ZDP323B Series Digital PIR Sensor

Product Specification

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PS041703-0324 - Preliminary

Page 10

Refer to the flow chart in Figure 13 and the operation example in Figure 14 for more details.

Trigger Output Mode

Enabled

(Config Register B23 = 1)

Signal Output

>

Detection

Threshold

Detection Counter = 1

Signal Output

>

½ Detection

Threshold

Detection Counter = 2

Trigger Output Active

(50us)

Detection Counter = 0

Yes

No

No

Yes

Figure 13 - Detection Counter Flow Chart