- 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
- 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
- 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
- Analog-to-Digital Converter (ADC) module:
- 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
- Charge Time Measurement Unit (CTMU) for mTouch™ support:
- Up to 28 channels for button, sensor or slider input
- Analog comparator module with:
- Two rail-to-rail analog comparators
- Comparator inputs and outputs externally accessible and configurable
- Voltage reference module with:
- Programmable On-chip Voltage Reference (CVREF) module (% of VDD)
- Selectable on-chip fixed voltage reference
- 24/35 I/O pins and 1 input-only pin:
- 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 seven Timer modules:
- 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
- Up to three Enhanced Capture/Compare/PWM (ECCP) modules with:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and Auto-restart
- PWM output steering control
- Two Master Synchronous Serial Port (MSSP) modules with two modes of operation:
- 3-wire SPI (supports all 4 SPI modes)
- I2C™ Master and Slave modes (Slave mode with address masking)
- Two Enhanced Universal Synchronous Asynchronous Receiver Transmitter modules (EUSART):
- Supports RS-232, RS-485 and LIN 2.0
- Auto-Baud Detect
- Auto Wake-up on Start bit
Parameter NameValueProgram Memory TypeFlashProgram Memory (KB)64CPU Speed (MIPS)16RAM Bytes3,896Data EEPROM (bytes)1024Digital Communication Peripherals2-UART, 2-A/E/USART, 2-SPI, 2-I2C2-MSSP(SPI/I2C)Capture/Compare/PWM Peripherals2 CCP, 3 ECCPTimers3 x 8-bit, 4 x 16-bitADC17 ch, 10-bitComparators2Temperature Range (C)-40 to 125Operating Voltage Range (V)1.8 to 5.5Pin Count28XLPYesCap Touch Channels17
Parameter Name
Value
Program Memory Type
Flash
Program Memory (KB)
64
CPU Speed (MIPS)
16
RAM Bytes
3,896
Data EEPROM (bytes)
1024
Digital Communication Peripherals
2-UART, 2-A/E/USART, 2-SPI, 2-I2C2-MSSP(SPI/I2C)
Capture/Compare/PWM Peripherals
2 CCP, 3 ECCP
Timers
3 x 8-bit, 4 x 16-bit
ADC
17 ch, 10-bit
Comparators
2
Temperature Range (C)
-40 to 125
Operating Voltage Range (V)
1.8 to 5.5
Pin Count
28
XLP
Yes
Cap Touch Channels
17