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Singular message in A2S sequence

Antony Lin
Genius 13480 points


If I write a singular message to set CLKEN (or HFCLKOUT) into sleep state in A2S sequence by setting RES_STATE="1000", what will happen to CLKEN (or HFCLKOUT) when this messgae is executed?  Does it depends on how I configure the remap register (sleep_state[3..0])?

Another case, If I write a singular message to set CLKEN (or HFCLKOUT) into off state in A2S sequence by setting RES_STATE="0000", what will happen to CLKEN (or HFCLKOUT) when this messgae is executed?  Does it depends on how I configure the remap register (off_state[3..0])?

Thanks,

Antony

  • 0
    TI__Genius 15100 points

    1. If you write the singular message to set CLKEN(or HFCLKOUT) in SLEEP state in A2S sequence then CLKEN or HFCLKOUT will be LOW, A2S sequence will be executed only when you do the nSLEEP signal low(depends upon the level activating in register). Yes it depends on the REMAP registers also if the SLEEP is REMAP to ACTIVE then this resource will be HIGH in case of the A2S sequence executing.

     

    2.If you write the singular message to set CLKEN(or HFCLKOUT) in OFF state in A2S sequence then CLKEN or HFCLKOUT will be LOW, A2S sequence will be executed only when you do the nSLEEP signal low. Yes it depends on the REMAP registers also if the OFF is REMAP to ACTIVE then this resource will be HIGH and if the OFF is REMAP to SLEEP then this resource will be LOW in case of the A2S sequence executing.