PIC18(L)F2X/4XK22
28/40/44-Pin, Low-Power, High-Performance
Microcontrollers with XLP Technology
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 Address-
ing
• 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
eXtreme Low-Power Features (XLP)
(PIC18(L)F2X/4XK22):
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Sleep mode: 20 nA, typical
Watchdog Timer: 300 nA, typical
Timer1 Oscillator: 800 nA @ 32 kHz
Peripheral Module Disable
Special Microcontroller Features:
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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)
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
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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)
- I
2
C Master and Slave modes with address
mask
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
2010-2016 Microchip Technology Inc.
DS40001412G-page 1
PCB Design
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