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WM8994ECS/R Datenblatt(PDF) 37 Page - Cirrus Logic

Teilenummer WM8994ECS/R
Bauteilbeschribung  Multi-channel Audio Hub CODEC for Smartphones
PDF  363 Pages
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Hersteller  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8994ECS/R Datenblatt(HTML) 37 Page - Cirrus Logic

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WM8994
Rev 4.6
37
DIGITAL AUDIO INTERFACE - SLAVE MODE
BCLK
(input)
LRCLK
(input)
ADCDAT
(output)
DACDAT
(input)
tDS
tDD
tDH
tLRH
tLRSU
tBCH
tBCL
tBCY
VIH
VIL
VIH
VIL
VOH
VOL
VIH
VIL
Figure 5 Audio Interface Timing - Slave Mode
Note that BCLK and LRCLK inputs can be inverted if required; Figure 5 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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