UPD78323LP datasheet(3/88 Pages) RENESAS

3 / 88 page

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

DESCRIPTION

The

µPD78324 is a 16/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The µPD78324

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

µPD78322.

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

integrated into one chip.

The

µPD78324 incorporates 32K-byte mask ROM and 1024-byte RAM.

The

µPD78323 is a ROM-less version of the µPD78324. Also, It is provided the µPD78P324 as an on-chip PROM

product.

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

µPD78322 User’s Manual : IEU-1248

FEATURES

• 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 (

µPD78312 upward compatible)

• Multiply/divide instructions (16 bits

× 16 bits, 32 bits ÷ 16 bits)

• Bit manipulation instruction

• String instruction, etc.

• On-chip high-function interrupt controller

• 3-level priority specifiable

• 3-type interrupt processing mode selectable

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

• Variety of peripheral hardware

• Realtime pulse unit

• 8-channel, 10-bit A/D converter

• Watchdog timer

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

• UART

····· 1 channel

• SBI (NEC Standard Serial Bus Interface)

• 3-wire serial I/O

APPLICATIONS

• Motor control devices

Unless there are any particular diferences, the

µPD78324 is described as the representative model in this document.

1991

DATA SHEET

µPD78323,78324

MOS INTEGRATED CIRCUIT

16/8-BIT SINGLE-CHIP MICROCONTROLLER

····· 1 channel

The mark

shows major revised points.

Document No. U10456EJ4V0DS00 (4th edition)

(Previous No. IC-2870)

Date Published November 1995 P

Printed in Japan

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