Zilog Z8PE002 Manuel d'utilisateur télécharger pdf (Page 2)

Z8PE002

Z8Plus OTP Microcontroller

ZiLOG

2 P R E L I M I N A R Y DS008700-Z8X0799

GENERAL DESCRIPTION

(Continued)

Both the 8-bit and 16-bit on-chip timers, with several user-

selectable modes, administer real-time tasks such as count-

ing/timing and I/O data communications.

Note:

All signals with an overline are active Low. For exam-

ple, B/

, in which WORD is active Low;

and B

/W, in

which BYTE is active Low.

Power connections follow conventional descriptions

below:

Connection Circuit Device

Power V

Ground GND V

Figure 1. Functional Block Diagram

Two 8-Bit Timers

or One 16-Bit

PWM Timer

One 16-Bit

Standard Timer

Interrupt

Control

One Analog

Comparator

Port A

I/O

ALU

FLAGS

WDT

Pointer

RAM

Machine

Timing

OTP Program

Memory

Program

Counter

GND

XTAL

Port B

POR &

I/O

1 2 3 4 5 6 7 ... 47 48

RELIMINARY 1
PECIFICATION 1
GENERAL DESCRIPTION 2
(Continued) 2
PIN DESCRIPTION 4
DIP/SOIC 5
ABSOLUTE MAXIMUM RATINGS 8
STANDARD TEST CONDITIONS 9
CAPACITANCE 9
= 25ºC, V 9
DC ELECTRICAL CHARACTERISTICS 10
AC ELECTRICAL CHARACTERISTICS 14
Z8PLUS CORE 15
RESET (Continued) 16
Watch-Dog Timer 17
Internal Interrupt Sources 18
INTERRUPT SOURCES 18
External Interrupt Sources 18
Undetermined 19
IREQ bit 20
WATCH-DOG TIMER 21
POWER-DOWN MODES 22
HALT MODE OPERATION 22
STOP MODE OPERATION 23
OSCILLATOR OPERATION 25
LC OSCILLATOR 28
8-bit Standard Timer 29
TIMERS (Continued) 30
READ/WRITE OPERATIONS 34
PORT A REGISTER DIAGRAMS 35
Port B Description 36
PORT B—PIN 0 CONFIGURATION 37
PORT B—PIN 1 CONFIGURATION 38
PORT B—PIN 2 CONFIGURATION 39
PORT B CONTROL REGISTERS 41
INPUT PROTECTION 45
PACKAGE INFORMATION 46
ORDERING INFORMATION 48

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Zilog Z8PE002 Manuel d'utilisateur Page 2

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