Microchip logo
Microchip logo
  • All
  • Products
  • Documents
  • Applications Notes
product primary image

PIC16F1938

Status: In Production

Features:

  • Enhanced Mid-range Core with 49 Instruction, 16 Stack Levels
  • Flash Program Memory with self read/write capability
  • 60 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
  • 11 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 PIC16LF1938 variant (1.8V – 3.6V)
View More
Overview
Documents
Development Environment
Similar Devices
RoHS Information
Buy Now

Device Overview

Summary

This versatile 28-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 <http: searchhome.aspx?id="2&q=DS51292"></http:>

For product comparison, please consider: PIC16F19156

Additional Features
    • Enhanced Mid-range Core with 49 Instruction, 16 Stack Levels
    • Flash Program Memory with self read/write capability
    • 60 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
    • 11 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 PIC16LF1938 variant (1.8V – 3.6V)
Parametrics
Name
Value
Program Memory Type
Flash
Program Memory Size (KB)
28
CPU Speed (MIPS/DMIPS)
8
SRAM Bytes
1,024
Data EEPROM/HEF (bytes)
256
Digital Communication Peripherals
1-UART, 1-SPI, 1-I2C1-MSSP(SPI/I2C)
Capture/Compare/PWM Peripherals
5 Input Capture, 2 CCP, 3 ECCP,
Timers
4 x 8-bit, 1 x 16-bit
ADC Input
11 ch, 10-bit
Number of Comparators
2
Segmented LCD
60
Temperature Range (C)
-40 to 125
Operating Voltage Range (V)
1.8 to 5.5
Pin Count
28
Low Power
Yes

Documents

Jump to:

Migration Guide

Programming Specification

Applications Source code

05/30/2017
3028KB
01/21/2016
684KB
01/21/2016
417KB

Product Line Card

Product Line Documents

04/21/2010
780KB

Development Environment

  • Demo & Evaluation Boards
  • Emulators & Debuggers
  • Programmers
  • Application Examples
Demo & Evaluation Boards
PICDEM LCD 2 DEMO BOARD
PICDEM LCD 2 DEMO BOARD ( DM163030 )

The PICDEM LCD 2 Demonstration Board (DM163030) shows the main features of Microchip’s 28, 40, 64 and 80-pin LCD Flash PIC microcontrollers including the LCD voltage booster and contrast controller. It is populated with the PIC18F87J90. Other devices are supported via a transition socket and are available separately. A sample LCD glass display is included for custom prototyping. The glass...

Learn More
Add To Cart
PICkit 28-Pin LIN Demo Board
PICkit 28-Pin LIN Demo Board ( DM164130-3 )

The 28 PIN LIN Demo board is a small and simple demo board which can be used to quickly start developing LIN based applications.

Learn More
Add To Cart
PIC16LF1947 PIM
PIC16LF1947 PIM ( MA160015 )

The PIC16LF1947 Plug-in Module (PIM) is an accessory to the PIC18 Explorer Board, PICDEM LCD2 Demonstration Board, & XLP 8-bit Evaluation Platform that allows users to evaluate and develop with the low power XLP PIC16LF193x/194x family of microcontrollers. Additionally, this provides a platform for general purpose development and gives you the ability to develop code for any...

Learn More
Add To Cart
PIC16F1947 PIM
PIC16F1947 PIM ( MA160016 )

The PIC16F1947 Plug-in Module (PIM) is an accessory to the PIC18 Explorer Board, PICDEM LCD2 Demonstration Board, & XLP 8-bit Development Platform that allows users to evaluate and develop with the PIC16F193x/194x family of microcontrollers. Additionally, this provides a platform for general purpose development and gives you the ability to develop code for any PIC12F1xxx/PIC16F1xxx...

Learn More
Add To Cart
Emulators & Debuggers
MPLAB PICkit 4 In-Circuit Debugger
MPLAB PICkit 4 In-Circuit Debugger ( PG164140 )

Fast programming, increased functionality, at the same price as its predecessor.


