TUSB1104:TUSB1104 TEST Pin

Hitoshi Maeda

Part Number: TUSB1104

Tool/software:

I accidentally connected the TEST1 pin of the TUSB1104 to GND.
What would happen if that were the case?

It appears to be recognized as USB on the computer, so it seems to be working normally.

+1 Brian Zhou 2 months ago

Hi Hitoshi:

Let me check with designer to make sure it Ok to ground TEST1 or not.

Best

Brian

+1 Brian Zhou 2 months ago in reply to Brian Zhou

Hi Hitoshi:

Did you use I2C mode?

Best

Brian

+1 Hitoshi Maeda 2 months ago in reply to Brian Zhou

I2C is not used.
However, it can be modified to enable the use of I2C.

0 Brian Zhou 2 months ago in reply to Hitoshi Maeda

Hi Hitoshi:

It's better to use I2C mode which can avoid TEST1 setting issue.

Even if it 's still working in GPIO mode, but performance is not guaranteed with TEST1 grounded.

Best

Brian

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