i.MX Processorsのトピックi.MX6DQ EIM clock for asynchronous access.

i.MX6DQ EIM clock for asynchronous access.

satoshishimoda — Fri, 24 Jul 2015 05:22:10 GMT

Hi community,

We have two questions about i.MX6DQ EIM clock for asynchronous access.

Please see our questions as below.

[Q1]

We want to know the which clock in Table 22-4 (IMX6DQRM Rev.2) is used for async access.

In other words, which clock in Table 22-4 (IMX6DQRM Rev.2) is INT_CLK in Figure 18 (IMX6DQCEC Rev.3).

Would you let me know it?

[Q2]

I found the max frequency for sync access is 104 MHz in EIM Clock Frequency in I.MX6.

Then, how about in async access?

Is INT_CLK max frequency 104Mhz also as written in chapter 4.9.3 of IMX6DQCEC Rev.3?

Best Regards,

Satoshi Shimoda

Re: i.MX6DQ EIM clock for asynchronous access.

Yuri — Fri, 24 Jul 2015 07:50:26 GMT

The EIM_BCLK is derivative of the INT_CLK, the recent is equal ACLK (AXI clock),
maximum frequency 133 Mhz.

Have a great day,
Yuri

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Re: i.MX6DQ EIM clock for asynchronous access.

satoshishimoda — Wed, 29 Jul 2015 02:32:08 GMT

Hi Yuri,

Which clock did you mean "ACLK"?

ACLK_CLK_ROOT

ACLK_EIM_SLOW_CLK_ROOT

Best Regards,

Satoshi Shimoda

Re: i.MX6DQ EIM clock for asynchronous access.

Yuri — Wed, 29 Jul 2015 05:51:31 GMT

ACLK_EIM_SLOW_CLK_ROOT

Re: i.MX6DQ EIM clock for asynchronous access.

satoshishimoda — Wed, 29 Jul 2015 05:54:05 GMT

Hi Yuri,

Thank you for your reply.

OK, I got it!

Best Regards,

Satoshi Shimoda