TPS65910 I2C and Smart Reflex I2C Functionality???

Sandeep N S

Intellectual 280 points

Other Parts Discussed in Thread: AM3356, TPS65910A

Hi,

To change the AM3356 mpu and core from OPP100 to turbo mode,Which I2C i need to use?? Normal or Smart reflex???

If it is normal I2C what is the use Smart reflex I2C???

Thanks and Regards

Sandeep NS

over 10 years ago

0 Biser Gatchev-XID over 10 years ago

TI__Guru**** 393215 points

Hi Sandeep,

TPS65910A both Normal and Smart Reflex interfaces must be connected to AM335X I2C0. The Linux kernel drivers will take care of everything else. Please check PMIC connections from this document: http://www.ti.com/lit/ug/swcu093c/swcu093c.pdf

0 Sandeep N S over 10 years ago in reply to Biser Gatchev-XID

Intellectual 280 points

Hi Biser,

But in AM335X development board TMDXICE3359 Smart reflex I2C is NC. It is only a test point. It means SR-I2C is not necessary. Right???
And one another DVM board connection is like both I2C's are connected but one is isolated with 0E No Load resistors.

0 Biser Gatchev-XID over 10 years ago in reply to Sandeep N S

TI__Guru**** 393215 points

The ICE board is not designed to run Linux. It runs the Industrial SDK, based on SYS/BIOS and Starterware. The document referred above by me is the definitive one for PMIC connections.

0 Sandeep N S over 10 years ago in reply to Biser Gatchev-XID

Intellectual 280 points

So you mean Both I2C should be connected as multidropping network . right???
What are the addresses for both I2C's???

0 Biser Gatchev-XID over 10 years ago in reply to Sandeep N S

TI__Guru**** 393215 points

Sandeep N S said:
So you mean Both I2C should be connected as multidropping network . right???

Yes, correct.

Sandeep N S said:
What are the addresses for both I2C's???

These should be available in the TPS65910A Datasheet.

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TPS65910 I2C and Smart Reflex I2C Functionality???