wm9712l Wolfson Microelectronics plc, wm9712l Datasheet - Page 52

• Manufacturer Part Number: wm9712l
• Description: Ac?97 Audio And Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

WM9712L
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Table 37 GPIO Bits and Pins
GPIO
6-10
BIT
11
12
13
14
15
1
2
3
4
5
SLOT12
N/A
BIT
15
16
17
18
19
5
6
7
8
9
GPIO Pin
GPIO Pin
GPIO Pin
GPIO Pin
GPIO Pin
Unused
Virtual
Virtual
Virtual
Virtual
virtual
GPIO
GPIO
GPIO
GPIO
GPIO
TYPE
[Thermal Cutout]
[PEN DOWN]
[COMP2]
[COMP1]
PIN NO.
[ADA]
44
45
46
47
48
-
-
-
-
-
-
GPIO1
GPIO2 / IRQ
enabled only when pin not used as IRQ
GPIO3 / PENDOWN
enabled only when pin not used as PENDOWN
GPIO4 / ADA / MASK
enabled only when pin not used as ADA
GPIO5 / SPDIF_OUT
enabled only when pin not used as
SPDIF_OUT
GPIO Logic not implemented for these bits
Internal thermal cutout signal, indicates when
internal temperature reaches approximately
150°C (see “Thermal Sensor”)
Internal ADA (ADC Data Available) Signal
enabled only when auxiliary ADC is active
Internal PENDOWN Signal
enabled only when pen-down detection is
active
Internal COMP2 output (Low Battery Alarm)
enabled only when COMP2 is on
Internal COMP1 output (Dead Battery Alarm)
enabled only when COMP1 is on
DESCRIPTION
PD Rev 4.5 August 2006
Production Data
52