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VP-390 Reply

hexxx309 I am using the VP-390, but it"s not working well. I plugged in the programmer and then open the software. Then the following message pops up. I followed the instructions and reconnected the USB port or even reboot my computer for many times. It just happened to succeed once. The next time, it fails again. That time it was able to connect, the programmer can only read from the chip but failed to write. I am setting the chip model correctly, because that"s what I use in VP-20. Go back list [ Posted:2013-06-28 23:05:10 ]

Re:VP-390 Reply

hexxx309 I am programming NXP P89C54UBAA with a PLCC44 to DIP 40 adapter. "The following message" means communication error message. I did try with different chips and different cables. Go back list [ Posted:2013-06-28 23:07:43 ]

Re:VP-390 Reply

lxl please send us its photo Go back list [ Posted:2013-07-01 22:03:18 ]

Re:VP-390 Reply

hexxx309 Hi, I fixed the problem by using the 32bit version software, although I am using 64bit win7. THX Go back list [ Posted:2013-07-06 06:37:06 ]

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