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WM8772SEDS/RV データシート(PDF) 18 Page - Wolfson Microelectronics plc

部品番号 WM8772SEDS/RV
部品情報  24-bit, 192kHz 6-Channel Codec with Volume Control
PDF  73 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8772SEDS/RV データシート(HTML) 18 Page - Wolfson Microelectronics plc

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WM8772EDS – 28 LEAD SSOP
Production Data
w
PD Rev 4.2 October 2005
18
DIGITAL AUDIO INTERFACE – SLAVE MODE
LRC
DOUT
BCLK
DIN1/2/3
WM8772
CODEC
DSP
ENCODER/
DECODER
3
Figure 16 Audio Interface – Slave Mode
BCLK
LRC
t
BCH
t
BCL
t
BCY
DIN1/2/3
DOUT
t
LRSU
t
DS
t
LRH
t
DH
t
DD
Figure 17 Digital Audio Data Timing – Slave Mode
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, TA = +25
oC, Slave Mode, fs = 48kHz, MCLK = 256fs unless otherwise
stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Input Timing Information
BCLK cycle time
tBCY
50
ns
BCLK pulse width high
tBCH
20
ns
BCLK pulse width low
tBCL
20
ns
LRC set-up time to BCLK
rising edge
tLRSU
10
ns
LRC hold time from BCLK
rising edge
tLRH
10
ns
DIN1/2/3 set-up time to
BCLK rising edge
tDS
10
ns
DIN1/2/3 hold time from
BCLK rising edge
tDH
10
ns



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