Datasheet > Z80195

Z80195

更新时间： 2024-01-08 10:44:39

品牌	Logo	应用领域
ZILOG		控制器
页数	文件大小	规格书
95页	482K
描述
SMART PERIPHERAL CONTROLLERS

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中文翻译

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数据手册

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Z80195 数据手册

Z80185/Z80195

P R E L I M I N A R Y

Zilog

SMART PERIPHERAL CONTROLLES

PRELIMINARY PRODUCT SPECIFICATION

Z80185/Z80195

SMART PERIPHERAL CONTROLLERS

FEATURES

■ Enhanced Z8S180 MPU

ROM

(KB)

32 x 8

UART

Speed

(MHz)

20, 33

Part

Baud Rate

512 Kbps

■ Four Z80 CTC Channels

Z80185

Z80195

■ One Channel ESCC^™Controller

■ Two 8-Bit Parallel I/O Ports

■ Bidirectional Centronics Interface (IEEE 1284)

■ Low-EMI Option

■ 100-Pin QFP Package

■ 5.0-Volt Operating Range

■ Low-Power Consumption

■ 0°C to +70°C Temperature Range

GENERAL DESCRIPTION

Seventeen lines can be configured as bidirectional

Centronics (IEEE 1284) controllers. When configured as a

1284 controller, an I/O line can operate in either the host or

peripheralroleincompatible, nibble, byteorECPmode. In

addition, the Z80185 includes 32 Kbytes of on-chip ROM.

The Z80185 and Z80195 are smart peripheral controller

devices designed for general data communications appli-

cations, and architected specifically to accommodate all

input and output (I/O) requirements for serial and parallel

connectivity. Combining a high-performance CPU core

withavarietyofsystemandI/Oresources, theZ80185/195

are useful in a broad range of applications. The Z80195 is

the ROMless version of the device.

These devices are well-suited for external modems using

aparallelinterface,protocoltranslators,andcost-effective

WAN adapters. The Z80185/195 is ideal for handling all

laser printer I/O, as well as the main processor in cost-

effective printer applications.

The Z80185 and Z80195 feature an enhanced Z8S180

microprocessor linked with one enhanced channel of the

Z85230 ESCC^™serial communications controller, and 25

bits of parallel I/O, allowing software code compatibility

with existing software code.

Notes:

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

Power connections follow conventional descriptions below:

Connection

Circuit

Device

Power

Ground

V_CC

GND

V_DD

V_SS

DS971850301

12 3 4 5 6 7...95

中文翻译

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