wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 13

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
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SIGNAL RISE AND FALL TIMES
Figure 3 Signal Rise and Fall Times (50pF External Load)
AC-LINK POWERDOWN
Figure 4 AC-Link Powerdown Timing
AC-Link powerdown occurs when PR4 (register 26h, bit 12) is set (see “Power Management”
section).
End of Slot 2 to BITCLK and SDATAIN
low
Test Conditions
DBVDD = 3.3V, DCVDD = 3.3V, DGND1 = DGND2 = 0V, TA = -25°C to +85°C, unless otherwise
stated.
BITCLK rise time
BITCLK fall time
SYNC rise time
SYNC fall time
SDATAIN rise time
SDATAIN fall time
SDATAOUT rise time
SDATAOUT fall time
SDATAOUT
SDATAOUT
SDATAIN
BITCLK
SDATAIN
BITCLK
SYNC
SYNC
PARAMETER
PARAMETER
trise
trise
SLOT 1
trise
trise
TO 0X20
WRITE
DOUT
SYNC
CLK
DIN
t
SLOT 2
S2_PDOWN
DATA PR4
DON'T
CARE
tfall
tfall
tfall
tfall
SYNC
DOUT
CLK
DIN
t
SYMBOL
SYMBOL
trise
trise
S2_PDOWN
tfall
tfall
trise
trise
tfall
tfall
SYNC
DOUT
DOUT
SYNC
CLK
DIN
CLK
DIN
MIN
MIN
2
2
2
2
TYP
TYP
PP, Rev 3.2, October 2008
MAX
MAX
1.0
WM9714L
6
6
6
6
6
6
6
6
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
µs
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