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FSA4480UCX

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FSA4480
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19
TIMING DELAY BETWEEN SENSE SWITCH ENABLE AND L SWITCH ENABLE
Address: 0Fh
Reset Value: 8’b 0000_0000
Type: Read/Write
Bits
Name Size Description
[7:0] Delay timing setting 8
11111111: 25500 mS
11111110: 25400 mS
…
00000001: 100 mS
00000000: 0 mS
TIMING DELAY BETWEEN AUDIO GROUND SWITCH ENABLE AND L SWITCH ENABLE
Address: 10h
Reset Value: 8’b 0000_0000
Type: Read/Write
Bits
Name Size Description
[7:0] Delay timing setting 8
11111111: 25500 mS
11111110: 25400 mS
…
00000001: 100 mS
00000000: 0 mS
AUDIO ACCESSORY STATUS
Address: 11h
Reset Value: 8’b 0000_0010
Type: Read
Bits
Name Size Description
[7:2] Reserved 6 Do not use
1 CC_IN 1 0: CC_IN < 1.2 V
1: CC_IN > 1.5 V
0 DET 1 0: DET output is low
1: DET is output is high
FSA4480
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20
FUNCTION ENABLE
Address: 12h
Reset Value: 8’b 0000_1000
Type: Read/Write
Bits
Name Size Description
7 Reserved 1 Do not use
6 DET I/O Control 1 1: DET pin is in Open/Drain Configuration
0: DET pin is in Push/Pull Configuration
5 RES detection range setting 1 1: 10k to 2560 k
0: 1k to 256 k
4 GPIO control enable 1 1: enable
0: disable
3 Slow turn on control enable 1 1: enable
0: disable
2 MIC auto break out control enable 1 1: enable
0: disable
1 RES detection enable 1 1: enable; will be changed to ‘0’ after low resistance detection
0: disable
0 Audio jack detection and
configuration enable
1 1: enable; will be changed to ‘0’ after audio jack detection and
configuration
0: disable
When GPIO control mode (manual switch control) is enable. ‘Switch control’ register is changed to read only. It will reflect
switch status. I
2
C slave address is
RES DETECTION PIN SETTING
Address: 13h
Reset Value: 8’b 0000_0000
Type: Read
Bits
Name Size Description
[7:3] Reserved 5 Do not use
[2:0] Pin selection 3 000: CC_IN
001: DP/R
010: DN_L
011: SBU1
100: SBU2
101: Do not use
…
111: Do not use
If RES detection pin is enable before setting PIN selection it will always do the CC_IN first. Recommend user to select the
pin first before setting the RES detection pin enable.
RES VALUE
Address: 14h
Reset Value: 8’b 1111_1111
Type: Read
Bits
Name Size Description
[7:0] Detected resistance value 8 0000_0000 : R < 1 k
…
1111_1111: R > 300 K
FSA4480
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21
RES DETECTION THRESHOLD
Address: 15h
Reset Value: 8’b 0001_0110
Type: Read
Bits
Name Size Description
[7:0] RES detection threshold 8
Selection by 1 KW per step if Reg 12h [5] = 0
Selection by 10 KW per step if Reg 12h [5] = 0
Default Value = 22 KW
0000_0000: 1 KW /10 KW
…
1111_1111: 256 KW / 2560 KW
RES DETECTION INTERVAL
Address: 16h
Reset Value: 8’b 0000_0000
Type: Read
Bits
Name Size Description
[7:2] Reserved 6 Do not use
[1:0] RES detection interval 2 00: Single
01: 100 mS
10: 1 S
11: 10 S
AUDIO JACK STATUS
Address: 17h
Reset Value: 8’b 0000_0001
Type: Read
Bits
Name Size Description
[7:3] Reserved 4 Do not use
3 4pole 1 1: 4 Pole SBU2 to MIC, SBU1 to audio ground
0: others
2 4pole 1 1: 4 Pole SBU1 to MIC, SBU2 to audio ground
0: others
1 3 pole 1 1: 3 pole
0: others
0 No audio accessory 1 1: No audio accessory
0: Audio accessory attached
RES DETECTION /AUDIO JACK DETECTION INTERRUPT FLAG
Address: 18h
Reset Value: 8’b 0000_0000
Type: Read Clear
Bits
Name Size Description
[7:3] Reserved 5 Do Not Use
2 Audio jack detection and
configuration
1 0: Audio jack detection and configuration has not occurred
1: Audio jack detection and configuration has occurred
1 Low resistance occurred 1 0: Low resistance has not occurred
1: Low resistance has occurred
0 Low resistance detection 1 0: Low resistance has not occurred
1: Low resistance has occurred
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FSA4480UCX

Mfr. #:
Buy FSA4480UCX
Manufacturer:
ON Semiconductor
Description:
USB Switch ICs USB TYPE-C ANALOG SWITCH
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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