docs ....\Designing a low cost CY7C63723 combination mouse.pdf ....\cy7c637xx.pdf src ...\chip.h ...\combi.c ...\combi.hex ...\combi.lst ...\macros.h ...\ps2defs.h ...\usb_desc.h ...\usbdefs.h sch ...\2000-11.DSN ...\2000-11.opj ...\SCHEMATIC.PDF readme.txt help.txt