8-bit PICmicro microcontroller, 32 KB, 64 MHz, DIP-40

PIC18(L)F2X/4XK22

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 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
- 8 x 8 Single-Cycle Hardware Multiplier

Flexible Oscillator Structure:
- 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 Features:
- 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

eXtreme Low-Power Features (XLP) (PIC18(L)F2X/4XK22):
- Sleep mode: 20 nA, typical
- Watchdog Timer: 300 nA, typical
- Timer1 Oscillator: 800 nA @ 32 kHz
- Peripheral Module Disable

Special Microcontroller Features:
- 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)

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
- 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 Master Synchronous Serial Port (MSSP) modules:
- 3-wire SPI (supports all 4 modes)
- I2C Master and Slave 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