User's Manual

9XCite Wireless OEM Module – Product Manual v1.0
Block Diagram
Figure 1. 9XCite Module Block Diagram
Interference
Filter
RF TX Buffer
Transmitting
Circuitry
RF RX Buffer
Receiving
Circuitry
RF Switch
DIN Buffer
Antenna
Port
DIN
DOUT
GND
VCC
CTS
DOUT Buffer
‘Interference Filter’ reduces interference from pagers and cellular.
Module Pinout Signals
9XCite Module pin signals and their functions:
Table 1. J1 Pin Descriptions
(Low-asserted signals distinguished with a horizontal line over signal name.)
Module Pin Signal Name I/O When Active Description
1
O* low Clear-to-Send Flow Control
2
SLEEP
(PWRDN)
I* high Can be used to enter Sleep Mode
3 DO (Data Out)
O* n/a
Serial Data leaving the 9XCite Module
(to the processor host)
4 DI (Data In)
I n/a
Serial Data entering the 9XCite Module
(from the processor host)
5
I** low Request-to-Send
6
I* low Reset module
7 RX LED
O high Receive LED
low - Asserted during transmission
8
/ PWR
O
high PWR – Indicates power is on
9
CONFIG
I*** low
Backup method for entering Command Mode. Primary
method is with “+++” [See CC Parameter]
10 VCC
I - 2.85 – 5.50 VDC variable
11 GND
- - Ground
* Pin utilizes 10K Ω Pull-Up resistor (Already installed in the module)
** Pin utilizes 10K Ω Pull-Down resistor (Already installed in the module)
*** Pin utilizes 100K Ω Pull-Up resistor (Already installed in the module)
For More Information
Go to the "XCite Advanced
Programming & Configuration"
Manual for more detailed
information about
module signal pinouts.
The advanced manual is available
on the MaxStream CD
or on the web:
www.MaxStream.net
Note When integrating the 9XCite Module onto a Host PC
Board, all lines that are not used should be left
disconnected (floating).
Table 2. J2 Pin Descriptions
Module Pin Pin Name
1 reserved
2 GND
3 GND
4 GND
J2 Pins are used primarily for mechanical stability and may be left disconnected.
© 2003 MaxStream, Inc., Confidential and Proprietary 2