PIC16F785 Data sheet

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  PIC16F785/HV785 20-Pin Flash-Based 8-Bit CMOS MCU with Two-Phase Asynchron (9/9/2008)


High-Performance RISC CPU:
• Only 35 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
• Interrupt Capability
• 8-Level Seep Hardware Stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
• Precision Internal Oscillator:
- Factory calibrated to ±1%
- Software selectable frequency range of
8 MHz to 32 kHz
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for
power savings
• Power-Saving Sleep mode
• Wide Operating Voltage Range (2.0V-5.5V)
• Industrial and Extended Temperature Range
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
• Brown-out Reset (BOR) with Software Control
Option
• Enhanced Low-Current Watchdog Timer (WDT)
with on-chip Oscillator (software selectable
nominal 268 seconds with full prescaler) with
Software Enable
• Multiplexed Master Clear with Pull-up/Input Pin
• Programmable Code Protection
• High-Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
Low-Power Features:
• Standby Current:
- 30 nA @ 2.0V, typical
• Operating Current:
-8.5 μA @ 32 kHz, 2.0V, typical
-100 μA @ 1 MHz, 2.0V, typical
• Watchdog Timer Current:
-1 μA @ 2.0V, typical
• Timer1 Oscillator Current:
-2 μA @ 32 kHz, 2.0V, typical
Peripheral Features:
• High-Speed Comparator module with:
- Two independent analog comparators
- Programmable on-chip voltage reference
(CVREF) module (% of VDD)
- 1.2V band gap voltage reference
- Comparator inputs and outputs externally
accessible
- < 40 ns propagation delay
- 2 mv offset, typical
• Operational Amplifier module with 2 independent
Op Amps:
- 3 MHz GBWP, typical
- All I/O pins externally accessible
• Two-Phase Asynchronous Feedback PWM
module:
- Complementary output with programmable
dead band delay
- Infinite resolution analog duty cycle
- Sync Output/Input for multi-phase PWM
-FOSC/2 maximum PWM frequency
• A/D Converter:
- 10-bit resolution and 14 channels (2 internal)
• 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
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Option to use OSC1 and OSC2 in LP mode
as Timer1 oscillator, if INTOSC mode
selected
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
• Capture, Compare, PWM module:
- 16-bit Capture, max resolution 12.5 ns
- Compare, max resolution 200 ns
- 10-bit PWM with 1 output channel, max
frequency 20 kHz
• In-Circuit Serial ProgrammingTM (ICSPTM) via two
pins
• Shunt Voltage Regulator (PIC16HV785 only):
- 5 volt regulation
- 4 mA to 50 mA shunt range


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