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TPS23880: TPS23880EVM -Read always FF80 from the registers

Part Number: TPS23880
Other Parts Discussed in Thread: USB2ANY

Software

About TPS23880
Release v2.0.0 (5ad631)
Built on Wed Oct 03 2018 14:20:51

Board 

TPS23880EVM

Setup

TPS23880EVM is connected to PC through USB2ANY

Sometime I observed that board does not respond to the tool .It shows error message "Device not found Check device connection or I2C address not configured.". 

During this condition if we restart the application also does not have any effect. It always read 0xff80 from any register . Chip does not responds to any I2C write . (firmware update / reset)

If I disconnect and reconnect usb cable then  it works fine.

Could tell me how I can recover this condition without rebooting the board and application