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Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 I cannot get a successful program on any Microchip PIC18F4520. I have tried many different versions of your software with Windows 7 32 bit and Windows 8.1 64 bit. Can you please help me....
Go back list [ Posted:2014-02-07 04:16:01 ] Edit Administer top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
gxj
 I have test this chip,but I did not find any problems.Please email to us and send us the screen with the error.
Go back list [ Posted:2014-02-07 13:25:38 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 Can you send me the configuration settings that you are using so I can compare them to mine. I can successfully program these chips with a SmartPRO X5 programmer but not with the VP-498 so far.
Go back list [ Posted:2014-02-07 23:38:41 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
gxj
 I use random data.If you successful programme this chip with our programmer? which our software say? Please catch the error screen to us.You best email to us,and tell me the detail.
Go back list [ Posted:2014-02-08 09:36:31 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 During programming the device data and buffer data do not match and the operation ends. There is no specific error other than that.
Go back list [ Posted:2014-02-10 05:27:42 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
gxj
 Please do the self_test.If self_test is OK,please download the latest software and　update system to Firmware Ver.20.0 !
Go back list [ Posted:2014-02-10 09:02:28 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 I ran the self test and it passed. I downloaded the latest software (ver 4.6.4) 64 bit. Still getting a fail. I have a screenshot but cant get it in this message. Please provide me an email or tell me how to attach it here.
Go back list [ Posted:2014-02-10 22:45:53 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
gxj
 Please email to gxj@weilei.com.cn
Go back list [ Posted:2014-02-11 10:59:17 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 I followed your suggestion to change the tPW setting to 6 and retried the operation but got the same failure at the same point in the process.
Go back list [ Posted:2014-02-12 21:38:17 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
gxj
 Please set vcc to 4.5V.Please try again.
Go back list [ Posted:2014-02-13 14:51:43 ] Edit Administer Top

Re:Programming PIC18F4520 with VP-498 Reply  
handsome
wakeen1966
 Did not work. It seems that it is putting the data from the buffer into locations 01H and 02H at which point the verify catches the error.I will email a screenshot of the read of the device after the failed programming so you can see for yourself.
Go back list [ Posted:2014-02-13 22:23:52 ] Edit Administer Top
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