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interfacing lpc2138 with p89c51rd2xx

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nautisandeep

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can we interface ARM controller LPC2138 with p98c51RD2XX.
i have an NXP rfid reader immobilizer kit which has lpc2138.where i have prepared a h/w relay circuit with p98c51RD2XX.the output of the kit is USB and the relay circuit hasserial input[uart]

can we interface the two controllers,if so how????

even i want the usb protocol for lpc2138
its urgent

mail me : nautisandeep@gmail.com
 

Best way for the two to communicate is through UART as both have one. Where do you get the USB from because neither one has a USB!?
If you are talking about the LPC2148, which is basically a LPC2138 with USB, then check the NXP website for USB drivers or go here to sourceforge.net
https://sourceforge.net/projects/lpcusb/
This is for a USB interface as implemented on the LPC214x. If there is actually a LPC2138 on the board you have, there must be an external USB chip and you have to find a stack for that one.
hth, Bob
 

yes it's possible mr sandy...
 

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