User's Manual

LE910 V2 HARDWARE USER GUIDE 1VV0301200 Rev.2 Preliminary • 2015-08-04 64 of 81
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7 AUDIO SECTION
OVERVIEW
The Telit digital audio interface (DVI) of the LE910-V2 Module is based on the I
2
S serial bus interface standard. 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).
7.1 Electrical Characteristics
The product is providing the DVI on the following pins:
7.2 Codec examples
Please refer to the Digital Audio Application note.
Pin
Signal
I/O
Function
Internal
Pull up
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