interfacing ch340 usb serial bridge to atmega2560

[jt040-jetnet]

Hello all,
i want to develop my own arduino mega board ,
i refered schematic available on arduino website along with eagle file ,
in this schematic atmega16u-mu  is used as usb serial bridge ,
but i want to use ch340 as usb serial bridge which is used in clone boards.
can any body provide interfacing diagram which use ch340 with atmega2560 16-au

[widget]

Have you tried the vendor site?  CHN carries the info on ch34x and Microchipdirect on the MegaXXX lines.

[6v6gt]

Can you not copy the circuit of another AVR / CH340 design ? Here, for example, is a Nano/CH340 schematic:

http://actrl.cz/blog/wp-content/uploads/nano_ch340_schematics-rev1.pdf