PIC16F819 - Microcontroller Microchip - Free user manual and instructions
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| Product Type | Microcontroller (MCU) |
| Brand | Microchip |
| Model | PIC16F819 |
| Category | Microcontroller |
| Package Type | 18-pin PDIP/SOIC/SSOP |
| Number of Pins | 18 |
| Program Memory (Flash) | 3.5 KB |
| RAM | 256 bytes |
| EEPROM | 256 bytes |
| Operating Voltage | 2.0V - 5.5V |
| Max Clock Speed | 20 MHz |
| ADC | 10-bit, 5 channels |
| Digital I/O Pins | 16 |
| Communication Interfaces | USART, SPI, I2C |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Analog Comparators | 2 |
| Programming Interface | ICSP |
| Operating Temperature | -40°C to +125°C |
| Power Consumption | <2 mA typical |
| Dimensions & Weight | 22.86 x 6.35 mm, 1.5 g |
| Maintenance & Cleaning | Handle with anti-static precautions; keep dry. |
| Safety | Operate within absolute maximum ratings. |
| Spare Parts & Repairability | Non-repairable; replace with identical IC. |
| General Information | High-performance 8-bit MCU with nanoWatt technology. |
Frequently Asked Questions - PIC16F819 Microchip
What is the Microchip PIC16F819 and what are its key features?
The PIC16F819 is an 8-bit microcontroller from Microchip. It features 3.5 KB Flash, 256 bytes RAM, 256 bytes EEPROM, a 10-bit ADC, two comparators, and multiple communication interfaces like USART, SPI, and I2C.
What is the operating voltage range of the PIC16F819?
The PIC16F819 operates from 2.0V to 5.5V, making it suitable for battery-powered and low-power applications.
How much program memory and RAM does the PIC16F819 have?
It provides 3.5 KB of Flash program memory and 256 bytes of SRAM. It also includes 256 bytes of EEPROM for data storage.
Can the PIC16F819 handle analog signals?
Yes, it includes a 10-bit Analog-to-Digital Converter (ADC) with 5 input channels, as well as two analog comparators for analog signal conditioning and comparison.
What communication interfaces are supported by the PIC16F819?
The device supports USART, SPI, and I2C communication protocols, allowing easy interfacing with sensors, displays, and other peripherals.
How do I program the PIC16F819?
Programming is done via In-Circuit Serial Programming (ICSP) using a compatible programmer/debugger such as MPLAB PICkit or ICD. The microcontroller can be programmed in-circuit or before soldering.
What is the maximum clock speed of the PIC16F819?
The maximum external crystal clock frequency is 20 MHz. It also features an internal oscillator up to 8 MHz, which is software tunable.
Does the PIC16F819 have an internal oscillator?
Yes, it includes a calibrated internal oscillator that can run up to 8 MHz, eliminating the need for an external crystal in many applications.
What is the operating temperature range of the PIC16F819?
The device is rated for an industrial temperature range from -40°C to +125°C, making it robust for harsh environments.
What are the power consumption characteristics of the PIC16F819?
The PIC16F819 features nanoWatt technology for low power consumption. In Sleep mode, it draws less than 1 μA, and it also has multiple low-power modes to extend battery life.
User questions about PIC16F819 Microchip
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USER MANUAL PIC16F819 Microchip
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Product information
Brand : Microchip
Model : PIC16F819
Category : Microcontroller