参数资料
型号: FSA8008AUMX
厂商: Fairchild Semiconductor
文件页数: 4/10页
文件大小: 0K
描述: IC CONFIG SW/AUD JACK DET 10UMLP
标准包装: 5,000
类型: 音频插孔探测器和配置开关
应用: MP3 播放器,便携式媒体播放器
安装类型: 表面贴装
封装/外壳: 10-UFQFN
供应商设备封装: 10-UMLP
包装: 带卷 (TR)
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA8008 / FSA8008A Rev. 1.0.5
3
FSA8008
/
FSA8008A
Audio
Jack
Detect
ion
and
Configuration
Switch
Functional Diagram
Figure 3. Functional Flow Diagram
Note:
2.
FSA8008A stuck Send/End key function is only available if EN=H.
Table 1.
FSA8008 vs. FSA8008A Stuck Send/End Key
EN
FSA8008
FSA8008A
H
Stuck Send / End Key Active
L
Stuck Send / End Key Active
Stuck Send / End Key Disabled
Power Up
(POR GOOD)
Is there an
accessory
plugged into
the audio
jack?
Is the
accessory a
3 or 4 pole?
3-Pole Configuration
DET = 0
JPOLE = 1
S/E = 0
Is the
accessory 3
or 4 pole?
Is there an
accessory
plugged into
the audio
jack?
Detached Accessory
Set to Default States
DET = 1
JPOLE = 1
S/E =0
NO
YES
3-Pole
4-Pole Configuration
DET = 0
JPOLE = 0
S/E = 0
4-Pole
NO
YES
NO
YES
Is Send/END
key pressed?
NO
YES
Key Press
S/E = 1
No Key Press
S/E = 0
Is there an
accessory
plugged into
the audio
jack?
NO
YES
Configure MIC Switch
EN = Set by processor
Stuck
Send/End
Key Check
(2)
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