Distributor of Digi International: Excellent Integrated System Limited
Datasheet of XC09-009-DK - KIT DEV FOR 900MHZ 9600BPS 1MW
Contact us: [email protected] Website: www.integrated-circuit.com
9XCite™
OEM
RF
Module
–
Product
Manual
v2.1
[2007.01.04]
©
2007
MaxStream,
Inc.
6
1.4. Block Diagram
Figure
1
‐
02. XCite
OEM
RF
Module
Block
Diagram
MaxStream's proprietary XII™ (Interference Immunity Technology) is contained in the 'Interfer-
ence Filter' of the block diagram. The filter blocks interference from pagers and cellular.
1.5. Pin Signals
XCite Module pin signals and their functions:
Table
1
‐
02. J1
Pin
Descriptions
(Low
‐
asserted
signals
distinguished
with
a
horizontal
line
over
signal
name.)
*
Pin utilizes 10K ? Pull-Up resistor (already installed in the module)
**
Pin utilizes 10K ? Pull-Down resistor (already installed in the module)
***
Pin utilizes 100K ? Pull-Up resistor (already installed in the module)
Note: When integrating the XCite Module onto a Host PC Board, all lines that are not used should be
left disconnected (floating).
Table
1
‐
03. J2
Pin
Descriptions
J2
pins
are
used
primarily
for
mechanical
stability
and
may
be
left
disconnected.
Module Pin
Signal Name
I/O
When Active
Description
1
DO2
O*
low
Clear-to-Send (
) Flow Control
2
DI3
I*
high
Can be used to enter Sleep Modes that consume less power
3
DO (Data Out)
O*
n/a
Serial Data leaving the XCite Module
(to the host)
4
DI (Data In)
I
n/a
Serial data entering the XCite Module
(from the host)
5
DI2
I**
low
Request-to-Send (
)
6
RESET
I*
low
Reset Module Parameters
7
DO3
O
high
Receive (RX) LED
8
TX / PWR
O
low
TX - Asserted during transmission
high
PWR – Indicates power is on
9
CONFIG
I***
low
Backup method for entering AT Command Mode. Primary
method is with “+++” (refer to the CC parameter)
10
VCC
I
-
2.85 – 5.50 VDC Regulated
11
GND
-
-
Ground
Module Pin
Signal Name
1
reserved
2
GND
3
GND
4
GND
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