Z8FS021 datasheet(23/68 Pages) ZILOG

23 / 68 page

PS028806-0315

Peripherals

ZMOTION® Intrusion Detection

Product Specification

Watchdog Timer

No changes or limitations are placed on WDT functions by the PIR Engine; the WDT is

available to the user application.

Comparator

20-Pin Device All external Timer 0 functions are available for the

user application.

28-Pin Device All external Timer 0 functions are available for the

user application.

Timer 1

8-Pin Device

T1IN is configured as ANA2 to support the signal

input from the pyroelectric sensor and is not available

to the user application. All other Timer 1 functions are

available.

20-Pin Device All external Timer 1 functions are available for the

user application.

28-Pin Device All external Timer 1 functions are available for the

user application.

8-Pin Device

The external pin that carries COUT is configured as

ANA2 to support the signal input from the Pyroelectric

sensor. However, the Comparator is still able to

generate an interrupt internally without COUT.

20-Pin Device All external Comparator functions are available for

the user application.

28-Pin Device All external Comparator functions are available for

the user application.

Z8FS021 数据表(PDF) 23 Page - Zilog, Inc.