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Name: PIC16F1938-I/ML
Brand: Microchip Technology
SKU: PIC16F1938-I/ML
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology PIC16F1938-I/ML

Part No.:: PIC16F1938-I/ML

Manufacturer:: Microchip Technology

Package:: 28-VQFN Exposed Pad

Datasheet:: PIC16F1938-I/ML.pdf

Description:: IC MCU 8BIT 28KB FLASH 28QFN

In Stock:: 3528

Quantity:: Add To Cart

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PIC16F1938-I/ML Specifications

Package/Case:
28-VQFN Exposed Pad
Packaging:
Tube
Series:
PIC® XLP™ 16F
RoHS:
RoHS
Speed:
32MHz
RAM Size:
1K x 8
Core Size:
8-Bit
EEPROM Size:
256 x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Connectivity:
I²C, LINbus, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
25
Core Processor:
PIC
Data Converters:
A/D 11x10b
Oscillator Type:
Internal
Program Memory Size:
28KB (16K x 14)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

PIC16F1938-I/ML this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC16F1938-I/ML price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PIC16F1938-I/ML to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PIC16F1938-I/ML information

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PIC16F1938-I/ML Typical application Circuitry

PIC16F1938-I ML

The PIC16F1938-I/ML is a microcontroller (MCU) from Microchip Technology, designed for versatility and efficiency in a wide range of applications. This part of the PIC16F family is particularly notable for its Enhanced Mid-range Core with 49 Instruction, 16 Stack Levels which provides a significant improvement over traditional 8-bit microcontrollers in terms of processing power and operational flexibility.

Key Features:

- Enhanced Mid-Range Core: Features a 14-bit instruction set for efficient operation and improved code density.

- Memory: Equipped with 32 KB of flash memory and 2 KB of RAM, suitable for a variety of applications without the need for external memory.

- I/O Ports: 36 I/O pins are available, offering a wide range of interface options.

- Analog-to-Digital Converter (ADC): Accurate analog signal capture is made possible by the 10-bit ADC, which has up to 17 channels.

- Timers and Communication Interfaces: Features various timers, as well as communication peripherals such as SPI, I2C, and USART, facilitating complex timing operations and peripheral communications.

Application Scenario - Home Automation System:

A practical application for the PIC16F1938-I/ML is in a home automation system. Convenience and energy efficiency can be achieved by using this system to manage lighting, security systems, and a variety of household equipment.

Circuit Connection Details:

- Power Supply Connection: Connect the VDD pins to a +5V source and the VSS pins to ground to power the PIC16F1938-I/ML.

- Relay Control for Appliances: Use digital I/O pins (e.g., RA0 to RA5) to control relays that turn appliances on and off. Each relay's coil is driven by a transistor switched by the MCU pin, with diodes across the coil to protect against back EMF.

- Temperature Sensor Interface: A temperature sensor, like the LM35, can be connected to one of the ADC input pins (e.g., AN0) to monitor room temperature for HVAC control.

- Programming Pins: The PGD (Program Data) and PGC (Program Clock) pins are utilized to program the PIC16F1938-I/ML. These are connected to a programmer, such as MPLAB ICD or PICkit, facilitating firmware uploading. The MCLR pin, used for resetting the MCU, is also connected to the programmer.

- UART Communication for Remote Access: The TX and RX pins of the USART module are connected to a UART-to-WiFi module, like the ESP8266.This makes it possible to use a smartphone app to remotely control the home automation system.

- I2C Sensors for Environmental Monitoring: Connect I2C sensors (e.g., for humidity or light intensity) to the SDA and SCL pins, enabling the system to adjust lighting or HVAC settings based on environmental conditions.

Design Considerations:

- Power Stability: Ensure stable power supply with decoupling capacitors near the PIC16F1938-I/ML's power pins to minimize noise and fluctuations.

- Relay Driver Protection: Include flyback diodes across the relay coils to protect the MCU and transistor drivers from voltage spikes.

- ADC Input Protection: Implement voltage limiting and filtering on the ADC inputs to protect the MCU from over-voltage and to reduce noise for accurate sensor readings.

- Firmware Update and Debugging Flexibility: Ensure that programming and debugging connections are accessible, even when the MCU is mounted on the final PCB, to facilitate easy updates and troubleshooting.

- Environmental Sensor Integration: When integrating I2C sensors, consider the placement and routing to minimize interference and ensure reliable data collection.

Through meticulous attention to these design elements, the PIC16F1938-I/ML can serve as the cornerstone of an efficient and versatile home automation system, illustrating the chip's adaptability and robustness in handling diverse applications.

PIC16F1938-I/ML FAQ

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3. Are the PIC16F1938-I/ML price and inventory displayed accurate?

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6. What is the process for return or replacement of PIC16F1938-I/ML?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PIC16F1938-I/ML we delivered, we will accept the replacement or return of the PIC16F1938-I/ML only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PIC16F1938-I/ML.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations