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Wellon VP-380 problems Reply

florin Hi. I buy a Wellon VP-380 programmer.I try to program a Micron MT28F400B3WG flash memory. "Blank check"fail. The "Read" OK. When I try to "Erase" the chip i get the following error: >>.Erase...... >>.Blank Check...... >>Device Address:00000000H　Device Data:0000H >>Erase fail! >> 5.46Sec Please help me. Florin Cosma Go back list [ Posted:2011-03-12 16:11:37 ]

Re:Wellon VP-380 problems Reply

lxl is the adapter correct? Go back list [ Posted:2011-03-12 23:05:15 ]

Re:Wellon VP-380 problems Reply

florin Hi. Yes the adapter is OK, it is pin1 to pin1, etc.. I try with a ST M29W400DB flash memory and works. Florin Cosma Go back list [ Posted:2011-03-13 01:47:07 ]

Re:Wellon VP-380 problems Reply

jin You can try to change the VCC with AC adapter. Change such as 3.25V,3.20V, 3.15V......until about 3.0V. Also you can change another parameter "tPW" to 12us, 18us...... Go back list [ Posted:2011-03-14 11:11:03 ]

Re:Wellon VP-380 problems Reply

florin Hi I change everything Vcc, tPW, page, etc. I installed Wellon software version 4.3.2, 4.3.0, 4.0.0 but nothing. First time when i used the programmer i read and program a MT28F400B3. I put in a PDA, but the unit doesn"t start. When I try second time to program another chip the message appear on erase. Best regards, Florin Cosma Go back list [ Posted:2011-03-14 14:51:45 ]

Re:Wellon VP-380 problems Reply

lxl about adapter,please use WL-TSOP48-U2. please verify the chip is OK. Go back list [ Posted:2011-03-14 20:03:57 ]

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