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Telit Wireless Solutions LE910C1 Series User Manual

Telit Wireless Solutions LE910C1 Series
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LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
Reproduction forbidden without written authorization by Telit Communications S.p.A. - All Rights Reserved
Telit Confidential Information, provided under NDA Page
83 of 119
8.6. Audio Interface
The LE910C1 module support digital audio interface.
8.6.1. Digital Audio
The LE910C1 module can be connected to an external codec through the digital interface.
The product provides a single Digital Audio Interface (DVI) on the following pins:
Table 30: Digital Audio Interface (DVI) Signals
PAD Signal I/O Function Type COMMENT
B9 DVI_WAO O Digital Audio Interface (WAO) B-PD 1.8V PCM_SYNC
B6 DVI_RX I Digital Audio Interface (RX) B-PD 1.8V PCM_DIN
B7 DVI_TX O Digital Audio Interface (TX) B-PD 1.8V PCM_DOUT
B8 DVI_CLK O Digital Audio Interface (CLK) B-PD 1.8V PCM_CLK
B12 REF_CLK O Audio Master Clock B-PD 1.8V I2S_MCLK
LE910C1 DVI has the following characteristics:
PCM Master mode using short or long frame sync modes
16 bit linear PCM format
PCM clock rates of 256 kHz, 512 kHz, 1024 kHz and 2048 kHz (Default)
Frame size of 8, 16, 32, 64, 128 & 256 bits per frame
Sample rates of 8 kHz and 16 kHz
In addition to the DVI port, the LE910C1 module provides a master clock signal (REF_CLK on Pin
B12) which can either provide a reference clock to an external codec or form an I2S interface
together with the DVI port where the REF_CLK acts as the I2S_MCLK.
The REF_CLK default frequency is 12.288 MHz.
When using the DVI with REF_CLK as an I2S interface, 12.288 MHz is 256 x fs (where fs = 48 kHz)

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Telit Wireless Solutions LE910C1 Series Specifications

General IconGeneral
BrandTelit Wireless Solutions
ModelLE910C1 Series
CategoryControl Unit
LanguageEnglish

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