The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC® ,  dsPIC®, and CEC flash microcontrollers, using the powerful graphical user interface of MPLAB X Integrated Development Environment

...

Learn More
Add To Cart
MPLAB ICD 4 In-Circuit Debugger
MPLAB ICD 4 In-Circuit Debugger ( DV164045 )

The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), dsPIC® Digital Signal Controllers (DSCs), and CEC flash microcontrollers. This speed is provided by a SAME70 MCU with 300 MHz, 32-bit MCU with 2MB of RAM and a high-speed FPGA to yield faster

...

Learn More
Add To Cart
PICkit 3 In-Circuit Debugger
PICkit 3 In-Circuit Debugger ( PG164130 )
(Not Recommended for new design)

The PICkit 3 is not recommended for new designs. For new designs, please see the MPLAB PICKit 4.

Microchip’s PICkit™ 3 In-Circuit Debugger/Programmer uses in-circuit debugging logic incorporated into each chip with Flash memory to provide a low-cost hardware debugger and programmer. In-circuit

...


Learn More
Add To Cart
MPLAB ICD 3 In-Circuit Debugger
MPLAB ICD 3 In-Circuit Debugger ( DV164035 )
(Not Recommended for new design)

 The MPLAB ICD 3 is a mature product. For new designs, consider using the MPLAB ICD 4 (DV164045)

MPLAB® ICD 3 In-Circuit Debugger System is Microchip's most cost effective high-speed hardware debugger/programmer for Microchip Flash Digital Signal Controller (DSC) and microcontroller

...


Learn More
Add To Cart
MPLAB REAL ICE PROBE KIT
MPLAB REAL ICE PROBE KIT ( DV244005 )
(Not Recommended for new design)

MPLAB REAL ICE In-Circuit Emulator System is Microchip’s next generation high speed emulator for Microchip Flash DSC® and MCU devices. It debugs and programs PIC® and dsPIC® Flash microcontrollers with the easy-to-use but powerful graphical user interface of the MPLAB Integrated Development Environment (IDE), included with each kit.
The MPLAB REAL ICE probe is

...


Learn More
Add To Cart
Programmers
MPLAB PICkit 4 In-Circuit Debugger
MPLAB PICkit 4 In-Circuit Debugger ( PG164140 )

Fast programming, increased functionality, at the same price as its predecessor.


The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC® ,  dsPIC®, and CEC flash microcontrollers, using the powerful graphical user interface of MPLAB X Integrated Development Environment

...

Learn More
Add To Cart
MPLAB ICD 4 In-Circuit Debugger
MPLAB ICD 4 In-Circuit Debugger ( DV164045 )

The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), dsPIC® Digital Signal Controllers (DSCs), and CEC flash microcontrollers. This speed is provided by a SAME70 MCU with 300 MHz, 32-bit MCU with 2MB of RAM and a high-speed FPGA to yield faster

...

Learn More
Add To Cart
PICkit 3 In-Circuit Debugger
PICkit 3 In-Circuit Debugger ( PG164130 )
(Not Recommended for new design)

The PICkit 3 is not recommended for new designs. For new designs, please see the MPLAB PICKit 4.

Microchip’s PICkit™ 3 In-Circuit Debugger/Programmer uses in-circuit debugging logic incorporated into each chip with Flash memory to provide a low-cost hardware debugger and programmer. In-circuit

...

Learn More
Add To Cart
MPLAB PM3 Universal Device Programmer
MPLAB PM3 Universal Device Programmer ( DV007004 )

The MPLAB® PM3 Universal Device Programmer is easy to use and operates with a PC or as a stand-alone unit, and programs Microchip's entire line of PIC® devices as well as the latest dsPIC® DSC devices. When used standalone, data can be loaded and saved with the SD/MMC card (not included).

