Satel SATELLINE M3-TR3, Руководство по интеграции, Страница: 10 / 35

SATELLINE-M3-TR3
and –TR4
Integration Guide, Version 2.1
9
1.4 Pin order of the DTE connector
Direction IN is data from DTE (Data Terminal Equipment) to the radio transceiver module.
Direction OUT is data from the radio module to the DTE.
Pin
No.
Signal
name
Type Direction Pin State Description
1,2 VCC_IN POWER IN External Voltage 4.0V DC input
3,4 GND GND - External Ground Ground reference for power
and signals
5 VCC_IO POWER IN External Voltage Device IO driver input DC
voltage.
Voltage= 1.8 … 3.3 V
6 ENA_MOD IO IN Internal Pull Down Enable module by pulling
HIGH.
>1.2 V= Module power is
ON,
<0.2 V= Module power is
OFF
7 RD1 CMOS OUT Output Driver Receive data.
Data received by module is
output on this pin. Driving
this pin is prohibited.
8 CTS1 CMOS OUT Output Driver Clear To Send.
Module signals when it is
ready to receive data.
Driving this pin is prohibited.
9 TD1 CMOS IN Internal Pull Up Transmit Data.
Data from DTE to module
shall be sent on this pin. Pull
LOW or drive LOW or
HIGH.
10 RTS1 CMOS IN Internal Pull Up Ready to send.
DTE can use this pin to
signal when it is ready to
receive data from module.
Pull LOW or drive LOW or
HIGH.
11 GPIO1 CMOS IN Internal Pull Down
Unconnected.
12 GPIO2 CMOS IN Internal Pull Down
13 GPIO3 CMOS IN Internal Pull Down
14 GPIO4 CMOS IN Internal Pull Down