PIC18F26K20

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High-Performance RISC CPU

•  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 3936 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•  8 x 8 Single-Cycle Hardware Multiplier

Flexible Oscillator Structure

•  Precision 16 MHz Internal Oscillator Block:-  Factory calibrated to ± 1%-  Software selectable frequencies range of 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

Special Microcontroller Features

•  Operating Voltage Range: 1.8V to 3.6V•  Self-Programmable under Software Control•  Programmable 16-Level High/Low-Voltage Detection (HLVD) module:-  Interrupt on High/Low-Voltage Detection•  Programmable Brown-out Reset (BOR):-  With software enable option•  Extended Watchdog Timer (WDT):-  Programmable period from 4 ms to 131s•  Single-Supply 3V In-Circuit Serial Programming™ (ICSP™) via Two Pins•  In-Circuit Debug (ICD) via Two Pins

Extreme Low-Power Management with XLP

•  Sleep Mode: < 100 nA @ 1.8V•  Watchdog Timer: < 800 nA @ 1.8V•  Timer1 Oscillator: < 800 nA @ 32 kHz and 1.8V

Analog Features

•  Analog-to-Digital Converter (ADC) Module: -  10-bit resolution, 13 External Channels-  Auto-acquisition capability-  Conversion available during Sleep-  1.2V Fixed Voltage Reference (FVR) channel-  Independent input multiplexing•  Analog Comparator Module:-  Two rail-to-rail analog comparators-  Independent input multiplexing•  Voltage Reference (CVREF) Module -  Programmable (% VDD), 16 steps-  Two 16-level voltage ranges using VREF pins

Peripheral Highlights

•  Up to 35 I/O Pins plus 1 Input-only Pin:-  High-Current Sink/Source 25 mA/25 mA-  Three programmable external interrupts-  Four programmable interrupt-on-change-  Eight programmable weak pull-ups-  Programmable slew rate•  Capture/Compare/PWM (CCP) Module•  Enhanced CCP (ECCP) module:-  One, two or four PWM outputs-  Selectable polarity-  Programmable dead time-  Auto-shutdown and auto-restart•  Master Synchronous Serial Port (MSSP) Module-  3-wire SPI (supports all four modes)-I2C™ Master and Slave modes with address mask•  Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) Module:-  Supports RS-485, RS-232 and LIN-  RS-232 operation using internal oscillator-  Auto-Wake-up on Break-  Auto-Baud Detect