PIC18F14K22-I/SO Microcontrollers MCU 16KBFlash 512byteRAM 256bytes EEPROM I2C MSSP SPI USART

High-Performance RISC CPU

• C Compiler Optimized Architecture:

- Optional extended instruction set designed to optimize re-entrant code

• 256 bytes Data EEPROM

• Up to 16 Kbytes Linear Program Memory Addressing

• Up to 512 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%

- 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

Analog Features

• Analog-to-Digital Converter (ADC) module

- 10-bit resolution, 12 channels

- Auto-acquisition capability

- Conversion available during Sleep

• Analog Comparator module:

- Two rail-to-rail analog comparators

- Independent input multiplexing

- Inputs and outputs externally accessible

• Voltage Reference module:

- Fixed Voltage Reference (FVR) with 1.024V, 2.048V and 4.096V output levels

- 5-bit rail-to-rail resistive Digital-to-Analog Converter (DAC) with positive and negative reference selection Peripheral Highlights

• 17 I/O Pins and 1 Input-only Pin:

- High current sink/source 25 mA/25 mA

- Programmable weak pull-ups

- Programmable interrupt-on- change

- Three external interrupt pins

• Four Timer modules:

- Three 16-bit timers/counters with prescaler

- One 8-bit timer/counter with 8-bit period register, prescaler and postscaler

- Dedicated, low-power Timer1 oscillator

• Enhanced Capture/Compare/PWM (ECCP) module:

- One, two or four PWM outputs

- Selectable polarity

- Programmable dead time

- Auto-shutdown and Auto-restart

- PWM output steering control

• Master Synchronous Serial Port (MSSP) module

- 3-wire SPI (supports all four SPI modes)

- I2C Master and Slave modes (Slave mode address masking)

• Enhanced Universal Synchronous Asynchronous Receiver Transmitter module (EUSART)

- Supports RS-232, RS-485 and LIN 2.0

- Auto-Baud Detect

- Auto Wake-up on Break

• SR Latch (555 Timer) module with:

- Configurable inputs and outputs

- Supports mTouch® capacitive sensing application