User Guide

ME310G1 Hardware User Guide
1VV0301588 Rev. 4 Page 51 of 77 2020-01-21
7. AUDIO SECTION
The Telit digital audio interface (DVI) of the ME310G1 Module is based on the I
2
S serial
bus interface standard. The audio port can be 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 DVI on the following pins:
Pin
Signal
I/O
Function
Internal
Pull Up
Type
C1
DVI_WA0
I/O
Digital Audio Interface (Word
Alignment / LRCLK)
CMOS 1.8V
D2
DVI_RX
I
Digital Audio Interface (RX)
CMOS 1.8V
E1
DVI_TX
O
Digital Audio Interface (TX)
CMOS 1.8V
F2
DVI_CLK
I/O
Digital Audio Interface (BCLK)
CMOS 1.8V
Codec examples
Please refer to the Digital Audio Application note.