Z801806PSC Просмотр технического описания (PDF) - Zilog

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Z801806PSC

Microprocessor Unit

Zilog 

Z80180

Microprocessor Unit

2

channels. Also included on-chip are wait-state generators, a clock oscillator, and an interrupt

controller.

The Z80180™ is housed in 80-pin QFP, 68-pin PLCC, and 64-pin DIP packages.

Note: All signals with an overline are active Low. For example, B/W, in which WORD is

active Low); and B/W, in which BYTE is active Low.

Power connections follow conventional descriptions as listed in Table 1.

Table 1. Power Connection Conventions

Connection

Power

Ground

Circuit

VCC

GND

Device

VDD

VSS

16-Bit

Address Bus

Processor

Power Controller

8-Bit

Data Bus

MMU

DMACs (2)

A

B

Decode

B

Clocked

Serial I/O

16-Bit Programmable

Reload Timers (2)

UARTs (2)

Figure 1. Z80180 Functional Block Diagram

TXA1–0

RXA1–0

PS014004-1106

Overview

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