High-Performance RISC CPU:
• 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 8 Kbytes Linear Program Memory Addressing
• Up to 1024 bytes Linear Data Memory Addressing
• Interrupt Capability with automatic context saving
• 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
   - Two full 16-bit File Select Registers (FSRs)
   - FSRs can read program and data memory

Flexible Oscillator Structure:
• Precision 32 MHz Internal Oscillator Block:
   - Factory calibrated to ± 1%, typical
   - Software selectable frequencies range of 31 kHz to 32 MHz
• 31 kHz Low-Power Internal Oscillator
• Four Crystal modes up to 32 MHz
• Three External Clock modes up to 32 MHz
• 4X Phase Lock Loop (PLL)
• Fail-Safe Clock Monitor:
   - Allows for safe shutdown if peripheral clock stops
• Two-Speed Oscillator Start-up
• Reference Clock Module:
   - Programmable clock output frequency and duty-cycle

Special Microcontroller Features:
• 1.8V-5.5V Operation – PIC16F1825/1829
• 1.8V-3.6V Operation – PIC16LF1825/1829
• Self-Programmable under Software Control
• Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Programmable Brown-out Reset (BOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Operating Voltage Range:
   - 1.8V-5.5V (PIC16F1825/1829)
   - 1.8V-3.6V (PIC16LF1825/1829)
• Programmable Code Protection
• Power-Saving Sleep mode

Extreme Low-Power Management
PIC16LF1825/1829 with nanoWatt XLP:
• Sleep mode: 20 nA
• Watchdog Timer: 500 nA
• Timer1 Oscillator: 600 nA @ 32 kHz

Analog Features:
• Analog-to-Digital Converter (ADC) Module:
   - 10-bit resolution, up to 12 channels
   - Auto acquisition capability
   - Conversion available during Sleep
• Analog Comparator Module:
   - Two rail-to-rail analog comparators
   - Power mode control
   - Software controllable hysteresis
• Voltage Reference Module:
   - Fixed Voltage Reference (FVR) with 1.024V, 2.048V and 4.096V output levels
   - 5-bit rail-to-rail resistive DAC with positive and negative reference selection Peripheral Highlights:
• Up to 17 I/O Pins and 1 Input Only Pin:
   - High current sink/source 25 mA/25 mA
   - Programmable weak pull-ups
   - Programmable interrupt-on-change pins
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
   - 16-bit timer/counter with prescaler
   - External Gate Input mode
   - Dedicated, low-power 32 kHz oscillator driver
• Three Timer2-types: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler
• Two Capture, Compare, PWM (CCP) Modules
• Two Enhanced CCP (ECCP) Modules:
   - Software selectable time bases
   - Auto-shutdown and auto-restart
   - PWM steering
• Up to two Master Synchronous Serial Port (MSSP) with SPI and I2CTM with:
   - 7-bit address masking
   - SMBus/PMBusTM compatibility
• Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) Module
• mTouch™ Sensing Oscillator Module:
   - Up to 12 input channels
• Data Signal Modulator Module:
   - Selectable modulator and carrier sources
• SR Latch:
   - Multiple Set/Reset input options
   - Emulates 555 Timer applications