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PCM9211 Datasheet(PDF) 17 Page - Texas Instruments

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Part # PCM9211
Description  Integrated DIX, ADC, and Signal Routing: ??Asynchronous Operation (DIR, DIT, ADC) ??Mux and Routing of PCM Data: ??I2S?? Left-Justified, Right-Justified
PDF  121 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM9211 Datasheet(HTML) 17 Page - Texas Instruments

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PCM9211
www.ti.com
SBAS495 – JUNE 2010
Table 1 shows the timing requirements to reset the device using the RST pin.
Table 1. Timing Requirements for RST Pin Device Reset
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
tRSTL
RST pulse width (RST pin = low)
1
µs
The condition of each output pins during the device reset is shown in Table 2.
Table 2. Output Pin Condition During Reset
CLASSIFICATION
PIN NAME
AT RST = L(1)
SCKO
L
BCK
L
Main Output Port
LRCK
L
DOUT
L
ERROR/INT0
H
Flag and Status
NPCM/INT1
L
MPIO_A0 through MPIO_A3
Hi-Z
MPIO_B0 through MPIO_B3
Hi-Z
MPIOs and MPOs
MPIO_C0 through MPIO_C3
Hi-Z
MPO0, MPO1
L
MDI/SDA
Hi-Z
Serial I/F
MDO/ADR0
Hi-Z
Oscillation Circuit
XTO
Output
Common Supply for ADC
VCOM
Output
Coax Input
RXIN0, RXIN1
H
(1)
L = low, H = high, Hi-Z = high impedance.
PCM Audio Interface Format
Each of the modules in the PCM9211 (DIR, DIT, ADC, Aux I/Os) supports these four interface formats:
•
24-bit I2S format
•
24-bits Left-Justified format
•
24-bit Right-Justified format
•
16-bit Right-Justified format
32-bit interfaces are supported for the paths from AUXIN0/1/2 to MainPort/AUXOUT.
All formats are provided twos complement, MSB first. They are selectable through SPI-/I2C-accessible registers.
The specific control registers are:
•
DIR: RXFMT[2:0]
•
ADC: ADFMT[1:0]
•
DIT: TXFMT[1:0]
Copyright © 2010, Texas Instruments Incorporated
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Product Folder Link(s): PCM9211



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