PIC18LF44K22-I/PT

Key features

• C Compiler Optimized Architecture: Optional extended instruction set designed to optimize re-entrant code
• Up to 1024 Bytes Data EEPROM
• Up to 64 Kbytes Linear Program Memory Addressing
• Up to 3896 Bytes Linear Data Memory Addressing
• Up to 16 MIPS Operation
• 16-bit Wide Instructions, 8-bit Wide Data Path
• Priority Levels for Interrupts
• 31-Level, Software Accessible Hardware Stack
• 8x8 Single-Cycle Hardware Multiplier
• Precision 16 MHz Internal Oscillator Block: Factory-calibrated to ±1%; Selectable frequencies, 31 kHz to 16 MHz; 64 MHz performance available using PLL – no external components required
• Four Crystal modes up to 64 MHz
• Two External Clock modes up to 64 MHz
• 4x Phase Lock Loop (PLL)
• Secondary Oscillator using Timer1 ⨂32 kHz
• Fail-Safe Clock Monitor: Allows for safe shutdown if peripheral clock stops; Two-Speed Oscillator Start-up
• Analog-to-Digital Converter (ADC) module: 10-bit resolution, up to 30 external channels; Auto-acquisition capability; Conversion available during Sleep; Fixed Voltage Reference (FVR) channel; Independent input multiplexing
• Analog Comparator module: Two rail-to-rail analog comparators; Independent input multiplexing
• Digital-to-Analog Converter (DAC) 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
• Charge Time Measurement Unit (CTMU) module: Supports capacitive touch sensing for touch screens and capacitive switches
• Sleep mode: 20 nA, typical
• Watchdog Timer: 300 nA, typical
• Timer1 Oscillator: 800 nA @ 32 kHz
• Peripheral Module Disable
• 2.3V to 5.5V Operation – PIC18FXXK22 devices
• 1.8V to 3.6V Operation – PIC18LFXXK22 devices
• Self-Programmable under Software Control
• High/Low-Voltage Detection (HLVD) module: Programmable 16-Level; Interrupt on High/Low-Voltage Detection
• Programmable Brown-out Reset (BOR): With software enable option; Configurable shutdown in Sleep
• Extended Watchdog Timer (WDT): Programmable period from 4 ms to 131s
• In-Circuit Serial Programming (ICSP): Single-Supply 3V
• In-Circuit Debug (ICD)
• Up to 35 I/O Pins plus One Input-Only Pin: High-Current Sink/Source 25 mA/25 mA; Three programmable external interrupts; Four programmable interrupt-on-change; Nine programmable weak pull-ups; Programmable slew rate
• SR Latch: Multiple Set/Reset input options
• Two Capture/Compare/PWM (CCP) modules
• Three Enhanced CCP (ECCP) modules: One, two or four PWM outputs; Selectable polarity; Programmable dead time; Auto-Shutdown and Auto-Restart; PWM steering
• Two Host Synchronous Serial Port (MSSP) modules: 3-wire SPI (supports all four modes); I²C Host and Client modes with address mask
• Two Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) modules: Supports RS-485, RS-232 and LIN; RS-232 operation using internal oscillator; Auto-Wake-up on Break; Auto-Baud Detect