WM9712L Datasheet, PDF (52/77 Pages) Wolfson Microelectronics plc – AC97 Audio and Touchpanel CODEC

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