Eight-digit compatible C51 instruction set microcontroller
A microcontroller and instruction set technology, applied in program control devices, instruments, energy-saving ICT, etc., can solve the problems of memory that cannot be repeatedly erased, slow instruction execution, and cannot be debugged online. The effect of running power consumption and complete peripheral modules
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0026] As shown in Figure 1, it is an internal structure diagram of the present invention, the present invention is a novel 8-bit compatible C51 instruction set microcontroller, and the microcontroller internal module includes an 8-bit high-speed arithmetic logic unit (ALU, Arithmetic Logical Unit) module 15, Arithmetic logic selection module 14, 8x8 bit multiplier / divider 16, internal data memory 7 and register interface module 8, special function register (SFR, Special Function Register) 9, execution instruction / direct register module 10, instruction state machine 11, interrupt Controller module 12, instruction decoder 17, program memory module 18, timer / counter module 19, external port module 20, microcontroller external module comprises two serial interface (UART, Universal Asynchronous Receiver / Transmitter) module 13, Three 16-bit timers, one 16-bit watc...
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