iMX6DQ : EIM byte access on 16bit Data-bus

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iMX6DQ : EIM byte access on 16bit Data-bus

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koichisakagami
Contributor II

Dear community,

We have a question about EIM byte access.

The EIM is configured for 16-bit Non Multiplexed Address/Data mode communication [ DSZ=010, MUM=0].

    Address_bus : EIM_AD[15:0]
    Address_bus : EIM_ADDR[25:16]
    Data_bus       :EIM_DATA[23:16] - EIM_EB2_B
    Data_bus       :EIM_DATA[31:24] - EIM_EB3_B

[Question]


When we execute the " byte write access" to EIM ,
which data bus is used ?

Best Regards,
Koichi Sakagami

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Yuri
NXP Employee
NXP Employee

Hello,

For even bytes - EB2 is asserted ; for odd bytes - EB3.


Have a great day,
Yuri

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411 Views
Yuri
NXP Employee
NXP Employee

Hello,

For even bytes - EB2 is asserted ; for odd bytes - EB3.


Have a great day,
Yuri

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

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