Special Microcontroller Features of PIC16F721-I/P ? PIC Microcontroller:

? Precision Internal Oscillator:
– 16 MHz or 500 kHz operation
– Factory calibrated to ?1%, typical
– Software tunable
– Software selectable ?1, ?2, ?4 or ?8 divider
? Power-Saving Sleep mode
? Industrial and Extended Temperature Range
? Power-on Reset (POR)
? Power-up Timer (PWRT)
? Brown-out Reset (BOR)
? Multiplexed Master Clear with Pull-up/Input Pin
? Programmable Code Protection
? In-Circuit Serial ProgrammingTM (ICSPTM) via Two
Pins
? High-Endurance Flash Cell:
– 10,000 write Flash endurance (typical)
– Flash retention: > 40 years
? Wide Operating Voltage Range:
– 1.8V to 5.5V (PIC16F720/721)
– 1.8V to 3.6V (PIC16LF720/721)

High-Performance RISC CPU of PIC16F721-I/P ? PIC Microcontroller:

? Only 35 Instructions to Learn:
– All single-cycle instructions except branches
? Operating Speed:
– DC ? 16 MHz oscillator/clock input
– DC ? 250 ns instruction cycle
? Up to 4K x 14 Words of Flash Program Memory
? Up to 256 bytes of Data Memory (RAM)
? Interrupt Capability
? 8-Level Deep Hardware Stack
? Direct, Indirect and Relative Addressing modes
? Processor Self-Write/Read access to Program Memory

Low-Power Features of PIC16F721-I/P ? PIC Microcontroller:

? Standby Current:
– 50 nA @ 1.8V, typical
? Operating Current:
– 100 ?A @ 1 MHz, 1.8V, typical
? Low-Power Watchdog Timer Current:
– 500nA @ 1.8V, typical