Hello,Community
According to IMX6DQRM, there are only 3 SSI interfaces on i.MX6D/Q processor,but now I want to connect 4 audio devices to i.MX6,what should I do?
Thank you!
ZongbiaoLiao
Solved! Go to Solution.
Hi ZongbiaoLiao
one can use network mode, example is described in AN2628
Figure 10 Connecting to Two External Devices in SSI Network Mode
http://cache.freescale.com/files/32bit/doc/app_note/AN2628.pdf
Best regards
igor
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Hi ZongbiaoLiao
default BSP(L3.0.35_4.1.0) does not support this
suggest to look at sect.16.5.1.1.2 Internal Network Mode
http://cache.nxp.com/files/soft_dev_tools/doc/support_info/iMX6DQPRM.pdf
Best regards
igor
Hi ZongbiaoLiao
one can use network mode, example is described in AN2628
Figure 10 Connecting to Two External Devices in SSI Network Mode
http://cache.freescale.com/files/32bit/doc/app_note/AN2628.pdf
Best regards
igor
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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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Hi igor
Thank you for your reply,it's helpful!
I have one more question as bellow.
I want to use AUDMUX external port as bellow(take port4 as example),is this implementation right?
Audio device1 uses Tx function of port4 and Audio device2 uses Rx function of port4. And I want device1 and device2 work simultaneously.
Hi ZongbiaoLiao
yes it is right.
~igor
Hi igor
Please give me a reply!
Hi igor
Could you give me an answer?
Thank you very much!
Hi, igor
Thank you for your reply!
I am sorry for having some more questions!
Q1):
For the implementation as above, should SSI1 be master or slave?
And does the default BSP(L3.0.35_4.1.0) support this?
Q2):
According to AN2628, I think i.MX6 supports the following mode.
Does it need to connect a pull-up resistor on both AUD3_TXD and AUD4_TXD? And how to decide the resistance?
Thank you!