What is the difference between Parameter Register's Frame Size and SAI Transmit Configuration 4 Register 's Frame Size?

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What is the difference between Parameter Register's Frame Size and SAI Transmit Configuration 4 Register 's Frame Size?

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machengyuan
Contributor I

Hello,

What is the difference between Parameter Register's   Frame Size and SAI Transmit Configuration 4 Register 's Frame Size?

Thank you.

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igorpadykov
NXP Employee
NXP Employee

Hi ma

Parameter Register's (read only) shows sai configuration implemented in that processor:

for example FRAME (Frame Size) =5 : The maximum number of slots per frame is 2^FRAME: 32

This corresponds description for SAI Transmit Configuration 4 Register (TCR4):

"FRSZ -The maximum supported frame size is 32 words."

Best regards
igor
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machengyuan
Contributor I

Thank you very much!

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machengyuan
Contributor I

Hi,

So Parameter Register's   Frame Size is only going to be 5 at most, even if it has 4 bits, right?

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igorpadykov
NXP Employee
NXP Employee

Parameter Register shows what max. Frame Size is implemented in

that processor silicon sai module. In other processors silicons it may have other values.

Best regards
igor

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igorpadykov
NXP Employee
NXP Employee

Hi ma

Parameter Register's (read only) shows sai configuration implemented in that processor:

for example FRAME (Frame Size) =5 : The maximum number of slots per frame is 2^FRAME: 32

This corresponds description for SAI Transmit Configuration 4 Register (TCR4):

"FRSZ -The maximum supported frame size is 32 words."

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

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