  • Socket: AC164302   PartNo: PIC16F1938 (28SO)
  • Socket: AC164301   PartNo: PIC16F1938 (28SP)
  • Socket: AC164307   PartNo: PIC16F1938 (28SS)
  • Socket: AC164322   PartNo: PIC16F1938 (28ML)
  • Socket: AC164345   PartNo: PIC16F1938 (28MV)
Learn More
Add To Cart
MPLAB ICD 3 In-Circuit Debugger
MPLAB ICD 3 In-Circuit Debugger ( DV164035 )
(Not Recommended for new design)

 The MPLAB ICD 3 is a mature product. For new designs, consider using the MPLAB ICD 4 (DV164045)

MPLAB® ICD 3 In-Circuit Debugger System is Microchip's most cost effective high-speed hardware debugger/programmer for Microchip Flash Digital Signal Controller (DSC) and microcontroller

...

Learn More
Add To Cart
MPLAB REAL ICE PROBE KIT
MPLAB REAL ICE PROBE KIT ( DV244005 )
(Not Recommended for new design)

MPLAB REAL ICE In-Circuit Emulator System is Microchip’s next generation high speed emulator for Microchip Flash DSC® and MCU devices. It debugs and programs PIC® and dsPIC® Flash microcontrollers with the easy-to-use but powerful graphical user interface of the MPLAB Integrated Development Environment (IDE), included with each kit.
The MPLAB REAL ICE probe is

...

Learn More
Add To Cart

Similar Devices

Product
Pins
Flash (KB)
RAM (B)
Price 5K
Notes
28
7
256
$1.23
LCD
40
7
256
$1.46
LCD
28
14
512
$1.30
LCD
40
14
512
$1.53
LCD
28
28
1,024
$1.37
LCD
40
28
1,024
$1.61
LCD
64
14
512
$1.75
LCD
64
28
1,024
$1.82
LCD

RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
PIC16F1938-E/SO
0.770400
1.370370
28
SOIC
.300in
Matte Tin
e3
PIC16F1938-I/SO
0.770400
1.370370
28
SOIC
.300in
Matte Tin
e3
PIC16F1938T-I/SO
0.770400
1.152500
28
SOIC
.300in
Matte Tin
e3
PIC16F1938-I/SP
2.087500
3.733333
28
SPDIP
.300in
Matte Tin
e3
PIC16F1938-E/SP
2.087500
3.733333
28
SPDIP
.300in
Matte Tin
e3
PIC16F1938-E/ML
0.101600
0.163934
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938-I/ML
0.101600
0.163934
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938T-I/ML
0.101600
0.332500
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938-E/MLVAO
0.101600
0.163934
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938T-E/MLVAO
0.101600
0.332500
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938T-I/MLVAO
0.101600
0.332500
28
QFN
6x6x0.9mm
Matte Tin
e3
PIC16F1938-E/SSVAO
0.229200
0.489362
28
SSOP
.209in
Matte Tin
e3
PIC16F1938T-E/SS
0.229200
0.333333
28
SSOP
.209in
Matte Tin
e3
PIC16F1938-I/SSVAO
0.229200
0.489362
28
SSOP
.209in
Matte Tin
e3
PIC16F1938T-I/SSVAO
0.229200
0.333333
28
SSOP
.209in
Matte Tin
e3
PIC16F1938T-E/SSVAO
0.229200
0.333333
28
SSOP
.209in
Matte Tin
e3
PIC16F1938-E/SS
0.229200
0.489362
28
SSOP
.209in
Matte Tin
e3
PIC16F1938-I/SS
0.229200
0.489362
28
SSOP
.209in
Matte Tin
e3
PIC16F1938T-I/SS
0.229200
0.333333
28
SSOP
.209in
Matte Tin
e3
PIC16F1938-E/MV
0.026100
0.109890
28
UQFN
4x4x0.55mm
Matte Tin
e3
PIC16F1938-I/MV
0.026100
0.109890
28
UQFN
4x4x0.55mm
Matte Tin
e3
PIC16F1938T-I/MV
0.026100
0.212121
28
UQFN
4x4x0.55mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

Buy from the Microchip Store

Grid
View
Table
View
Filter:
Apply
Clear
Only show products with samples
Product
Leads
Package Type
Temp Range
Packing Media
5K Pricing
Buy