User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.9 – 07-02-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 57 of 80
11 Audio Section Overview
The Audio of the HE910 Module is carried by DVI digital audio interface.
The audio port can be directly connected to end device using digital interface, or via one
of the several compliant codecs (in case an analog audio is needed).
NOTE: Audio Supported by HE910 and HE910-GA only
11.1 Electrical Characteristics
The product is providing the Digital Audio Interface (DVI) on the following Pins:
Digital Voice Interface (DVI)
PAD
Signal
I/O
Function
Note
Type
B9
DVI_WA0
I/O
Digital Audio Interface (Word Alignment /
LRCLK)
CMOS 1.8V
B6
DVI_RX
I
Digital Audio Interface (RX)
CMOS 1.8V
B7
DVI_TX
O
Digital Audio Interface (TX)
CMOS 1.8V
B8
DVI_CLK
I/O
Digital Audio Interface (BCLK)
CMOS 1.8V
11.1.1 CODEC Examples
Please refer to the HE910 Digital Audio Application note.