ZEPIR000103KITG Datasheet, PDF (15/18 Pages) Zilog, Inc. – Sensitivity control via simple hardware configuration

ZMOTION^® Detection Module II Evaluation Kit
User Manual
11
Table 1. ZMOTION Detection Module II Functions
Operational Mode (SW1—MODE)
Feature
Evaluation Function
Board Name Type
System Reset RESET (SW2) Push Button
Hardware Mode
Serial Mode
Reset ZDM II by momentarily interrupting power.
Ambient Light
Threshold
Sensitivity
AMBIENT (R6) Potentiometer
SENS (R3) Potentiometer
Sets the amount of ambient light required to prohibit the
MOTION LED from activating. Turn clockwise to
increase the amount of light required.
Controls the ZMOTION No effect. Use the serial
Detection Module II’s sensi- interface to control sensitiv-
tivity to motion. It provides ity.
an adjustable voltage
between 0 V and 1.8 V to
the SBC’s TXD/SNS input.
Turn clockwise to increase
sensitivity.
/MD Output
Delay Time
DELAY (R4)
Potentiometer
Controls the amount of time No effect. Use the serial
that the MOTION LED is interface to control /MD
activated after motion has output delay time.
been detected. Turn clock-
wise to increase the time.
SBC State
STATE (J11) Jumper
Places ZDM II into a low power sleep mode.
CDS Enable CDS ENABLE Jumper
(J7)
OCD Interface DBG INTER- 6-pin Header
FACE (J9)
When this jumper is installed, the CDS Photo Cell is
used. When this jumper is not installed, you can control
the LG signal from the prototype area.
This 6-pin header provides the interface to the USB
SmartCable (debugger) when developing software on
ZDM II.
UM026001-0413
Evaluation Board Hardware Functions