PIC16C621A-20I/SO

EPROM-Based 8-Bit CMOS Microcontrollers

Key features

• Only 35 instructions to learn
• All single cycle instructions (200 ns), except for program branches which are two-cycle
• Operating speed: DC - 40 MHz clock input, DC - 100 ns instruction cycle
• Interrupt capability
• 16 special function hardware registers
• 8-level deep hardware stack
• Direct, Indirect and Relative addressing modes
• 13 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Analog comparator module with two analog comparators, programmable on-chip voltage reference (VREF) module, programmable input multiplexing from device inputs and internal voltage reference, comparator outputs can be output signals
• Timer0: 8-bit timer/counter with 8-bit programmable prescaler
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Brown-out Reset
• Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options
• Serial in-circuit programming (via two pins)
• Four user programmable ID locations
• Low power, high speed CMOS EPROM technology
• Fully static design
• Wide operating range: 2.5V to 5.5V
• Commercial, industrial and extended temperature range
• Low power consumption: <2.0 mA @ 5.0V, 4.0 MHz; 15 μA typical @ 3.0V, 32 kHz; <1.0 μA typical standby current @ 3.0V