XE924M Просмотр технического описания (PDF) - Xecom

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XE924M

Base Access Point for Multiple Remote Machines

Xecom 

XE924M PIN CONFIGURATION

/MRTS

/RTS

/MDTR

/DTR

/MDCD

/DCD

/MCTS

/CTS

RA1/AN1

RB3

31

/MRTS provides the Request to Send output from the modem inside

XE924M. This is an active low output. /MRTS is normally tied to /RTS, pin

32.

32

/RTS supplies the Request to Send out put from the communications

controller. /RTS is an active low output.

33

/MDTR connects to the modems Data terminal Ready line. It is an active

low input to the XE924M. /MDTR is normally tied to /DTR, pin 34.

34

/DTR provides the Data Terminal Ready output from the communications

controller. /DTR is normally tied to /MDTR, pin 33. This is an active low

output.

35

/MDCD provides the Data Carrier Detect output from the modem inside

XE924M. This is an active low output. /MDCD is normally tied to /DCD,

pin 36.

36

/DCD is the Data Carrier detect input to the communications controller. /

DCD is normally tied to /MDCD, pin 35.

37

/MCTS provides the Clear to Send output from the modem inside XE924M.

This is an active low output. /MCTS is normally tied to /CTS, pin 38.

38

/CTS is the Clear to Send input to the XE924M communications controller.

/CTS is normally tied to Pin 37.

40

Programmable I/O pin from the embedded communications controller. Can

be used as an analog input (AN1), Digital output, or digital input.

41

RB3 from XE900M internal micro-controller.

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XE924M

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