Z8FS021 datasheet(42/68 Pages) ZILOG

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PS028806-0315

Standard API Register Set

ZMOTION® Intrusion Detection

Product Specification

Table 14. PIR ADC Result Value

(ePIR_ADC_Result)

Bit

9876543210

Field

ADC Result Value

Control

Read

Address

10AH

10BH

PIR ADC Result Value (Bits 0–15)

ADC Scan Request Result Value

Controlled by PIR Engine

The PIR ADC Result Value contains the result of the last application requested ADC conversion.

The data format is identical to that discussed in the Z8 Encore! XP Product Specification (PS0228) for

registers ADCD_H and ADCD_L.

Example for requesting an ANA0 Conversion:

• Set bit 0 (ANA0 Scan Request) in PIR Status/Control Register 3 (ePIR_SC3).

• Wait until the ANA0 Scan Request bit is cleared by the Engine.

• Read the ADC conversion result from the PIR ADC Result Value register.

Note: Even though the ADC Result Value is a 16 bitregister, atomic operations are not required since the value is only

updated at the request of the application.

Table 15. PIR Version

(ePIR_Version)

Bit

76543210

Field

Version

Control

Read

Address

10CH

Version (Bits 0–7)

PIR Engine software version; controlled by the PIR Engine.

• The value stored in this register indicates the software version of the PIR Engine.

Value

PIR Engine Software Version

11h

2.00

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