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

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Old 02-11-2019, 10:54   #1 (permalink)
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New BGA 162 eMMC from BIWIN


Hi,
the emmc made by BIWIN, marked BWS32AH5 C+2L.
Tried to connect as common bga162 pinout, with pullup to 1.8V, still get CMD Timeout Error.
Is it not supported by EasyJTAGPlus yet or am i doing something wrong?
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Old 02-11-2019, 11:50   #2 (permalink)
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Quote:
Originally Posted by CarambaMSK View Post
Hi,
the emmc made by BIWIN, marked BWS32AH5 C+2L.
Tried to connect as common bga162 pinout, with pullup to 1.8V, still get CMD Timeout Error.
Is it not supported by EasyJTAGPlus yet or am i doing something wrong?

add capacitor to VDDI pin
if connection is ok - you eMMC may be dead
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Old 02-11-2019, 11:54   #3 (permalink)
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biwin has mcp packaged as bga162, if you have rom try to check scatter for more info
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Old 02-11-2019, 14:03   #4 (permalink)
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Quote:
Originally Posted by layder View Post
add capacitor to VDDI pin
if connection is ok - you eMMC may be dead

Capasitor is already on the pcb. eMMC is not dead, phone operates just fine.


Any other idea?
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Old 02-11-2019, 20:45   #5 (permalink)
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if you connect to board you need use HiPower CLK mode

VCC and VCCQ ISP adaptor question
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Old 02-15-2019, 13:25   #6 (permalink)
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Quote:
Originally Posted by duythangvn View Post
biwin has mcp packaged as bga162, if you have rom try to check scatter for more info
scatter is for MTK, i have SC9820E (Spreadtrum)
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Old 02-16-2019, 08:26   #7 (permalink)
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Quote:
Originally Posted by layder View Post
if you connect to board you need use HiPower CLK mode
I've tried with usb power, with external power supply, still cmd timeout.
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Old 02-16-2019, 11:12   #8 (permalink)
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Quote:
Originally Posted by CarambaMSK View Post
scatter is for MTK, i have SC9820E (Spreadtrum)
i think it isnt emmc, it's nand mcp.
if you use easy-jtag plus with nand socket, you can try with this pin out.


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Old 02-17-2019, 12:12   #9 (permalink)
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cNAND is more likely, but it's size 512 and using socket EasyJTAG is not able to identify chip. I could try to use custom layout, but can not find datasheet for page size, peges per block etc.
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