Z86K14 datasheet(2/24 Pages) ZILOG

Part #	Z86K14

Description	CMOS Z8 8-Bit MCU Keyboard Controllers

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	ZILOG [Zilog, Inc.]

Direct Link	http://www.zilog.com

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2 / 24 page

Z86K13/K14/K15/K16/K17/K18

CMOS Z8® 8-Bit MCU Keyboard Controllers

Zilog

P R E L I M I N A R Y

DS97KEY0204

GENERAL DESCRIPTION (Continued)

Notes: All signals with a preceding front slash, “/”, are

active Low. For example, B//W (WORD is active Low);

/B/W (BYTE is active Low, only). Power connections follow

conventional descriptions below:

Connection

Circuit

Device

Power

Ground

GND

Figure 1. Z86KXX Functional Block Diagram

Port 3

Interrupt

Control

Port 2

I/O

(Bit Programmable)

ALU

Flags

Pointer

Machine

Timing & Inst.

Control

Program

Counter

GND

Output Input

Port 0

Port 1

Open-Drain

Output

Open-Drain

Output

WDT

POR

Input

Counter/

Timers

USB SIE

and Trans

208 x 8-Bytes

Program

Memory

4 KB ROM

VCC

D+

D-

3.3 V

VCC

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