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FSA880 Datasheet(PDF) 21 Page - ON Semiconductor

Part # FSA880
Description  USB Port 2:1 Switch with Accessory and Charger Detection
PDF  27 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

FSA880 Datasheet(HTML) 21 Page - ON Semiconductor

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© 2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA880 / FSA881 • Rev. 1.0.7
20
9.9.
Programmability Tables
Table 7. I
2C Register Map
Address Register Type
Reset
Value
(12,13)
Bit 7
(14)
Bit 6
(14)
Bit 5
(14)
Bit 4
(14)
Bit 3
(14)
Bit 2
(14)
Bit 1
(14)
Bit 0
(14)
01H
Device ID
R
N/A
Revision Number
Vendor ID
02H
Control
R/W
xxx0x1x1
Switch
Open
Auto
Config
INT
Mask
03H
Interrupt
R/C
xxxxxx00
Detach
Attach
07H
ADC
R
xxx11111
ADC Value
0AH
Device
Type 1
R
x000x0xx
Dedicated
Charger
(DCP)
USB
Charger
(CDP)
Car Kit
Type 1
& TA
Charger
Standard
USB
(SDP)
0BH
Device
Type 2
R
0xxx0000
Unknown
Accessory
Jig UART
Off
Jig
UART
On
Jig USB
Off
Jig USB
On
13H
Manual
SW 1
R/W
000000xx
D- Switching
D+ Switching
14H
Manual
SW 2
R/W
xxxx00xx
BOOT
SW
JIG ON
1BH
Reset
R/W
xxxxxxx0
Reset
Notes:
12. Write “0” to undefined register bits.
13. Values read from undefined register bits are not defined and invalid.
14. Do not use undefined register locations.
Table 8. Device ID
Address: 01h
Type: Read
Bit #
Name
Size (Bits)
Description
7:3
Revision Number
5
Rev 0.0 = 00000
2:0
Vendor ID
3
000: Fairchild Semiconductor
Table 9. Control
Address: 02h
Reset Value: xxx0x1x1
Type: Read/Write
Bit #
Name
Size (Bits)
Description
7:5
DoNotUse
3
N/A
4
Switch Open
1
1: Open all switches
0: Automatic switching by accessory status
3
DoNotUse
1
N/A
2
Auto Config
1
1: Automatic switching (also called auto-configuration)
0: Manual switching
1
DoNotUse
1
N/A
0
INT Mask
1
1: Mask interrupt – do not interrupt baseband processor
0: Unmask interrupt – interrupt baseband processor on change of state in
Interrupt register



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