Microprocessors for Engineers: Interfacing for Real-time Applications |
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Common terms and phrases
accumulator addition address bus addressing mode analogue AOOC AOOF assembly language BASIC buffer byte characters chip circuit circuitry clock cycle clock pulses configuration contents control lines converter data bus data domain data lines data transfer decoding delay device display domain eight bits external fetch flag frequency function GOSUB GOTO hardware hexadecimal I/O ports index register input-output instruction interface interrupt keyboard latch loaded logic machine memory address memory location microcomputer microprocessor mnemonic module needed OP-CODE OPERAND operation performed peripheral POKE Port-A printer processing processor program counter program execution received reset rotor sampling schematic sequence serial data shown in Fig signal speed stack stator stepper motor storage stored subroutine switch symbolic torque two's complement typical voltage zero zero page