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Problem in interfacing USB to 89C51SND1

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ShuklaS

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89c51snd1

Hi,
Setup
1) AT89DVK-04 Development kit (T8xC51SND1 DEMOB V2.2) .
2) FLIP-2_4_6

I had check frequency and resistance on D+ and ISP pin
All are correct


Following are the problems
1) Unable to enter in ISP mode through USB and RS232
2) In case of RS232 I am getting timeout error. I had check the com1 port it is working fine and we try with different baud rates mention in flip help (troubleshoot).
3)In case of USB I am getting message one of the USB device attaché has malfunctioning and windows does not recognize it and when we try to install driver (C:\Program Files\Atmel\FLIP 2.4.6\usb) we got the message The specific location does not contain information about your software.

IF you are having any document please send also please let me know if I am skipping some procedure
 

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