参数资料
型号: S1R72V17B00A
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA60
封装: 5 X 5 MM, 0.50 MM PITCH, PLASTIC, TFBGA-60
文件页数: 26/45页
文件大小: 3044K
代理商: S1R72V17B00A
6. Functional Description
12
EPSON
S1R72V17*** Technical Manual (Rev.1.6)
6.1.2.1.2
Host Port Change Status
This status indicates the status of the power driver that controls VBUS on host ports.
Table 6.3 shows the registers associated with the host port change status.
Table 6.3 Registers Associated with Host Port Change Status
Item
Register/Bit
Description
VBUS error detection
status
USB_HostIntStat. VBUS_Err
Indicates that an error occurred in VBUS.
VBUS error detection
status enable
USB_HostIntEnb. EnVBUS_Err
Enable/disables assertion of the MainIntStat.
USB_HostIntStat bit by
USB_HostIntStat.VBUS_Err.
VBUS enable
H_USB_Control. VBUS_Enb
Enables an external USB power switch.
Host port VBUS state
H_USB_Status. VBUS_State
Indicates the VBUS state of the host port
(normal or erratic).
If a VBUS error detection status is detected, immediately turn the VBUS enable off to stop
VBUS drive.
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