Z86C83 datasheet(2/46 Pages) ZILOG

2 / 46 page

Z86C83/C84

® MCU Microcontrollers

DS96DZ80203

GENERAL DESCRIPTION (Continued)

By means of an expanded register file, the designer has

access to additional control registers for configuring per-

ipheral functions including the A/D and D/A converters,

counter/timers, and I/O port functions (Figure 1).

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

conventional

descriptions

below:

Connection

Circuit

Device

Power

Ground

GND

Figure 1. Z86C83/C84 Functional Block Diagram

Notes:

** Not available on Z86C83.

† Not available on Z86C84.

Port 0

P00

P01

P02

P03†

P04†

P05†

P06†

P31

P32

P33

Port 3

256 x 8-Bit

ROM

4K x 8

Z8® Core

Internal

Address Bus

Internal Data Bus

Expanded

Counter/Timer

8-Bit (2)

Machine

Timing

and

Instruction

Control

Power

XTAL 1/2

VCC

P34

P35

P36

AC0/P20

AC1/P21

AC2/P22

AC3/P23

AC4/P24

AC5/P25

AC6/P26

AC7/P27

Port 2

Comparators

(2)

/RESET

GND

8-Channel

8-Bit A/D

**Dual

8-Bit

DAC

AVCC

AGND

VDHI **

VDL0 **

DAC1 **

DAC2 **

Z86C83 Datasheet(PDF) 2 Page - Zilog, Inc.

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