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Z86C91 - Microcomputer

General Description

The Z86C91 is a CMOS ROM less version of the Z8 single-chip microcomputer.

Key Features

  • [J Complete microcomputer, 24 I/O lines, and up to 64K bytes of addressable external space each for program and data rnernory. l!lI 256-byte register file, including 236 general-purpose registers, 3 I/O port registers, and 16 status and control registers. Cl Vectored, priority interrupts for I/O, counter/tirners, and UART. l:J On-chip oscillator that accepts crystal or external clock drive.

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Datasheet Details

Part number Z86C91
Manufacturer Zilog
File Size 1.09 MB
Description Microcomputer
Datasheet download datasheet Z86C91 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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November 1987 FEATURES [J Complete microcomputer, 24 I/O lines, and up to 64K bytes of addressable external space each for program and data rnernory. l!lI 256-byte register file, including 236 general-purpose registers, 3 I/O port registers, and 16 status and control registers. Cl Vectored, priority interrupts for I/O, counter/tirners, and UART. l:J On-chip oscillator that accepts crystal or external clock drive. GENERAL DESCRIPTION The Z86C91 is a CMOS ROM less version of the Z8 single-chip microcomputer. It offers all the outstanding features of the Z8 family architecture except an on-chip program ROM.