PIC12C508 PIC12C5XX currently has two models PIC12C508 PIC12C509. PIC12C5XX is an 8-bit microcontroller launched by Microchip of the United States. It is also the world\'s first 8-pin packaged 8-bit microcontroller series. §1.1 Features I. High-performance RISC structure CPU · Reduced instruction set, only 33 single-byte instructions, easy to learn and use · Except for the address branch jump instruction which is a two-cycle instruction, all other instructions are single-cycle instructions · Execution speed: DC ~ 1μs · Two-level hardware stack · Three addressing modes: direct, indirect and relative II. Features of functional components · 8-bit timer/counter TIMER0, with 8-bit prescaler · Large drive current, I/O pin can directly drive digital tube (LED) display - Maximum control current of each I/O pin is 25mA - Maximum sink current of each I/O pin is 20mA · Built-in power-on reset circuit (POR) · Reset timer to ensure normal reset · Internal MCLR reset terminal plus pull-up circuit, no external pull-up required · Built-in self-oscillating watchdog to prevent program deadlock · Program confidentiality bit to prevent illegal copying of program code · Low power sleep function · I/O pin can wake up from sleep · Built-in 4MHz RC oscillator source, which can save external oscillation · Optional external oscillation - RC: Low-cost RC oscillator - XT: Standard crystal/ceramic oscillator - LP: Low-speed crystal, low-power oscillator III. CMOS process characteristics ·Low power consumption <2mA @5V, 4MHz -15μA @3V, 32KHz -<1μA In low-power sleep mode ·Fully static design ·Wide operating voltage range: 2.5V~5.5V ·Wide operating temperature range: Commercial grade: 0℃~+70℃ -Industrial grade: -40℃~+85℃ -Automotive grade: -40℃~+125℃ §1.2 Model and pin introduction.
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