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型号： FSA9280AUMX
厂商： Fairchild Semiconductor
文件页数： 13/30页
文件大小： 0K
描述： IC USB MULTIMEDIA SWITCH 20-UMLP
标准包装： 1
功能： USB 开关
电路： 3:1
电压电源： 单电源
电压 - 电源，单路/双路(±)： 3 V ~ 4.4 V
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 20-UFQFN 裸露焊盘
供应商设备封装： 20-UMLP（4x3）
包装： 标准包装
其它名称： FSA9280AUMXDKR
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA9280A
Rev 1.1.0
20
Table 7. Register Map
Address
Register
Type
Reset Value
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
01H
Device ID
Read
00000000
Version ID: 0xb001
Vendor ID (Fairchild): 000
02H
Control
Read /
Write
00011111
Reserved:
- Read XXX
- Write 000
Switch Open
ADC Interrupt
Disable
Manual Switch
Configuration Delay
Global
Interrupt
Mask
0: Open All
switches
0: Report interrupt
when detection is
complete on
ID_CON
0: Automatic
configuration
disabled, switch
configuration based
on Manual Switch
registers (13H, 14H)
0: After wait time expires
delay configuration
indefinitely until this bit is
written to 1 by host
0: Does not
Mask
Interrupts
1: Switch based on
detection
1: ADC change
interrupt is disabled
1: Automatic
configuration is
enabled
1: If wait time has expired
configure the switches
immediately (See figure
2(flow chart))
1: Mask
interrupts
03H
Interrupt 1
Read /
Clear
00000000
OVP & OCP
Recovery
OCP Event
OVP Event
Long Key Release Long Key Press
Key Press
Detach
Attach
0: OVP and/or
OCP event
not recovered
0: No OCP event 0: No OVP event
0: No Interrupt
1: OVP and/or
OCP event
recovered
1: OCP event
1: OVP event
1: Long key
release detected
1: Long key press
detected
1: Key press
detected
1: Accessory detached
1: Accessory
attached
04H
Interrupt 2
Read /
Clear
00000000
Reserved:
- Read XXX
- Write 000
Stuck Key
Recovery
Stuck Key
ADC Change
Reserved Attach
Reserved:
- Read X
- Write 0
0: No Interrupt
1: Stuck key
recovered
1: Stuck key
detected
1: Valid ADC
detection
1: Reserved accessory
attached
05H
Interrupt
Mask 1
Read /
Write
00000000
OVP & OCP
OCP
OVP
Long Key Release Long Key Press
Key Press
Detach
Attach
0: No Interrupt Mask
1: Mask
–
Interrupt 1
[OVP & OCP
Recovery]
1: Mask
–
Interrupt 1 [OCP
Event]
1: Mask
–
Interrupt 1 [OVP
Event]
1: Mask
–
Interrupt 1 [Long
Key Release]
1: Mask
–
Interrupt 1 [Long
Key Press]
1: Mask
–
Interrupt 1 [Key
Press]
1: Mask
–
Interrupt 1 [Detach]
1: Mask
–
Interrupt 1
[Attach]
06H
Interrupt
Mask 2
Read /
Write
00000000
Reserved:
- Read XXX
- Write 000
Stuck Key
Recovery
Stuck Key
ADC Change
Reserved Attach
Reserved:
- Read X
- Write 0
0: No Interrupt Mask
1: Mask
–
Interrupt 2 [Stuck
Key Recovery]
1: Mask
–
Interrupt 2 [Stuck
Key]
1: Mask
–
Interrupt 2 [ADC
Change]
1: Mask
–
Interrupt 2 [Reserved
Attach]
07H
ADC
Read
00011111
Reserved: - Read XXX, - Write 000
ADC Value (See Table 8)
08H
Timing Set
1
Read /
Write
00000000
Key Press Time (See Table 8)
ADC Detection Time (See Table 8)
09H
Timing Set
2
Read /
Write
00000000
Switching Wait Time (See Table 8)
Long Key Press Time (See Table 8)
Continued on the following page…
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