Telit Wireless Solutions FN990 Series Hardware Design Guide

FN990 Family Hardware Design Guide
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Page 48 of 83
2024-05-29
Figure 17: Recommended LED Connection
DPR
This signal is input directly to the FN990 module from a suitable SAR sensor. Then FN990
Family module will reduce output tx power.
DPR function is not available yet: specific implementation will be determined on customer
request.
For further information on the DPR function on the FN990 modem family, please contact
Telit Technical Support at:
•
TS-EMEA@telit.com
•
TS-AMERICAS@telit.com
•
TS-APAC@telit.com
7.4 General Purpose I/O
The general-purpose I/O pins can be configured to act in four different ways:
•
Input
•
Output
•
Fast shutdown
•
Dedicate function (Customer requirement)
Input pins can only report digital values (high or low) present on the pin at the read time.
Output pins can only be set or the pin level can be queried.
Table 38: General Purpose I/O
Pin
Signal
I/O
Function
Type
Comment
General Purpose I/O
68
TGPIO_01
I/O
General Purpose I/O
Can be I2S_CLK
1.8V
25
TGPIO_02
I/O
General Purpose I/O
Can be DPR
1.8V
62
TGPIO_03
I/O
General Purpose I/O
1.8V
64
TGPIO_04
I/O
General Purpose I/O
1.8V
22
TGPIO_06
I/O
General Purpose I/O
Can be I2S_DIN
1.8V
24
TGPIO_07
I/O
General Purpose I/O
Can be I2S_DOUT
1.8V
28
TGPIO_08
I/O
General Purpose I/O
1.8V

Telit Wireless Solutions FN990 Series Specifications

General

Brand	Telit Wireless Solutions
Model	FN990 Series
Category	Computer Hardware
Language	English