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vp998 programmer write problem S3F9454B

fatih35m

hello
I am a user of vp998
Reading samsung S3F9454B mcu is no problem
but if you want to write it gives error in verification
I have tried a few new MCu but the result is frustration
but another brand programmer wrote this mcu very comfortably

what is the solution to this problem?

I tried many times over isp and from the zif socket I tried sk-DK models i bought new processors but the result is the same

[ The message is modified by fatih35m ]

maybe an update is needed

[ The message is modified by fatih35m ]

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[ Posted:2020-05-24 21:56:49 ]

Re:vp998 write problem S3F9454B

lxl

our test is OK. maybe you incorrect select chip type ? S3F9454B-DK od S3F9454B-DH ?

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[ Posted:2020-06-01 09:23:20 ]

no result

fatih35m

I tried many times over isp and from the zif socket I tried sk-DK models i bought new processors but the result is the same
I keep getting automatic programming failed message
this is the problem with writing smart problem

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[ Posted:2020-06-03 14:05:29 ]

Re:vp998　write problem S3F9454B

lxl

please send error photo to weilong@weilei.com.cn

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[ Posted:2020-06-04 10:38:43 ]

S3F9454B　vp998

fatih35m

(this is the answer from you)

If you are using ISP programming mode, you must design an ISP interface on your circuit board. Otherwise, programming generally fails due to interference.
I connected this mcu directly to the zif socket and the result did not change
programmer cannot write this mcu

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[ Posted:2020-07-06 01:42:42 ]