MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 12

• Manufacturer Part Number: MTCMR-H4-P1-GB/IE
• Description: MODEM CELLULAR QUAD GPRS HSPA
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-H4-P1-GB/IE

• Function: Transceiver, HSPA, Modem
• Modulation Or Protocol: GPRS, GSM, EDGE
• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Data Rate - Maximum: 7.2 Mbps
• Features: UK Power Cord
• Voltage - Supply: 9 V ~ 32 V, USB
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 881-1122

GPIO (General Purpose Input/Output) Connector
RS232 9-Pin Functions of the Female End Connector
Multi-Tech Systems, Inc. MultiModem iCell User Guide
The GPIO pins are configured using Universal IP (UIP) AT Commands. Refer to the Universal IP (UIP) AT Command
Reference Guide on your MultiModem CD. The following table explains the GPIO functions:
The GPIO pins can be configured independent of each other.
●
●
●
●
●
●
GPIO DC Characteristics
Pins 1, 2
Input Voltage
Pins 3, 4
Input Voltage
Pins 3, 4
Output Voltage
Pins 3, 4
Output Current
Pins 1, 2 are digital input only.
Pin 5 is an analog input only.
Pins 1-5 contain ESD protection.
Pin 1 Digital Input, 24 Volt tolerant.
Pin 2 Digital Input, 24 Volt tolerant.
Pin 3 can be configured as either Digital Input (5V tolerant TTL/CMOS levels) or Digital Output (3.3V High) or as an
ADC input (0 to 3.3V rail)
Pin 4 can be configured as either Digital Input (5V tolerant TTL/CMOS levels) or Digital Output (3.3V High) or as an
ADC input (0 to 3.3V rail)
Pin 5 is configured as an ADC input (0 to 3.3V rail)
Pin 6 is GND and must be connected to the ground of the attached device
Pin Number
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Parameter
Input Low-level Voltage
Input High-level Voltage
Parameter
Input Low-level Voltage
Input High-level Voltage
Parameter
Output Low-level Voltage
Output High-level Voltage
Parameter
Output Current
Description
DIO 0
DIO 1
DIO 2 / ADC 0
DIO 3 / ADC 1
ADC 2
Gnd
Signal
Pin 1 CD
Pin 2 RX
Pin 3 TX
Pin 4 DTR
Pin 5 GND
Pin 6 DSR
Pin 7 RTS
Pin 8 CTS
Pin 9 RI
External Power
IN/OUT
O
O
--
O
O
O
I
I
I
Min
Min
-0.3
Min
Min
0.3
3.0
2.0
0.0
2.9
GPIO 6-PinConnector
Female Connector
Serial Cable
Max
1.0
Max
Max
Max
24
0.8
5.5
0.4
3.3
2
Units
Units
Units
Units
mA
V
V
V
V
V
V
Chapter 1
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