PIC16(L)F1946/47
64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with
LCD Driver and XLP Technology
High-Performance RISC CPU
PIC16LF1946/47 Low-Power Features
• Only 49 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 32 MHz oscillator/clock input
- DC – 125 ns instruction cycle
• Up to 16K x 14 Words of Flash Program Memory
• Up to 1024 Bytes of Data Memory (RAM)
• Interrupt Capability with Automatic Context
Saving
• 16-Level Deep Hardware Stack
• Direct, Indirect and Relative Addressing modes
• Processor Read Access to Program Memory
• Standby Current:
- 60 nA @ 1.8V, typical
• Operating Current:
- 7.0 A @ 32 kHz, 1.8V, typical
- 35 A/MHz, 1.8V, typical
• Timer1 Oscillator Current:
- 600 nA @ 32 kHz, 1.8V, typical
• Low-Power Watchdog Timer Current:
- 500 nA @ 1.8V, typical
Special Microcontroller Features
• Precision Internal Oscillator:
- Factory-calibrated to ±1%, typical
- Software-selectable frequency range from
32 MHz to 31 kHz
• Power-Saving Sleep mode
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
• Brown-out Reset (BOR):
- Selectable between two trip points
- Disable in Sleep option
• 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
• Wide Operating Voltage Range:
- 1.8V-5.5V (PIC16F1946/47)
- 1.8V-3.6V (PIC16LF1946/47)
2010-2016 Microchip Technology Inc.
Peripheral Features
• 54 I/O Pins (One Input-only pin):
- High-current source/sink for direct LED drive
- Individually programmable Interrupt-on-pin
change pins
- Individually programmable weak pull-ups
• Integrated LCD Controller:
- Up to 184 segments
- Variable clock input
- Contrast control
- Internal voltage reference selections
• Capacitive Sensing (CSM) Module (mTouch®):
- 17 selectable channels
• A/D Converter:
- 10-bit resolution and 17 channels
- Selectable 1.024/2.048/4.096V voltage
reference
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1:
- Dedicated low-power 32 kHz oscillator driver
- 16-bit timer/counter with prescaler
- External Gate Input mode with toggle and
single shot modes
- Interrupt-on-gate completion
• Timer2, 4, 6: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
• Two Capture, Compare, PWM Modules (CCP):
- 16-bit Capture, max. resolution 125 ns
- 16-bit Compare, max. resolution 125 ns
- 10-bit PWM, max. frequency 31.25 kHz
• Three Enhanced Capture, Compare, PWM
Modules (ECCP):
- Three PWM time-base options
- Auto-shutdown and auto-restart
- PWM steering
- Programmable dead-band delay
DS40001414E-page 1
