User's Guide

ME910C1 HW User Guide
1VV0301351 Rev. 2 Page 62 of 81 2017-07-19
7. AUDIO SECTION
The Telit digital audio interface (DVI) of the ME910C1 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).
Electrical Characteristics
The product is providing the DVI on the following pins:
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
Codec examples
Please refer to the Digital Audio Application note.