參數(shù)資料
型號(hào): WM9712LEFT
廠商: Wolfson Microelectronics
元件分類(lèi): Codec
英文描述: AC97 Audio and Touchpanel CODEC
中文描述: AC97音頻編解碼器和觸摸屏
文件頁(yè)數(shù): 60/78頁(yè)
文件大?。?/td> 689K
代理商: WM9712LEFT
WM9712L
Production Data
w
PD Rev 4.0 December 2003
60
PARAMETER
SYMBOL
t
SETUP
t
HOLD
MIN
10
10
TYP
MAX
UNIT
ns
ns
Setup to falling edge of BITCLK
Hold from falling edge of BITCLK
SIGNAL RISE AND FALL TIMES
BITCLK
SYNC
SDATAIN
SDATAOUT
t
rise
CLK
t
fall
CLK
t
rise
SYNC
t
fall
SYNC
t
rise
DIN
t
fall
DIN
t
rise
DOUT
t
fall
DOUT
Figure 19 Signal Rise and Fall Times (50pF External Load)
PARAMETER
SYMBOL
trise
CLK
tfall
CLK
trise
SYNC
tfall
SYNC
trise
DIN
tfall
DIN
trise
DOUT
tfall
DOUT
MIN
2
2
2
2
2
2
2
2
TYP
MAX
6
6
6
6
6
6
6
6
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
BITCLK rise time
BITCLK fall time
SYNC rise time
SYNC fall time
SDATAIN rise time
SDATAIN fall time
SDATAOUT rise time
SDATAOUT fall time
AC-LINK POWERDOWN
SYNC
BITCLK
SDATAOUT
WRITE
TO 0X20
DATA PR4
DON'T
CARE
SDATAIN
SLOT 1
SLOT 2
t
S2_PDOWN
Figure 20 AC-Link Powerdown Timing
AC-Link powerdown occurs when PR4 (register 26h, bit 12) is set (see “Power Management”
section).
PARAMETER
SYMBOL
t
S2_PDOWN
MIN
TYP
MAX
1.0
UNIT
μ
s
End of Slot 2 to BITCLK and SDATAIN
low
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