wm9713 Wolfson Microelectronics plc, wm9713 Datasheet - Page 15
wm9713
Manufacturer Part Number
wm9713
Description
Ac?97 Audio + Touchpanel Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9713.pdf
(132 pages)
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COLD RESET (ASYNCHRONOUS, RESETS REGISTER SETTINGS)
Figure 5 Cold Reset Timing
Note:
For correct operation SDATAOUT and SYNC must be held LOW for entire RESETB active
low period otherwise the device may enter test mode. See AC'97 specification or Wolfson
applications note WAN104 for more details.
WARM RESET (ASYNCHRONOUS, PRESERVES REGISTER SETTINGS)
Figure 6 Warm Reset Timing
RESETB active low pulse width
SYNC active high pulse width
SYNC inactive to BITCLK startup
delay
PARAMETER
PARAMETER
t
SYMBOL
SYMBOL
SYNC_HIGH
t
t
RST_LOW
RST2CLK
162.4
MIN
MIN
1.0
PP Rev 3.2 September 2008
TYP
TYP
1.3
MAX
MAX
WM9713L
UNIT
UNIT
µs
µs
ns
15
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