WM8976 Wolfson Microelectronics Ltd., WM8976 Datasheet - Page 15
WM8976
Manufacturer Part Number
WM8976
Description
The WM8976 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8976.pdf
(108 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WM8976GEFL
Manufacturer:
WOLFSONMI
Quantity:
8 680
Part Number:
WM8976GEFL
Manufacturer:
WOLFSON
Quantity:
20 000
Company:
Part Number:
WM8976GEFL/RV
Manufacturer:
TE
Quantity:
1 200
Part Number:
WM8976GEFL/RV
Manufacturer:
WOLFSON
Quantity:
20 000
Pre-Production
SIGNAL TIMING REQUIREMENTS
SYSTEM CLOCK TIMING
Figure 2 System Clock Timing Requirements
Note 1:
PLL pre-scaling and PLL N and K values should be set appropriately so that SYSCLK is no greater than 12.288MHz.
AUDIO INTERFACE TIMING – MASTER MODE
w
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, T
PARAMETER
System Clock Timing Information
MCLK cycle time
MCLK duty cycle
MCLK
Figure 3 Digital Audio Data Timing – Master Mode (see Control Interface)
SYMBOL
T
T
MCLKDS
MCLKY
t
MCLKL
t
MCLKY
MCLK=SYSCLK (=256fs)
MCLK input to PLL
t
MCLKH
CONDITIONS
Note 1
A
= +25
81.38
60:40
MIN
20
o
C
TYP
PP Rev 3.0 April 2006
40:60
MAX
WM8976
UNIT
ns
ns
15