资 源 简 介
EPROM-Based 8-Bit CMOS Microcontroller
Devices included in this data sheet:Referred to collecTIvely as PIC16C55X(A).• PIC16C554 PIC16C554APIC16C556A• PIC16C558 PIC16C558AHigh Performance RISC CPU:• Only 35 instrucTIons to learn• All single-cycle instrucTIons (200 ns), except forprogram branches which are two-cycle• OperaTIng speed:- DC - 20 MHz clock input- DC - 200 ns instruction cycle• Interrupt capability• 16 special function hardware registers• 8-level deep hardware stack• Direct, Indirect and Relative addressing modesPeripheral Features:• 13 I/O pins with individual direction control• High current sink/source for direct LED drive• Timer0: 8-bit timer/counter with 8-bitprogrammable prescalerSpecial Microcontroller Features:• Power-on Reset (POR)• Power-up Timer (PWRT) and Oscillator Start-upTimer (OST)• Watchdog Timer (WDT) with its own on-chip RCoscillator for reliable operation
