eMMC RT809H 8-Bit PCB RT-BGA169-01 V2.3 EMMC
#21
ISP mode, with external power supply, VCC, VCCQ.
External power supply is USB powered AMS1117 3,3V and AMS1117 1,8V voltage regulator mounted on test panel.


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#22
(11-04-2021, 01:47)merkulss Wrote:
(11-04-2021, 01:15)manyizoli Wrote: Could i upgrade silver to pro?
No, only Black UFPI or PCB Pro.
https://mslw.com/product/ufpi-box-black/
Show ContentSpoiler:
Don't worry. 4 bit UFPI will be faster than 8 bit competitors.
Today, I tested my RT809H, and 4GB emmc read 94 sec 8bit, and write 148 sec 8 bit, if I remember correctly
If I have time do screen shoot. Black UFPI do same time?
Thanks for reply.

I also found such a description

https://eletronicabr.com/forums/topic/23...o-de-emmc/
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#23
(15-11-2021, 00:56)manyizoli Wrote: Today, I tested my RT809H, and 4GB emmc read 94 sec 8bit, and write 148 sec 8 bit, if I remember correctly
If I have time do screen shoot. Black UFPI do same time?
Thanks for reply.

I also found such a description
A little math lesson for those who have forgotten how to count. 128/4=32. 32*94=3000 is not equal to 2197.
Go ahead and watch the trick: (128*2^30)/2197=62,5 MIB/s.
Is this a joke, or does the rt809 have usb3.0 and the frequency has become >100 MHz?Smile)))
P.S. No one will be able to overtake ufpi, I'm sure, at least on usb2.0.
ЛС не работают.
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#24
I take picture.


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#25
(15-11-2021, 11:39)manyizoli Wrote: I take picture
Well, find the error. You have everything in your hands. There is no such thing as magic. The screenshots don't confirm anything.
ЛС не работают.
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#26
(15-11-2021, 00:56)manyizoli Wrote: Today, I tested my RT809H, and 4GB emmc read 94 sec 8bit, and write 148 sec 8 bit, if I remember correctly
If I have time do screen shoot. Black UFPI do same time?
Thanks for reply.
I also found such a description
https://eletronicabr.com/forums/topic/23...o-de-emmc/

With eMMC in 8-bit mode all programmers (with HS USB2.0) will be limited with the same maximum speed ~37 MiB/sec. This is USB2 speed limit (+- 2MiB/sec, depends on PC). KiB it's 1024 bytes, MiB it's 1024 KiB.

If you are looking for faster speed's - turn on Async IO, and "One request" in Read mode menu and faster clock. And you can get good result in 4-bit mode, example:
Show Contentfast read in 4-bit mode:

p.s. Also funny what RT809 now have Sync/Async mode-)))
Не пишите мне в личку, все вопросы задаются на форуме!
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#27
Hi bbadmin,

Thanks for your answer, I will test your advice (turn on Async IO, and "One request" in Read mode menu and faster clock).
I have UFPI silver two licences (mount file, mount chip), but I like UFPI black, but I dont know it is good idea (UFPI black 400 dollars, and I will have two UFPI).

I tested

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#28
Hi,

Today I tested UFPI_eMMC_ISP board and works fine, I like this.


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#29
https://mslw.com/bb/showthread.php?tid=2...8#pid59918
Обращаю внимание на пост 21.
Там на картинке неправильный D3. Я применяю правильное место.
[Image: rsz-320211107-103401.jpg]
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