Questions about Wake on USB in TPS2544

Eric Jin

Other Parts Discussed in Thread: TPS2544

Hi All,

My customer is using TPS2544 in their notebook project. now they want to use the 'Wake on USB' function and set CTL1, CTL2, CTL3 as 111 for S0 states and as 011 for S3 states. So the system will be waked from S3 sleep state to S0 working state by USB Mouse. but it doesn't work.

so could you please share how to set or use the wake on USB function? what else settings are needed?

Thanks.

BR,

Eric

over 9 years ago

0 Eric Wright over 9 years ago

TI__Mastermind 42795 points

The setting is 0011 for load detect and power wake. There is more description on page 21-22 for the wake function and table 2 shows functions supported vs. CTLx and ILIM_SEL. See also the notes under table 2 (note 1 and 2 for wake function).

0 Eric Jin over 9 years ago in reply to Eric Wright

TI__Intellectual 1165 points

Hi Eric,

thanks for your reply. Does the setting 0011 mean 001 for CTL and 1 mean ILIM_SEL? Is the ILIM_SEL essenstial?

Thanks.
BR,
Eric

Power management

Power management forum

Questions about Wake on USB in TPS2544