Description

• C Compiler optimized architecture/instruction set
• Data EEPROM to 1024 bytes
• Linear program memory addressing to 64 Kbytes
• Linear data memory addressing to 4 Kbytes
• 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
• Sleep mode: 100 nA, typical
• Watchdog Timer: 500 nA, typical
• Timer1 Oscillator: 500 nA @ typical 32 kHz Flexible Oscillator Structure
• 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
• Allows for safe shutdown if peripheral clock stops
• Two-Speed Oscillator Start-up
• Full 5.5V operation (PIC18F2XK22/4XK22)
• Low voltage option available for 1.8V-3.6V operation (PIC18LF2XK22/4XK22)
• Self-reprogrammable 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) with on-chip oscillator and software enable
• Programmable code protection
• In-Circuit Serial Programming™ (ICSP™) via two pins
• In-Circuit Debug via two pins
• 10-bit resolution
• 17 analog input channels (PIC18F/LF2XK22)
• 28 analog input channels (PIC18F/LF4XK22)
• Auto acquisition capability
• Conversion available during Sleep
• Programmable High/Low Voltage Detection (PLVD) module
• Up to 28 channels for button, sensor or slider input
• Two rail-to-rail analog comparators
• Comparator inputs and outputs externally accessible and configurable
• Programmable On-chip Voltage Reference (CVREF) module (% of VDD)
• Selectable on-chip fixed voltage reference
• High current sink/source 25 mA/25 mA
• Individually programmable weak pull-ups
• Individually programmable interrupt-on-pin change
• Three external interrupt pins
• Up to four 16-bit timers/counters with prescaler
• Up to three 8-bit timers/counters
• Dedicated, low-power Timer1 oscillator
• Up to two Capture/Compare/PWM (CCP) modules
• One, two or four PWM outputs
• Selectable polarity
• Programmable dead time
• Auto-shutdown and Auto-restart
• PWM output steering control
• 3-wire SPI (supports all 4 SPI modes)
• I2C™ Master and Slave modes (Slave mode with address masking)
• Supports RS-232, RS-485 and LIN 2.0
• Auto-Baud Detect
• Auto Wake-up on Start bit