minicpu代码:Fully self-contained 8 bit microprocessor IP, syntheziable on mostCPLD or FPGA with 11K gates or less.· One integrated 8 bit qusi-bidirectional I/O port.· Accumulator based architecture keeps code complexity low whileminimizing gate count.· Flexible external stack implementation with on board stack pointer.· Flexible 25 instruction set with 3 addressing modes.· Opcode length of one to three bytes· Opcode execution cycle of two to six cycles.· Total addressable code space of 4Kbyte and 4Kb of sram.