User's Manual

MaxStream 9XStream™ Wireless OEM Module Manual v2.8
35
Confidential and Proprietary, ©MaxStream, Inc. 2001
Appendix B – J1/J2 Pin Descriptions
Pin
No.
Pin Name I/O
Type
Description Active
1
_____
CTS
O
PU
Clear to Send flow control low
2
SLEEP
(PWRDN)
I
PU
Can be used to enter Sleep Mode
(See “Modes of Operation” section for
details.)
high
3
DO
(Data Out)
O
PU
Data leaving the module that is sent
to the host
high
4
DI
(Data In)
I
Data entering the 9XStream module
to be transmitted over the air
high
5 RTS/CMD
I
PD
Command mode enable
(
See “Binary Command Mode” section for
details.)
high
6
________
RESET
I
PU
Reset module low
7 RXLED O Indicates good RF data reception high
PWR - Indicates module powered
on
high
8
___
TX/PWR
O
___
TX - Asserted during transmission
↓ low
9
_______
CONFIG
I
PU*
Hold low during power up or reset -
forces ASCII command mode. DO
NOT TIE TO
MICROPROCESSOR!
(See “Serial Port Operation” section for
details.)
low
10 VCC I +5 VDC -
11 GND - Signal ground -
PU – 10kΩ Pull-Up Resistor
PD – 10kΩ Pull-Down Resistor
* CONFIG signal has a 47kΩ Pull-Up Resistor
J2 Pin Descriptions
Pin Signal
1 GND
2 GND
3 GND
4 GND