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Manufacturer Part #


PIC18 Series 16 kB Flash 768 B RAM 48 MHz 8-Bit Microcontroller - SSOP-20

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code: 2053
Product Specification Section
Technical Attributes
Attributes Table
Family Name: PIC18
Core Processor: PIC
Program Memory Type: Flash
Flash Size (Bytes): 16kB
RAM Size: 768B
Speed: 48MHz
No of I/O Lines: 15
InterfaceType / Connectivity: I2C/SPI/USART/USB
Peripherals: Analog Comparators/I2C/On-Chip-ADC/PWM/SPI/USART/USB/Watchdog
Number Of Timers: 4
Supply Voltage: 1.8V to 3.6V
Operating Temperature: -40°C to +85°C
On-Chip ADC: 11-chx10-bit
Watchdog Timers: 1
Package Style:  SSOP-20
Mounting Method: Surface Mount
Features & Applications
The PIC18LF14K50-I/SS is a part of PIC18LF series 8-bit Microcontroller. It has 16 Kbytes of Flash Program Memory in a 20 Pin SSOP package. It has an industrial temperature range from -40°C to +85°C.

The PIC18F14K50 brings advanced features and exceptional value to the embedded USB market. This low cost PIC® Microcontroller features a full speed USB 2.0 compliant interface that can automatically change clock sources and power levels upon connection to a host, making it an exceptional device for battery-powered applications. The addition of mTouch(TM) touch sensing compatibility, a 10-bit ADC, motor control PWMs, and a host of serial interfaces make the PIC18F14K50 the perfect device to "Just add USB" to any application.


  • Universal Serial Bus Features:
    • USB V2.0 Compliant SIE
    • Full Speed (12 Mb/s) and Low Speed (1.5 Mb/s)
    • Supports Control, Interrupt, Isochronous and Bulk Transfers
    • Supports up to 16 Endpoints (8 bidirectional)
  • 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 768 bytes linear data memory addressing
    • Priority levels for Interrupts
    • 8 x 8 Single-Cycle Hardware Multiplier
  • Flexible Oscillator Structure:
    • CPU divider to run the core slower than the USB peripheral
    • 16 MHz Internal Oscillator Block:
      • Software selectable frequencies, 31 kHz to 16 MHz
      • Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL
      • User tunable to compensate for frequency drift
    • Four Crystal modes, up to 48 MHz
    • External Clock modes, up to 48 MHz
  • Special Microcontroller Features:
    • Full 5.5 V Operation – PIC18F1XK50
    • 1.8 V-3.6 V Operation – PIC18LF1XK50
    • Self-programmable under Software Control
    • Programmable Brown-out Reset (BOR)
      • With software enable option
    • Extended Watchdog Timer (WDT)
      • Programmable period from 4ms to 131s
    • Single-supply 3 V In-Circuit Serial Programming™ (ICSP™) via two pins
  • Extreme Low-Power Management with nanoWatt XLP:
    • Sleep mode: 24 nA
    • Watchdog Timer: 450 nA
    • Timer1 Oscillator: 790 nA @ 32 kHz
  • Analog Features:
    • Analog-to-Digital Converter (ADC) module:
      • 10-bit resolution, 9 external channels
      • Auto acquisition capability
      • Conversion available during Sleep
      • Internal 1.024 V Fixed Voltage Reference (FVR) channel
      • Independent input multiplexing
    • Dual Analog Comparators
      • Rail-to-rail operation
      • Independent input multiplexing
  • Peripheral Features:
    • 14 I/O Pins plus 1 Input-only pin:
      • High-current sink/source 25 mA/25 mA
      • 7 Programmable weak pull-ups
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