參數(shù)資料
型號: FSA8008AUMX
廠商: Fairchild Semiconductor
文件頁數(shù): 4/10頁
文件大?。?/td> 0K
描述: IC CONFIG SW/AUD JACK DET 10UMLP
標(biāo)準(zhǔn)包裝: 5,000
類型: 音頻插孔探測器和配置開關(guān)
應(yīng)用: MP3 播放器,便攜式媒體播放器
安裝類型: 表面貼裝
封裝/外殼: 10-UFQFN
供應(yīng)商設(shè)備封裝: 10-UMLP
包裝: 帶卷 (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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