... recognized by the CPU, it must be assigned an address The address assigned to a given device must be unique The CPU puts the address on the address bus, and the decoding circuitry finds the device ... 8051 Programming in C 8051 Hardware Connection and Hex File 8051 Timer/Counter Programming in Assembly and C 8051 Serial Port Programming in Assembly and C Interrupts Programming ... memory¾ In general, the more and bigger the registers, the better the CPU Registers can be 8-, 16-, 32-, or 64-bit The disadvantage of more and bigger registers is the increased cost of such...