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TAS2555, ASIM and DSP mode

Other Parts Discussed in Thread: TAS2555

SmartAMP support team,

I have 4 question about TAS2555 as follows,

[1] The pin assignment of ASI for multi-channel(ASIM) is not cleared at Function Block Diagram in page 18 of datasheet.

Please clarify the pin assignment of ASIM. 

I found out other presentation material that the pin assignment was shown.

How to configure these pins using register?

[2] ASI2 controls both function of Echo Canceller and Noise Canceller. Is it possible to individually control ENABLE / DISABLE against each Canceller?

If possible, how to control or program register?

[3] What is the sound difference of SmartAMP / ROM mode1 / ROM mode2 to set in B0_P0_R34?

[4] And also, should all reister, B0_P0_R0 to B100_P0_R127, be programmed for SmartAMP mode?

Regards,

Tamio