hi
i use one mcu control two 1063, Share one SPI, Select chip through XDC XDCS。
But now found a problem, when a 1063 working in the MP3 encoding mode, the other one works in CODEC mode, working in the CODEC mode chip decoding function is not normal, there is a noise. Only when the work in the MP3 mode 1063 stop, the noise will disappear.
Thank you！
vs1063 codec mode
Re: vs1063 codec mode
Hello!
Can you share us a schematics, and/or the values you write to SCI_MODE and other registers?
Kind regards,
- Henrik
Can you share us a schematics, and/or the values you write to SCI_MODE and other registers?
Kind regards,
- Henrik
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chendong3160
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Re: vs1063 codec mode
hi：
i want to know, when then chip working on codec mode, can i set XDC and XDCS hight level select one chips?
Because I use a CPU to drive multiple chips, but I know in the decoding mode is ok。
thanks!
i want to know, when then chip working on codec mode, can i set XDC and XDCS hight level select one chips?
Because I use a CPU to drive multiple chips, but I know in the decoding mode is ok。
thanks!
Re: vs1063 codec mode
Hello!
Kind regards,
- Henrik
Yes, if you set XDS and XDCS high, and if register SCI_MODE bit SM_SDISHARED = 0 and SM_SDINEW = 1, then VS1063 will ignore anything happening on the SPI bus, and you can use it for other devices.chendong3160 wrote:i want to know, when then chip working on codec mode, can i set XDC and XDCS hight level select one chips?
Because I use a CPU to drive multiple chips, but I know in the decoding mode is ok。
Kind regards,
- Henrik
Good signatures never die. They just fade away.
-
chendong3160
- Senior User
- Posts: 49
- Joined: Thu 2011-10-20 5:03
Re: vs1063 codec mode
Hello,
I set sci_mode register is 0x0800, But still not.
I set sci_mode register is 0x0800, But still not.
Re: vs1063 codec mode
I wonder what kind of noise it is.
Are you feeding data quickly enough to the vs1063 that is operating in the codec mode? If you don't feed the data often enough, the codec mode may have a data underflow, and the underflow can be heard as disturbance in the output.
Are you feeding data quickly enough to the vs1063 that is operating in the codec mode? If you don't feed the data often enough, the codec mode may have a data underflow, and the underflow can be heard as disturbance in the output.
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chendong3160
- Senior User
- Posts: 49
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Re: vs1063 codec mode
Hello.
I found the problem , the noise is happen when encode chip read data from register SCI_HDAT0.
I found the problem , the noise is happen when encode chip read data from register SCI_HDAT0.
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chendong3160
- Senior User
- Posts: 49
- Joined: Thu 2011-10-20 5:03
Re: vs1063 codec mode
I don't think it's too slow to send data，because I don't send data to chip when codec mode, It's ni noise. the noise happen only when the other chip
work on encode mode. I think the codec chip recv the encode chip data when the encode chip oprtate register.
work on encode mode. I think the codec chip recv the encode chip data when the encode chip oprtate register.
Re: vs1063 codec mode
Check that only one xCS is asserted at a time.
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chendong3160
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Re: vs1063 codec mode
Hello.
I test when chip work on codec mode , the sdi recv data although set scs and xdcs high level. Have you tested this?
I test when chip work on codec mode , the sdi recv data although set scs and xdcs high level. Have you tested this?