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WM8904ECS/R 데이터시트(PDF) 27 Page - Wolfson Microelectronics plc

부품명 WM8904ECS/R
상세설명  Ultra Low Power CODEC for Portable Audio Applications
PDF  188 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8904ECS/R 데이터시트(HTML) 27 Page - Wolfson Microelectronics plc

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Pre-Production
WM8904
w
PP, Rev 3.3, September 2012
27
SLAVE MODE
BCLK (input)
LRCLK (input)
ADCDAT (output)
DACDAT (input)
tDS
tDD
tDH
tLRH
tLRSU
tBCH
tBCL
tBCY
Figure 3 Audio Interface Timing – Slave Mode
Test Conditions
DCVDD = 1.0V, AVDD = DBVDD = CPVDD = 1.8V, DGND=AGND=CPGND =0V, TA = +25
oC, Slave Mode, fs=48kHz,
MCLK=256fs, 24-bit data, unless otherwise stated.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Audio Interface Timing - Slave Mode
BCLK cycle time
tBCY
50
ns
BCLK pulse width high
tBCH
20
ns
BCLK pulse width low
tBCL
20
ns
LRCLK set-up time to BCLK rising edge
tLRSU
20
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
20
ns
DACDAT set-up time to BCLK rising edge
tDS
20
ns
Note: BCLK period must always be greater than or equal to MCLK period.



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