參數(shù)資料
型號: WM9712LEFV
廠商: Wolfson Microelectronics
元件分類: Codec
英文描述: AC97 Audio and Touchpanel CODEC
中文描述: AC97音頻編解碼器和觸摸屏
文件頁數(shù): 52/78頁
文件大小: 689K
代理商: WM9712LEFV
WM9712L
Production Data
w
PD Rev 4.0 December 2003
52
GPIO
BIT
1
2
SLOT12
BIT
TYPE
PIN NO.
44
45
DESCRIPTION
5
6
GPIO Pin
GPIO Pin
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
3
7
GPIO Pin
46
4
8
GPIO Pin
47
5
9
GPIO Pin
48
6-10
11
N/A
15
Unused
Virtual
GPIO
-
-
[Thermal Cutout]
12
16
virtual
GPIO
-
[ADA]
-
13
17
Virtual
GPIO
[PEN DOWN]
14
18
Virtual
GPIO
-
[COMP2]
-
[COMP1]
15
19
Virtual
GPIO
Table 37 GPIO Bits and Pins
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PDF描述
WM9712LSEFL AC97 Audio and Touchpanel CODEC
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WM9712LSEFV AC97 Audio and Touchpanel CODEC
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