GE863-PRO3Hardware User Guide

1vv0300773a Rev. 0 - 24/01/08

10 GSM/GPRS General Purpose I/O

The general purpose I/O pads can be configured to act in three different ways:

input

output

alternate function (internally controlled)

The following GSM/GPRS engine GPIO are available on the GE863-PRO3:

 

 

 

 

 

 

 

 

 

 

 

 

Input /

 

Default

 

 

 

 

State

 

 

 

 

Ball

 

 

Signal

 

I/O

 

Function

 

Type

 

output

 

 

ON/OFF

 

during

 

Note

 

 

 

 

 

 

 

 

 

State

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

current

 

 

state

 

Reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E6

 

 

GPIO1

 

I/O

 

GPIO01 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

Alternate function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(JDR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

 

 

GPIO2

 

I/O

 

GPIO02 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

HIGH

 

 

HIGH

 

4.7K Pull Up

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

GPIO3

 

I/O

 

GPIO03 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

Alternate function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(RFTXMON)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53

 

 

GPIO4

 

I/O

 

GPIO05 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

Alternate function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(BUZZER)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

 

 

GPIO5

 

I/O

 

GPIO06 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51

 

 

GPIO6

 

I/O

 

GPIO07 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alternate function

 

6

 

 

GPIO7

 

I/O

 

GPIO08 Configurable GPIO

 

CMOS 2.8V

 

1uA / 1mA

 

 

INPUT

 

LOW

 

 

 

 

(RF Transmission

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control)

5GPIO8

4GPIO9

I/O

GPIO09 Configurable GPIO

CMOS 2.8V

1uA / 1mA

INPUT

LOW

 

 

 

 

 

 

I/O

GPIO10 Configurable GPIO

CMOS 2.8V

1uA / 1mA

INPUT

LOW

 

 

 

 

 

 

Input pads can only be read and report the digital value (high or low) present on the pad at the read time; output pads can only be written or queried and set the value of the pad output; an alternate function pad is internally controlled by the GE863-PRO3firmware and acts depending on the function implemented.

All GPIO pads are 2.8V CMOS signals and their interface levels are the same specified in the paragraph 6.5.

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

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Telit Wireless Solutions 1vv0300773a manual 10 GSM/GPRS General Purpose I/O, On/Off

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