Copyright © 2008 Home Automation, Inc.
All Rights Reserved
Page 1
INTRODUCTION
This document describes the wireless communications of the Zigbee Module. The Zigbee Module is a
portable device that allows for wireless communication between multiple Host devices. This document
describes the installation process, electrical connections, electrical specifications, and the FCC statements
for compliance.
INSTALLATION
1.)
Begin by installing the Zigbee Module in the back of the Host device.
2.)
After screwing the Zigbee to the back of the Host device, power the Host.
3.)
Consult the Host User Manual for network details.
ELECTRICAL CONNECTIONS
The expansion board should connect to the thermostat using the 8 pin dual row J10 header on the read side
(side opposite of LCD). This header consists of a 5V supply, GND, and SPI full-duplex communication or
I/O Connections.
8
pin
expansion
module
pin
out.
ELECTRICAL SPECIFICATIONS
Min
Typical
Max
Voltage Level:
4.5V
5.0V
5.5V
Current:
- - 90ma
SPI
TX
High
2.8V
3.3V
3.6V
SPI
RX
High
2.64V
- 5.5V
SPI
Baud - - 100khz
