPD78323

Description

16/8-BIT SINGLE-CHIP MICROCONTROLLER

Manufacturer

NEC

Datasheet

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Document No. U10456EJ4V0DS00 (4th edition)

(Previous No. IC-2870)

Date Published November 1995 P

Printed in Japan

DESCRIPTION

is one of 78K/III series. The internal capacity is significantly increased compared with the conventional PD78322.

integrated into one chip.

product.

FEATURES

APPLICATIONS

Unless there are any particular diferences, the PD78324 is described as the representative model in this document.

Powerful serial interface (with an on-chip dedicated baud rate generator)

Internal 16-bit architecture and external 8-bit data bus

High-speed processing by pipeline control and instruction prefetch

• Minimum instruction execution time: 250 ns (with 16 MHz external clock in operation)

Instruction set suitable for control operations ( PD78312 upward compatible)

• Multiply/divide instructions (16 bits

• Bit manipulation instruction

• String instruction, etc.

On-chip high-function interrupt controller

• 3-level priority specifiable

• 3-type interrupt processing mode selectable

Variety of peripheral hardware

• Realtime pulse unit

• 8-channel, 10-bit A/D converter

• Watchdog timer

• UART

• SBI (NEC Standard Serial Bus Interface)

• 3-wire serial I/O

Motor control devices

The PD78324 is a 16/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The PD78324

A realtime pulse unit for realtime pulse control required in motor control, an A/D converter, a ROM, and a RAM have been

The PD78324 incorporates 32K-byte mask ROM and 1024-byte RAM.

The PD78323 is a ROM-less version of the PD78324. Also, It is provided the PD78P324 as an on-chip PROM

(Vectored interrupt function, context switching function, and macro service function)

Detailed information about product features and specifications can be found in the following document.

16/8-BIT SINGLE-CHIP MICROCONTROLLER

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

16 bits, 32 bits

PD78322 User’s Manual : IEU-1248

The mark

DATA SHEET

····· 1 channel

shows major revised points.

16 bits)

PD78323,78324

MOS INTEGRATED CIRCUIT

1991

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