wm9705seft-v Wolfson Microelectronics plc, wm9705seft-v Datasheet - Page 15

• Manufacturer Part Number: wm9705seft-v
• Description: Multimedia Ac?97 Codec With Integrated Touch Screen Controller
• Manufacturer: Wolfson Microelectronics plc

WM9705
DATA SETUP AND HOLD (50PF EXTERNAL LOAD)
SIGNAL RISE AND FALL TIMES
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Figure 8 Data Setup and Hold (50pF External Load)
Note:
Setup and hold time parameters for SDATAIN are with respect to AC’97 Controller.
Figure 9 Signal Rise and Fall Times (50pF External Load)
PARAMETER
Setup to falling edge of BITCLK
Hold from falling edge of BITCLK
Output valid delay from rising
edge of BITCLK
Incoming signals (from the AC’97 controller to the WM9705)
SDATAOUT rise time
SDATAOUT fall time
SYNC rise time
SYNC fall time
Outgoing signals (from the WM9705 to the AC’97 controller)
BITCLK rise time
BITCLK fall time
SDATAIN rise time
SDATAIN fall time
SDATAOUT
SDATAIN
BITCLK
SYNC
PARAMETER
trise
trise
trise
trise
DOUT
SYNC
CLK
DIN
tfall
tfall
tfall
tfall
SYNC
DOUT
SYMBOL
CLK
DIN
t
t
SETUP
HOLD
t
CO
SYMBOL
trise
trise
tfall
tfall
trise
trise
tfall
tfall
DOUT
SYNC
DOUT
SYNC
CLK
DIN
CLK
DIN
MIN
10
10
MIN
2
2
2
2
TYP
TYP
PD Rev 4.5 July 2008
MAX
15
Production Data
MAX
6
6
6
6
6
6
6
6
UNIT
ns
ns
ns
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
15