8-bit PICmicro microcontroller, 14 KB, 32 MHz, QFN-16

PIC16F1825/9 , 14/20-Pin Flash Microcontrollers

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 16 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

Special Microcontroller Features
- 1.8V-5.5V Operation - PIC16F1825/9
- 1.8V-3.6V Operation - PIC16LF1825/9
- 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)
- Programmable Code Protection
- Power-Saving Sleep mode

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

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