© 2009 Microchip Technology Inc. Advance Information DS41402A-page 1
PIC16F720/721
High-Performance RISC CPU:
• 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
Special Microcontroller Features:
• 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 Programming
TM
(ICSP
TM
) 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)
Low-Power Features:
• Standby Current:
- 50 nA @ 1.8V, typical
• Operating Current:
-100μA @ 1 MHz, 1.8V, typical
• Low-Power Watchdog Timer Current:
- 500nA @ 1.8V, typical
Peripheral Features:
• Up to 17 I/O Pins and 1 Input-only Pin:
- High-current source/sink for direct LED drive
- Interrupt-on-pin change
- Individually programmable weak pull-ups
• A/D Converter:
- 8-bit resolution
- 12 channels
- Selectable Voltage reference
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1
- 16-bit timer/counter with prescaler
- External Gate Input mode with toggle and
single shot modes
- Interrupt-on-gate completion
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
• Capture, Compare, PWM module (CCP)
- 16-bit Capture, max resolution 12.5 ns
- 16-bit Compare, max resolution 250 ns
- 10-bit PWM, max frequency 15 kHz
• Addressable Universal Synchronous
Asynchronous Receiver Transmitter (AUSART)
• Synchronous Serial Port (SSP)
- SPI (Master/Slave)
-I
2
C
TM
(Slave) with Address Mask
TABLE 1: PIC16F720/721 AND PIC16LF720/721 FAMILY TYPES
Device
Program
Memory
Flash
(words)
SRAM
(bytes)
I/O
Timers
8/16-bit
8-bit A/D
(ch)
AUSART CCP SSP
PIC16F720 2048 128 18 2/1 12 Yes 1 1
PIC16F721 4096 256 18 2/1 12 Yes 1 1
PIC16LF720 2048 128 18 2/1 12 Yes 1 1
PIC16LF721 4096 256 18 2/1 12 Yes 1 1
20-Pin 8-Bit CMOS Flash Microcontroller Product Brief
