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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Easy-Jtag

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Old 08-30-2018, 19:37   #1 (permalink)
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Easy Jtag pinout


Can anyone let me know
where Easy Jtag pinouts is available?

How should I connect the EasyJtag pinouts with the signals on the enclosed picture?
https://imgur.com/a/Jr1J0KJ
Thanks
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Old 08-30-2018, 20:09   #2 (permalink)
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if u have jtag isp adaptor , follow this picture

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Old 08-30-2018, 21:39   #3 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Can anyone let me know
where Easy Jtag pinouts is available?

How should I connect the EasyJtag pinouts with the signals on the enclosed picture?
https://imgur.com/a/Jr1J0KJ
Thanks
EasyJTAG box (color box) pinout

To get 1,8 & 2,8 you need use adapter
Attached Images
File Type: png EMMC_pinout.png (184.4 KB, 155 views)
File Type: jpg HiPowerCLK.jpg (61.8 KB, 167 views)
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Old 08-31-2018, 08:25   #4 (permalink)
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@gunit1: Which picture? You probably forgot to attach it.

@layder: Which adapter do you mean? Easy Jtag adapter ? I saw a different EasyJtag emmc pinout from yours. How did you get yours? Are there really so many clock signals coming out from EasyJtag emmc pinout?
Besides, from your picture I cannot see how to connect yellow wire/pin marked VCCQ=VDD
Thnaks for the replies
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Old 08-31-2018, 09:30   #5 (permalink)
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Quote:
Originally Posted by Jane1 View Post
@layder: Which adapter do you mean? Easy Jtag adapter ? I saw a different EasyJtag emmc pinout from yours. How did you get yours? Are there really so many clock signals coming out from EasyJtag emmc pinout?
Besides, from your picture I cannot see how to connect yellow wire/pin marked VCCQ=VDD
old (EasyJTAG box, not EasyJTAG Plus box), is have only GND, CMD, CLK, Data0 pins. Box is requires external 2,8 & 1,8v supply eMMC power (from USB adapter), or need "Hipower CLK" conection, when power to eMMC used via board from USB power connected to it.

"HiPower CLK" mode is requires connect 4 wires CLK from box together.

VCCQ - 1,8v
VCC - 2,8v
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Old 08-31-2018, 17:21   #6 (permalink)
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Thanks for the reply. Yet, I do not understand.
I need to JTAG N8010 ( tablet). So I found out eMMC pinout of the mainboard like this

How must I connect those signals in the picture together with EasyJtag pinouts adaptor cable



Thanks
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Old 09-01-2018, 22:09   #7 (permalink)
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Nobody knows how to connect... ?
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Old 09-01-2018, 23:28   #8 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Nobody knows how to connect... ?
EasyJTAG power adapters:









schematics of adapters:
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File Type: png Z3X_emmc.png (14.4 KB, 121 views)
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Old 09-03-2018, 17:19   #9 (permalink)
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Yes, that is what I needed.Thanks.
But what is that wide colour cable for?How is it used?I mean the colour cable I posted picture in post #6
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Old 09-03-2018, 18:04   #10 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Yes, that is what I needed.Thanks.
But what is that wide colour cable for?How is it used?I mean the colour cable I posted picture in post #6
Color cable for JTAG connection
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Old 09-07-2018, 17:33   #11 (permalink)
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I tried to use EasyJtag with EasyJTAG power adapter to program eMMC on Samsung N8010( tablet). But I failed.




It seems to me as if EasyJtag could not see eMMC( maybe because of a faulty EasyJTAG power adapter) or an error of EasyJtag itself.
Can anyone give a clue what to check? What signals should I see on CMD pin( and other pins) with an osciloscope?
Thanks
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Old 09-07-2018, 17:48   #12 (permalink)
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Old 09-07-2018, 20:34   #13 (permalink)
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Quote:
Originally Posted by Jane1 View Post
I tried to use EasyJtag with EasyJTAG power adapter to program eMMC on Samsung N8010( tablet). But I failed.

Can anyone give a clue what to check? What signals should I see on CMD pin( and other pins) with an osciloscope?
You need check connection lines CMD, CLK, Dat_0 from box to eMMC, you need check voltage on eMMC power pins. If you use ISP connection, you wiil try to select 2,8v at software (for 1st box generation).
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