参数资料
型号: FSA9288AUMX
厂商: Fairchild Semiconductor
文件页数: 6/30页
文件大小: 0K
描述: IC USB MULTIMEDIA SWITCH 20-UMLP
标准包装: 5,000
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: 带卷 (TR)
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA9280A Rev 1.1.0
14
FS
A9
2
80A
US
B
Po
rt
Mu
lt
im
edia
Swi
tc
h
,
Fea
turi
n
g
Automatic
Se
lect
a
nd
Ac
ces
s
ory
Detection
Table 5.
Auto-Configurations
USB:
DP_CON=DP_HOST
DM_CON=DM_HOST
VBUS_OUT=VBUS_IN
Audio / Key Pad:
DP_CON=Audio_R
DM_CON=Audio_L
MIC=VBUS_IN
TTY:
DP_CON=Audio_R
MIC=VBUS_IN
DP_CON=RxD
DM_CON=TxD
Note:
13. Use of FS USB on the UART path requires manual switching, as described in Section 11.4
7.1. Manual Switching
Manual switching is enabled by writing the following registers:
Manual Switch 1 (13h): Configures the switches for DM_CON, DP_CON, and V
BUS_IN.
Manual Switch 2 (14h): Configures the CHG_DET, BOOT, and JIG pins.
V
BUS_IN
Micro
USB
DM_CON
DP_CON
GND
ID_CON
HS USB
DP_HOST
DM_HOST
FS USB
or UART
Audio
Codec
Audio_R
Audio_L
RxD
TxD
FSA9280A
MIC
Charger
Detect
3:1
MUX
and
Charge
Pump
CHG_DET
Charger IC
V
BUS_OUT
- Detection
OCP,OVP
VBUS_IN
Micro
USB
DM_CON
DP_CON
GND
ID_CON
HS USB
DP_HOST
DM_HOST
FS USB
or UART
Audio
Codec
Audio_R
Audio_L
RxD
TxD
FSA9280A
MIC
Charger
Detect
3:1
MUX
and
Charge
Pump
CHG_DET
Charger IC
VBUS_OUT
- Detection
OCP,OVP
VBUS_IN
Micro
USB
DM_CON
DP_CON
GND
ID_CON
HS USB
DP_HOST
DM_HOST
FS USB
or UART
Audio
Codec
Audio_R
Audio_L
RxD
TxD
FSA9280A
MIC
Charger
Detect
3:1
MUX
and
Charge
Pump
CHG_DET
Charger IC
VBUS_OUT
- Detection
OCP,OVP
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