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WM1811A Datasheet(PDF) 34 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 34 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
34
DIGITAL AUDIO INTERFACE - SLAVE MODE
Figure 4 Audio Interface Timing - Slave Mode
Note that BCLK and LRCLK inputs can be inverted if required; Figure 4 shows the default, non-
inverted polarity.
Test Conditions
The following timing information is valid across the full range of recommended operating conditions.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Audio Interface Timing - Slave Mode
BCLK cycle time
tBCY
160
ns
BCLK pulse width high
tBCH
64
ns
BCLK pulse width low
tBCL
64
ns
LRCLK set-up time to BCLK rising edge
tLRSU
10
ns
LRCLK hold time from BCLK rising edge
tLRH
10
ns
DACDAT hold time from BCLK rising edge
tDH
10
ns
ADCDAT propagation delay from BCLK falling edge
tDD
48
ns
DACDAT set-up time to BCLK rising edge
tDS
32
ns
Note that the descriptions above assume non-inverted polarity of BCLK and LRCLK.



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