Z80181 datasheet(1/74 Pages) ZILOG

Part #	Z80181

Description	SMART ACCESS CONTROLLER (SAC??

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Manufacturer	ZILOG [Zilog, Inc.]

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Zilog

DS971800500

Z80181

SMART ACCESS CONTROLLER SAC™

PRELIMINARY PRODUCT SPECIFICATION

FEATURES

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Z80180 Compatible MPU Core with 1 Channel of

Z85C30 SCC, Z80 CTC, Two 8-Bit General-Purpose

Parallel Ports, and Two Chip Select Signals.

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High Speed Operation (10 MHz)

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Low Power Consumption in Two Operating Modes:

- (TBD) mA Typ. (Run Mode)

- (TBD) mA Typ. (STOP Mode)

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Wide Operational Voltage Range (5V

±10%)

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TTL/CMOS Compatible

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Clock Generator

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One Channel of Z85C30 Serial Communication

Controller (SCC)

Z80181

SMART ACCESS CONTROLLER (SAC™)

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Z180 Compatible MPU Core Includes:

- Enhanced Z80 CPU Core

- Memory Management Unit (MMU) Enables Access

to 1MB of Memory

- Two Asynchronous Channels

- Two DMA Channels

- Two 16-Bit Timers

- Clocked Serial I/O Port

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On-Board Z84C30 CTC

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Two 8-Bit General-Purpose Parallel Ports

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Memory Configurable RAM and ROM Chip Select Pins

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100-Pin QFP Package

GENERAL DESCRIPTION

The Z80181 SAC™ Smart Access Controller (hereinafter,

referred to as Z181 SAC) is a sophisticated 8-bit CMOS

microprocessor that combines a Z180-compatible MPU

(Z181 MPU), one channel of Z85C30 Serial Communica-

tion Controller (SCC), a Z80 CTC, two 8-bit general-pur-

pose parallel ports, and two chip select signals, into a

single 100-pin Quad Flat Pack (QFP) package (Figures 1

and 2). Created using Zilog's patented Superintegration™

methodology of combining proprietary IC cores and cells,

this high-end intelligent peripheral controller is well-suited

for a broad range of intelligent communication control

applications such as terminals, printers, modems, and

slave communication processors for 8-, 16- and 32- bit

MPU based systems.

Information on enhancement/cost reductions of existing

hardware using Z80/Z180 with Z8530/Z85C30 applica-

tions is also included in this product specification.

Notes:

All Signals with a preceding front slash, "/", are active Low, e.g.,

B//W (WORD is active Low); /B/W (BYTE is active Low, only).

Power connections follow conventional descriptions below:

Connection

Circuit

Device

Power

V

CC

V

DD

Ground

GND

V

SS

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