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WM8991 Datasheet(PDF) 29 Page - Wolfson Microelectronics plc

Part # WM8991
Description  Mobile Multimedia CODEC with Dual-Mode Class AB/D Speaker Driver
PDF  174 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8991 Datasheet(HTML) 29 Page - Wolfson Microelectronics plc

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Pre-Production
WM8991
w
PP, May 2008, Rev 3.1
29
SIGNAL TIMING REQUIREMENTS
SYSTEM CLOCK TIMING
Figure 4 System Clock Timing Requirements
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=3.3V, SPKVDD=5V, DGND=AGND=SPKGND=0V, TA = +25
oC
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
System Clock Timing Information
MCLK or MCLK2 cycle time
TMCLKY
33.33
ns
MCLK or MCLK2 duty cycle
= TMCLKH/TMCLKL
60:40
40:60
MCLK
(or MCLK2)
t
MCLKL
t
MCLKH
t
MCLKY



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