PIC18F46K22 Microcontroller: Features, Pinout, and Datasheet

The PIC18F46K22 is a Microcontroller, high computational performance with the addition of high-endurance, flash program memory. On top of these features, introduce design enhancements that make these microcontrollers a logical choice for many high-performance and power-sensitive applications.

Symbol

Footprint

3D Model

(1) 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

(2) 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 a safe shutdown if the peripheral clock stops

- Two-Speed Oscillator Start-up

(3) 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

(4) eXtreme Low-Power Features (XLP)

• Sleep mode: 20 nA, typical

• Watchdog Timer: 300 nA, typical

• Timer1 Oscillator: 800 nA @ 32 kHz

• Peripheral Module Disable

(5) 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 the 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)

(6) 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 the address mask

• Two Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) modules:

- Supports RS-485, RS-232 and LIN

- RS-232 operation using the internal oscillator

- Auto-Wake-up on Break

- Auto-Baud Detect

Functional Block Diagram

Low-Voltage Programming

• High-Performance RISC CPU

• Flexible Oscillator

• Secondary Oscillator

• Fail-Safe Clock Monitor

• Digital-to-Analog Converter (DAC)

• SR Latch

Microchip Technology Inc., is a leader that provides microcontroller and analog semiconductors. They mainly serve different fields of customers applications around the world. It is a leading provider of smart, connected and secure embedded control solutions. Its easy-to-use development tools and comprehensive product portfolio enable customers to create optimal designs, which reduce risk while lowering total system cost and time to market.

The company's solutions serve more than 120,000 customers across the industrial, automotive, consumer, aerospace and defense, communications and computing markets. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.