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参数资料
型号： FSA9280AUMX
厂商： Fairchild Semiconductor
文件页数： 14/30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
21
Address
Register
Type
Reset Value
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0AH
Device
Type 1
Read
00000000
Reserved:
- Read X
- Write 0
USB Charging
(DCP)
USB Charging
(CDP)
Car Kit Charger
UART
USB Data (SDP)
Reserved:
- Read X
- Write 0
Audio Type
1
0: No detect
1: USB
dedicated
charging port
(DCP) detected
1: USB charging
downstream port
(CDP) detected
1: Car Kit charger
detected
1: UART detected
1: USB standard
downstream port
(SDP) detected
1: Audio
Type 1
accessory
detected
0BH
Device
Type 2
Read
00000000
Reserved:
- Read XX
- Write 00
TTY
Reserved:
- Read X
- Write 0
Factory Mode
– See Table 9
0: No detect
1: TTY detected
1: Jig: UART
–
Boot_OFF
1: Jig: UART
–
Boot_ON
1: Jig: USB
– Boot_OFF
1: Jig: USB
–
Boot_ON
0CH
Button 1
Read
00000000
Button 7
Button 6
Button 5
Button 4
Button 3
Button 2
Button 1
Send End
0: Not Pressed
1: Pressed
0DH
Button 2
Read
00000000
Reserved:
- Read XX
- Write 00
Key Press Error
Button 12
Button 11
Button 10
Button 9
Button 8
0: No Key Press
Error
0: Not Pressed
1: Key Press
Error detected
(too short)
1: Pressed
0EH
Car Kit
Status
Read
00000000
Reserved:
- Read XXXXXX
- Write 000000
Charger Type
00: No connection
01: Reserved Charger
10: Car Kit charger type 1
11: Car Kit charger type 2
0FH
Reserved
N/A
00000000
Reserved: - Read XXXXXXXX, - Write 00000000
10H
Reserved
N/A
00000000
Reserved: - Read XXXXXXXX, - Write 00000000
11H
Reserved
N/A
00000000
Reserved: - Read XXXXXXXX, - Write 00000000
12H
Reserved
N/A
00000000
Reserved: - Read XXXXXXXX, - Write 00000000
13H
Manual
Switch 1
Read /
Write
00000000
DM_CON Connection
DP_CON Connection
VBUS Connection
000: Open DM_CON switch
001: DM_CON connected to DM_HOST of USB
port
010: DM_CON connected to Audio_L
011: DM_CON connected to TxD of UART port
000: Open DP_CON switch
001: DP_CON connected to DP_HOST of USB port
010: DP_CON connected to Audio_R
011: DP_CON connected to RxD of UART port
00: Open VBUS switch
01: VBUS_OUT connected to VBUS_IN
(Host
– current sourced from the phone
to accessory, max. load current is 5mA)
10: VBUS_IN connected to MIC
11: VBUS_IN connected to VBUS_OUT
(Standard USB
– phone sinks current
from attached accessory)
14H
Manual
Switch 2
Read /
Write
00000000
Reserved:
- Read XXX
- Write 000
CHG_DET
BOOT
JIG
Reserved:
- Read XXX
- Write 000
0: High Impedance
0: Low
0: High Impedance
1: Low
1: High
1: Low
Continued on the following page…
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