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| SRC4192 Datasheet, PDF (19/43 Pages) Burr-Brown (TI) – 192kHz Stereo Asynchronous Sample Rate Converters | |||
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7.2 Functional Block Diagram
SRC4192, SRC4193
SBFS022C â JUNE 2003 â REVISED OCTOBER 2015
LRCKI
BCKI
SDIN
MODE [2:0]
IFMT [2:0
OFMT [1:0]
OWL [1:0]
MUTE
BYPAS
LGRP
RST
MUTE
BYPASS
RST
CS
CCLK
CDATA
LRCKO
BCKO
SDOUT
TDMI
RCKI
Audio
Input
Port
fSIN
Interpolation
Filters
16fSIN
Re-Sampler
16fSOUT
Control
Logic
(SRC4192)
SPI and
Control Logic
(SRC4193)
LRCKI
REFCLK
Rate
Estimator
LRCKO
RDY
RATIO (SRC4193 only)
Audio
Output
Port
Reference
Clock
Mux
REFCLK
fSOUT
Decimation
Filters
fSOUT
Direct
Down-Sampler
(SRC4193 only)
Power
VDD
DGND
VIO
DGND
7.3 Feature Description
7.3.1 Input Port Operation
The audio input port is a three-wire synchronous serial interface that can operate in either slave or master mode.
The SDIN input (pin 4) is the serial audio data input. Audio data is input at this pin in one of three standard audio
data formats: Philips I2S, Left-Justified, or Right-Justified. The audio data word length may be up to 24-bits for
I2S and Left-Justified formats, while the Right-Justified format supports 16-, 18-, 20-, or 24-bit data. The data
formats are shown in Figure 59, while critical timing parameters are shown in Figure 60 and listed in Electrical
Characteristics.
Copyright © 2003â2015, Texas Instruments Incorporated
Product Folder Links: SRC4192 SRC4193
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