Telit Wireless Solutions HE910 - HE910 Audio Section Overview; Digital Voice Interface (DVI) Electrical Characteristics

HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 84 of 111 2019-11-25
13. 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).
Electrical Characteristics
The product is providing the Digital Audio Interface (DVI) on the following Pins:
13.1.1. CODEC Examples
Please refer to the HE910 Digital Audio Application note
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