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STUSB1600 数据表(PDF) 35 Page - STMicroelectronics

部件名 STUSB1600
功能描述  Power hubs and docking stations
PDF  69 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STUSB1600 数据表(HTML) 35 Page - STMicroelectronics

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STUSB1600
I2C register map
69
5.1.9
HW_FAULT_STATUS
Address: 13h
Access: RO
Note: this register provides information on hardware fault conditions related to the internal
pull-up voltage in source power role and to the VCONN power switches.
The VPU_VALID and VPU_OVP_FAULT bits are related to the internal pull-up voltage
applied on the CC pins when the device is operating in source power role. They give
information on an internal supply issue that could prevent the device to detect a valid
connection to a distant device.
Table 26. HW_FAULT_STATUS register
Bit
Field Name
Reset
Description
7
VPU_OVP_FAULT
0b
0b: voltage on CC pins is below OVP threshold of
6.0 V
1b: voltage on CC pins is above OVP threshold of
6.0 V
6
VPU_VALID
1b
0b: pull-up voltage on CC pins is below UVLO
threshold of 2.8 V
1b: pull-up voltage on CC pins is above UVLO
threshold of 2.8 V (safe condition)
5
VCONN_SW_RVP_FAULT_CC1
0b
0b: no reverse voltage on VCONN power switch
connected to CC1
1b: reverse voltage detected on VCONN power
switch connected to CC1
4
VCONN_SW_RVP_FAULT_CC2
0b
0b: no reverse voltage on VCONN power switch
connected to CC2
1b: reverse voltage detected on VCONN power
switch connected to CC2
3
VCONN_SW_OCP_FAULT_CC1
0b
0b: no short circuit or overcurrent on VCONN
power switch connected to CC1
1b: short circuit or overcurrent detected on VCONN
power switch connected to CC1
2
VCONN_SW_OCP_FAULT_CC2
0b
0b: no short circuit or overcurrent on VCONN
power switch connected to CC2
1b: short circuit or overcurrent detected on VCONN
power switch connected to CC2
1
VCONN_SW_OVP_FAULT_CC1
0b
0b: no overvoltage on VCONN power switch
connected to CC1
1b: overvoltage detected on VCONN power switch
connected to CC1
0
VCONN_SW_OVP_FAULT_CC2
0b
0b: no overvoltage on VCONN power switch
connected to CC2
1b: overvoltage detected on VCONN power switch
connected to CC2



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