Product
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PIC16F1939
  • PIC16F1939
  • PIC16F1939
  • PIC16F1939
  • PIC16F1939
  • PIC16F1939
  • PIC16F1939

PIC16F1939

In Production

This versatile 40-pin MCU is also a member of Microchip's extreme low power microcontroller family featuring nanoWatt XLP technology. Debug Support • Integrated debug support on Device. No Debug Header is required • An optional external Debug Header, AC244035 or AC244036, is also available for Debugging support • Debug and Programming support is available via PICkit™ 3, and MPLAB® ® ICD 3 • For additional Debug Header Information, please refer to DS51292....

Microchip Technology PIC16F1939 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

28

RAM

1024

Data EEPROM (bytes)

256

Pin Count

40

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

14

Zero Cross Detect

False

Number of Comparators

2

SPI

1

I2C

1

Stand alone PWM

0

Low Power

Yes

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Features

  • Enhanced Mid-range Core with 49 Instruction, 16 Stack Levels
  • Flash Program Memory with self read/write capability
  • 96 LCD segment drive support
  • Internal 32MHz oscillator
  • Integrated Capacitive mTouch Sensing Module
  • Integrated Temperature Indicator
  • MI2C, SPI, EUSART w/auto baud
  • 3 ECCP & 2 CCP (Enhanced/Capture Compare PWM)
  • Comparators with selectable Voltage Reference
  • 14 Channel 10b ADC with Voltage Reference
  • 25mA Source/Sink current I/O
  • Four 8-bit Timers (TMR0/TMR2/TMR4/TMR6)
  • One 16-bit Timer (TMR1)
  • Extended Watchdog Timer (EWDT)
  • Enhanced Power-On/Off-Reset
  • Brown-Out Reset (BOR)
  • In Circuit Serial Programming (ICSP)
  • Wide Operating Voltage (1.8V – 5.5V)
  • Low Voltage PIC16LF1939 variant (1.8V – 3.6V)

Description

This versatile 40-pin MCU is also a member of Microchip's extreme low power microcontroller family featuring nanoWatt XLP technology. Debug Support • Integrated debug support on Device. No Debug Header is required • An optional external Debug Header, AC244035 or AC244036, is also available for Debugging support • Debug and Programming support is available via PICkit™ 3, and MPLAB® ® ICD 3 • For additional Debug Header Information, please refer to DS51292.

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