Описание
This family offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Flash program memory. On top of these features, the PIC18F46K22 family introduces design enhancements that make these microcontrollers a logical choice for many highperformance, power sensitive applications.
- 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 Management PIC18(L)F2X/4XK22 with XLP:
- 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
