Z8FS040 datasheet(16/56 Pages) ZILOG

16 / 56 page

ZMOTION

TM Detection and Control Family

Product Specification

PS028506-1110

PRELIMINARY

Peripherals

The following sections describe the differences, changes, or limitations placed on any of the Z8FS040

peripherals or other functions from the base Z8F082A device. For more information on the operation

of each peripheral please refer to the appropriate section of PS0228.

Peripheral Availability

Table 4 - Peripheral Availability shows how the peripherals are used by Zilog’s PIR technology and

the differences from the base Z8F082A device. The peripherals used by the PIR technology should

not be used by the application unless the engine is disabled through the PIR Engine Enable register.

Device

Z8FS040xSB20EG

Z8FS040xHH20EG

Z8FS040xHJ20EG

Base MCU Device

Z8F082ASB020EG

Z8F082AHH020EG

Z8F082AHJ020EG

Pins/Package

8 pin SOIC

20 Pin SSOP

28 Pin SSOP

ADC

ANA2 used for PIR sensor

input.

ANA3 is used for second

sensor input in dual pyro

mode.

ANA2 used for PIR sensor

input.

ANA3 connected to

ANA6/VREF.

ANA3 is used for second

sensor input and ANA6

becomes available in Dual

Pyro Mode.

ANA2 used for PIR sensor

input.

ANA3 connected to VREF.

ANA3 is used for second

sensor in Dual Pyro Mode

VREF

Internal VREF used by the

PIR engine and set to 1 V.

Internal VREF used by the

PIR engine and set to 1 V.

Internal VREF used by the

PIR engine and set to 1 V.

Timer 0

Available to application

Timer 1

Available to application

GP I/O

PA3/PA1 are multiplexed

with ANA2/ANA3 and used

for PIR sensor input (ANA2

for single pyro mode and

ANA2/ANA3 for dual pyro

mode).

PB2, PB3 & PC2 used for

PIR functions.

In dual pyro mode PC2

becomes available.

PB2, PB3 & PB5 are used

for PIR functions.

In dual pyro mode PB5

becomes available.

Low Power Op

Amp

Not Available

Comparator

Available to application

UART

Available to application –

No CTS

Available to application

Temperature

Sensor

Not Available

LED Drive

—

Available to application

WDT

Available to application

Table 4 - Peripheral Availability

Z8FS040 데이터시트(PDF) 16 Page - Zilog, Inc.

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