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PIC18F27K40
  • PIC18F27K40
  • PIC18F27K40
  • PIC18F27K40
  • PIC18F27K40

PIC18F27K40

In Production

PIC18(L)F27K40 microcontrollers combine large Flash/EE/RAM memory, rich peripheral integration, XLP and 5V support to suit a variety of general purpose applications. These 28-pin devices deliver Core Independent Peripherals such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect and Peripheral Pin Select, providing for increased design flexibility and lower system cost.

Microchip Technology PIC18F27K40 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

128

RAM

3728

Data EEPROM (bytes)

1024

Pin Count

28

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

24

Zero Cross Detect

True

Number of Comparators

2

SPI

2

I2C

2

Stand alone PWM

2

Low Power

Yes

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

1

Features

  • PIC18 Core with 83 Instructions, 31 Stack Levels
  • Internal 64MHz oscillator
  • Operating Voltage Range:- ‘F’ Version (2.3V – 5.5V)- Low Power ‘LF’ variant (1.8V – 3.6V)
  • Temperature Range:- Industrial Version (-40C to 85C)- Extended Version (-40C to 125C)
  • 128 KB Flash Program Memory with self read/write capability
  • 3728 Bytes Data SRAM Memory
  • 1024 Bytes of EEPROM
  • 24 x 10-bit ADC channels
  • 1 x 5-bit DAC
  • 2 x Comparators
  • Fixed Voltage Reference (FVR) module - 1.024V, 2.048V and 4.096V output levels
  • Hardware Capacitive Voltage Divider (CVD) for mTouch buttons/sliders
  • 1 x Zero-Cross Detect
  • 2 x I2C/SPI
  • 2 x EUSART with LIN support
  • CRC with Memory Scan
  • Windowed Watchdog Timer (WWDT)
  • 1 x Hardware Limit Timer (HLT)
  • 1 x Complementary Waveform Generator
  • 2 x standalone 10-bit PWM modules
  • 2 x Capture/Compare/PWM modules
  • Three 8-bit Timers/Counters
  • Four 16-bit Timers/Counters
  • 1 x Hardware Limit Timer (HLT)
  • Extended Watchdog Timer (WDT)
  • eXtreme Low Power (XLP) technology
  • Doze, Idle, and Sleep Power Saving Operating Modes
  • Sleep mode: 50nA @ 1.8V, typical
  • Low Current Power-on Reset (POR)
  • Active mode: 32uA/MHz @ 1.8V, typical
  • Brown-out Reset (BOR)
  • Low-Power BOR (LPBOR)
  • Peripheral Pin Select
  • In-Circuit Debug Integrated On-Chip
  • In-Circuit Serial Programing (ICSP) via Two Pins

    • Description

    PIC18(L)F27K40 microcontrollers combine large Flash/EE/RAM memory, rich peripheral integration, XLP and 5V support to suit a variety of general purpose applications. These 28-pin devices deliver Core Independent Peripherals such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect and Peripheral Pin Select, providing for increased design flexibility and lower system cost.

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