WM9713LGEFL/RV Wolfson Microelectronics, WM9713LGEFL/RV Datasheet - Page 82
WM9713LGEFL/RV
Manufacturer Part Number
WM9713LGEFL/RV
Description
Audio CODECs Stereo AC'97 CODEC T/P Interface
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM9713LGEFLRV.pdf
(132 pages)
Specifications of WM9713LGEFL/RV
Number Of Adc Inputs
1
Number Of Dac Outputs
1
Conversion Rate
8 KSPs
Interface Type
AC97
Resolution
12 bit
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-48
Minimum Operating Temperature
- 25 C
Number Of Channels
1 ADC, 1 DAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
WM9713LGEFL/RV
Manufacturer:
WOLFSON
Quantity:
20 000
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WM9713L
w
COMP2 DELAY FUNCTION
COMP2 has an optional delay function for use when the input signal is noisy. When COMP2 triggers
and the delay is enabled (i.e. COMP2DEL is non-zero), then GPIO bit 14 does not change state
immediately, and no interrupt is generated. Instead, the WM9713L starts a delay timer and checks
COMP2 again after the delay time has passed. If COMP2 is still active, then the GPIO bit is set and
an interrupt may be generated (depending on the state of the GW14 bit). If COMP2 is no longer
active, the GPIO bit is not set, i.e. all register bits are as if COMP2 had never triggered.
Figure 34 COMP2 Delay Flow Chart
000
time=COMP2DEL
START TIMER
SHUT DOWN
TRIGGERS
SET GI14
COMP2?
non-zero
COMP2
COMP2
TIMER
C2W?
Active
WAIT
DEL?
END
1
Inactive
0
[FALSE ALARM]
END
END
PP Rev 3.2 September 2008
Pre-Production
82
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