Kinetis Microcontrollers中的主题 Re: KV58F

KV58F

a8Chcx — Wed, 30 Mar 2016 14:17:01 GMT

Hi,

I am going to use KV58F for our new motor drive to replace MC56F8367. I have the following questions:

1) KV58F is in production?

2) I checked the TWR-KV58F board and there is a problem on 50MHz input. The alternative is to use the external input.

Can I change the 1.8VDC to 3.3VDC for board power to make it work as well? The KV58F MCU has to work with 1.8VDC or it can work with 3.3VDC? Which one do you recommend and why?

Thanks,

Christie

Re: KV58F

kerryzhou — Thu, 31 Mar 2016 02:45:48 GMT

Hi Christie,

Now, answer your questions:

1)KV58F is in production?

KV58F is still a preproduction product.

2) 50M input on TWR-KV58F

Yes, TWR-KV58F is using the external alternative clock, if you want to use 50Mhz_OSC, you need to short J28, OFF J29, and make sure R109 is connected.

3) MCU power

According to the KV58 datasheet, you will know that, the VDD is 1.71V-3.6V, so if your MCU has 1.8V in VDD pin, the MCU can work as well.

Both 1.8V and 3.3V can work, but we recomment you use the 3.3V, because if the voltage is lower, some mcu character will not as goog as teh 3.3V VDD, including the general switching character, IO driver ability, for details, please read the KV58 datasheet.

Wish it helps you!

If you still have question, please contact with me!

Have a great day,
Jingjing

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Re: KV58F

a8Chcx — Thu, 31 Mar 2016 13:01:40 GMT

Hi Jingjing,

1) When will KV58F be in production?

2) From TWR-KV58F220M Errata, it means that it will be problem if I want to operate MCU in 1.8VDC, right?

If I want to operate it in 3.3VDC, this board should be fine?

3) I am going to use 3.3VDC if it is better for sure...

Thanks,

Christie

Re: KV58F

chris_brown — Thu, 31 Mar 2016 14:29:04 GMT

HI Christie,

I am the lead applications engineer for the KV5x devices. First I want to say I am very happy to hear that you are going with this part for your new motor design. Now to answer your questions

1) KV5x devices are planned to go into full production soon. We are looking at possibly this May, if not, then this summer.

2) Regarding the errata for the TWR-KV58F220M, the board will operate at 1.8VDC. The issue is that on some of the boards, the oscillator used does not support 1.8VDC. So you won't be able to use the PLL for those affected boards in that configuration, meaning you won't be able to achieve the maximum operating frequency (won't even be able to achieve frequencies higher than 100 MHz actually). HOWEVER, this should not apply to the latest boards (I believe these are the boards with soldered down devices; non-socketed boards). The latest boards have fixed this issue, and provide a 50 MHz oscillator that operates down to 1.8VDC.

Let me assure you that the MCU can operate from 1.71VDC - 3.6VDC (though we recommend keeping your voltage in the range of 1.8VDC - 3.3VDC to ensure you have a buffer). We typically use 3.3VDC when operating the tower board but you may want to use 1.8VDC if your application requires lower power. But the MCU should be fully functional at either voltage.

Hope this helps,

Chris

Re: KV58F

a8Chcx — Thu, 31 Mar 2016 15:08:00 GMT

Hi Christopher,

Glad to hear about that.

Re: KV58F

chris_brown — Mon, 04 Apr 2016 14:40:22 GMT

Hi Christie,

In regards to your questions,

1) Yes, all TWR-KV58F220M boards are fully functional at 3.3VDC (run up to 220 MHz).

2) By Low Voltage Drive board, I assume you mean the TWR-MC-LV3PH, yes? If so, then yes, the TWR-MC-LV3PH should work with this board. It actually won't work with the high-voltage platform. There is a separate board for that system.

3) The quick start guide should have all of the information you need to get a motor running with the TWR-MC-LV3PH. Please take a look at this document first and let me know if you have any further questions about this.

TWR-KV58F220M Quick Start Guide

Regards,

Chris

Re: KV58F

a8Chcx — Mon, 04 Apr 2016 19:27:30 GMT

Hi Chris,

I checked KDS 3.2.0 and KSDK2.0. The KV58F is not supported yet. Could you tell me which tool I should use and when KSDK 2.0 will fully support KV58F?

Thanks,

Christie

Re: KV58F

ivadorazinova — Wed, 06 Apr 2016 10:33:32 GMT

Hi Christie,

KV58F could be supported by Mid June 2016.

Please, follow this link Introducing Kinetis SDK v2

I hope this helps.

Iva

Re: KV58F

a8Chcx — Wed, 06 Apr 2016 13:42:23 GMT

Hi Iva/Chris,

Could you send me the detailed document for KV58F(Reference Manual)?

Thanks,

Christie

Re: KV58F

ivadorazinova — Wed, 06 Apr 2016 18:32:51 GMT

Hi Christie,

please take a look at this link, there is Datasheet for KV58F KV5x Data Sheet

and for Reference Manual please refer to http://cache.nxp.com/files/32bit/doc/ref_manual/KV5XP144M220RM.pdf?fpsp=1&WT_TYPE=Reference%20Manuals&WT_VENDOR=FREESCAL…

another RM you can find at KV5x|Kinetis KV5x Connected Control MCUs|NXP

I hope this helps.

Best Regards,

Iva

Re: KV58F

a8Chcx — Wed, 06 Apr 2016 21:42:49 GMT

Hi Iva,

I can't find Fault0~~4 on eFlexPWM. Could you tell if I can do the fault control on eFlexPWM?

