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WM9708 Datasheet(PDF) 7 Page - Wolfson Microelectronics plc

Part # WM9708
Description  AC97 Revision 2.1 Audio Codec
PDF  28 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9708 Datasheet(HTML) 7 Page - Wolfson Microelectronics plc

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Advanced Information
WM9708
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 April 2001
7
DETAILED TIMING DIAGRAMS
Test Characteristics:
AVDD = 5V, GND = 0V …………..TA = 0
oC to +70oC, unless otherwise stated.
DVDD = 3.3V, GND = 0V …………..TA = 0
oC to +70oC, unless otherwise stated.
All measurements are taken at 10% to 90% VDD, unless otherwise stated. All
the following timing information is guaranteed, not tested.
AC-LINK LOW POWER MODE
SYNC
BITCLK
SDATAOUT
WRITE
TO 0X20
DATA PR4
DON’T
CARE
SDATAIN
SLOT 1
SLOT 2
t
S2_PDOWN
Figure 1 AC-Link Powerdown Timing
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
End of slot 2 to BITCLK SDATIN
low
tS2_PDOWN
1.0
µs
COLD RESET
RESETB
BITCLK
t
RST_LOW
t
RST2CLK
Figure 2 Cold Reset Timing
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
RESETB active low pulse width
tRST_LOW
1.0
µs
RESETB release (or rising edge)
to BITCLK startup delay
tRST2_CLK
162.8
ns



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