Datasheet > Z80182

Z80182

更新时间： 2022-12-08 22:56:52

品牌	Logo	应用领域
ZILOG		控制器
页数	文件大小	规格书
109页	734K
描述
ZILOG INTELLIGENT PERIPHERAL CONTROLLER (ZIP⑩)

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Z80182 数据手册

Z80182/Z8L182

Zilog

ZILOG INTELLIGENT PERIPHERAL

P R E L I M I N A R Y

PRELIMINARY PRODUCT SPECIFICATION

Z80182/Z8L182

ZILOG INTELLIGENT PERIPHERAL

CONTROLLER (ZIP^™)

FEATURES

■ Z8S180 MPU

■ Two ESCC^™Channels with 32-Bit CRC

■ Three 8-Bit Parallel I/O Ports

- Code Compatible with Zilog Z80^®/Z180^™CPU

- Extended Instructions

- Operating Frequency: 33 MHz/5V or 20 MHz/3.3V

- Two DMA Channels

■ 16550 Compatible MIMIC Interface for

- On-Chip Wait State Generators

- Two UART Channels

Direct Connection to PC, XT, AT Bus

- Two 16-Bit Timer Counters

- On-Chip Interrupt Controller

- On-Chip Clock Oscillator/Generator

- Clocked Serial I/O Port

■ 100-Pin Package Styles (QFP, VQFP)

(0.8 Micron CMOS 5120 Technology)

■ Individual WSG for RAMCS and ROMCS

- Fully Static

- Low EMI Option

GENERAL DESCRIPTION

The Z80182/Z8L182 is a smart peripheral controller IC for

modem (in particular V. Fast applications), fax, voice

messaging and other communications applications. It

uses the Z80180 microprocessor (Z8S180 MPU core)

linked with two channels of the industry standard Z85230

ESCC (Enhanced Serial Communications Controller), 24

bitsofparallelI/O,anda16550MIMICfordirectconnection

to the IBM PC, XT, AT bus.

errorcorrectiononoutgoingandincomingdata.Inexternal

applications, three 8-bit parallel ports are available for

drivingLEDsorotherdevices. Figure1showstheZ80182/

Z8L182 block diagram, while the pin assignments for the

QFP and the VQFP packages are shown in Figures 2 and

3, respectively. All references in this document to the

Z80182, or Z182 refer to both the Z80182 and Z8L182.

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).

The Z80182/Z8L182 allows complete flexibility for both

internal PC and external applications. Also current PC

modem software compatibility can be maintained with the

Z80182/Z8L182 ability to mimic the 16550 UART chip. The

Z80180 acts as an interface between the ESCC^™and

16550 MIMIC interface when used in internal applications,

and between the two ESCC channels in the external

applications. This interface allows data compression and

Power connections follow conventional descriptions below:

Connection

Circuit

Device

Power

Ground

V_CC

GND

V_DD

V_SS

DS971820600

3-1

12 3 4 5 6 7...109

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