Thanks,

Christie

Re: KV58F

a8Chcx — Thu, 07 Apr 2016 15:22:57 GMT

Hi Iva/Chris,

I am doing pin assignment for my new design. The PWM0 & PWM1 are assigned to the same XBAR. Is it right?

Could you tell me how to make Fault0~~3 for PWM0&1 available on Pin as input?

Thanks,

Christie

Re: KV58F

ivadorazinova — Mon, 02 Nov 2020 13:23:26 GMT

Hi Christie,

please follow always this procedure: write question, somebody answer your questions, please close the thread and mark responding answer "Correct answer" or if just help you as "Helpful answer". It also helps another customers to find their answer quickly.

To your question:

Fault control you can do. Fault input is not on pins. You must use XBAR, which supports different pins and signal peripheral:

Then you should set registers SMnDISMAP0, FCTRL, FFILT according to documentation.

Or download http://www.nxp.com/products/software-and-tools/reference-designs-and-development-kits/kinetis-designs/3-phase-permanent-magnet-synchronous-motor-pmsm-control-reference-design:PERMANENT-MAGNET-MOTOR?fpsp=1&tab=Design_Tools_Tab

there is fault set.

I hope this helps.

Iva

Re: KV58F

chris_brown — Thu, 14 Apr 2016 14:03:53 GMT

Hi Christie,

I will need to consult with some colleagues regarding the PWM0 & PWM1 XBAR assignments.

As for how to select a pin for Fault0~~3 input for the PWMs, you will simply need to route the appropriate XBAR_OUT signal to the desired XBAR_IN signal. So for example, let's say you wanted to connect PWM0_FAULT0 to pin PTE22. First note that PWM0_FAULT0 is connected to XBARA_OUT29 and pin PTE22 is XBAR pin XB_IN2 which is connected to XBARA_IN2. So we need to have XBARA_OUT29 select XBARA_IN2. So we find the appropriate XBARA_SEL register. This would be XBARA_SEL14. We need to write 0x2 to the SEL29 bit field in the XBARA_SEL14 register. So that code would be:

XBARA_SEL14 = 0x0200;

I believe this would be it.

Also, I don't believe KV5x will be supported in KSDK 2.0 for quite some time. This because most of the motor control software that we have is still KSDK 1.3 based. So the proper support software for KV5x is KSDK 1.3.

Regards,

Chris

Re: KV58F

a8Chcx — Mon, 18 Apr 2016 14:20:34 GMT

Hi Chris,

Thank you for your answers. Here are more questions:

1) PWM0&1 Fault0~~3 are assigned to the same XBARA. How can I configure to use both of them? Do I need to switch, and how?

2) I am going to use the latest KDS 3.1 and KSDK 2.0 for my K65F project. It is better to use this environment as well for KV58F that will be available in June?

Thanks,

Christie

Re: KV58F

chris_brown — Wed, 20 Apr 2016 21:14:05 GMT

Hi Christie,

For #1, I am still working to get an answer to that question. Hopefully won't be much longer.

For #2, I would use KDS 3.1, but I wouldn't use KSDK 2.0. KSDK 2.0 is very different from KSDK 1.3 so switching between the two will be very difficult. I don't believe KV5x is scheduled to be in KSDK 2.0 anytime soon. So I would use 1.3. Also, the K65 has a different PWM module so I wouldn't start with that if you can help it. It would be better to start with a KV46 (TWR-KV46F150M) if you have access to that. This part will have the same eFlexPWM module.

Regards,

Chris

Re: KV58F

a8Chcx — Thu, 21 Apr 2016 13:48:33 GMT

Hi Chris,

Thank you for the answers. Here are more questions:

1) I am using K65F for other project, not for motor control. I was recommended to use KDS 3.2 and KSDK 2.0 for this project.

If you are saying that KV58F will not be supported in KSDK 2.0 anytime soon, so I have to use KDS3.1/3.2 and KSDK 1.3 for KV58F, right?

When I checked the release note in KSDK 1.3, I can't find that KV58F is supported. Is it right?

2) I want to start with KV58F because I need more eFlexPWM, KV46 only has one, right?

Thanks,

Christie

Re: KV58F

a8Chcx — Thu, 21 Apr 2016 13:54:48 GMT

Hi Chris,

Sorry. Another question:

Can I use FlexTimer to do quad counting for encoder Phase A&B?

Or it is only supported by 2 channels FlexTimer?

Thanks,

Christie

Re: KV58F

chris_brown — Thu, 21 Apr 2016 15:41:01 GMT

Hi Christie,

1) Yes, you should be able to use either KDS 3.1 or 3.2 and KSDK 1.3 for KV58F. KV58F is supported in a standalone release of KSDK 1.3, so if you have the mainline release, it may not be supported in that particular release, but the software we have for KV58F is definitely KSDK 1.3 based.

2) It appears this is the case. So if your schedule allows you to wait until you get your KV58F chips, then by all means, start with that. I was just suggesting KV46 because it sounded like you weren't going to be able to get KV58F chips in time to start your development and again, it has the same eFlexPWM module that KV58F has (although KV46 has only one instance of this).

Regards,

Chris

Re: KV58F

chris_brown — Thu, 21 Apr 2016 15:44:01 GMT

Hi Christie,

You can use the FlexTimer for Quad counting of a Phase A/B encoder. But this functionality is supported by only the instances which have two channels. In KV58F, this would be FTM1 and FTM2. FTM0 and FTM3 have 8 channels and target motor control.

Regards,

Chris