Zilog ZEPIR0BA - Manual (Page 15)

UM026001-0413 Evaluation Board Hardware Functions
ZMOTION ® Detection Module II Evaluation Kit
User Manual
11
Table 1. ZMOTION Detection Module II Functions
Feature
Operational Mode (SW1—MODE)
Evaluation
Board Name Function
Type
Hardware Mode Serial Mode
System Reset RESET (SW2) Push Button Reset ZDM II by momentarily interrupting power.
Ambient Light
Threshold AMBIENT (R6) Potentiometer Sets the amount of ambient light required to prohibit the
MOTION LED from activating. Turn clockwise to
increase the amount of light required.
Sensitivity SENS (R3) Potentiometer Controls the ZMOTION
Detection Module II’s sensi-
tivity to motion. It provides
an adjustable voltage
between 0 V and 1.8 V to
the SBC’s TXD/SNS input.
Turn clockwise to increase
sensitivity. No effect. Use the serial
interface to control sensitiv-
ity.
/MD Output
Delay Time DELAY (R4) Potentiometer Controls the amount of time
that the MOTION LED is
activated after motion has
been detected. Turn clock-
wise to increase the time. No effect. Use the serial
interface to control /MD
output delay time.
SBC State STATE (J11) Jumper Places ZDM II into a low power sleep mode.
CDS Enable CDS ENABLE
(J7) Jumper 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.
OCD Interface DBG INTER-
FACE (J9)
6-pin Header This 6-pin header provides the interface to the USB
SmartCable (debugger) when developing software on
ZDM II.