PIC16C621AT-20I/SS

Product Overview

Category

The PIC16C621AT-20I/SS belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems for controlling and processing data.

Characteristics

• Low power consumption
• High performance
• Small form factor
• Wide operating voltage range
• Integrated peripherals for enhanced functionality

Package

The PIC16C621AT-20I/SS is available in a SSOP (Shrink Small Outline Package) package, which provides compactness and ease of integration into circuit boards.

Essence

The essence of the PIC16C621AT-20I/SS lies in its ability to provide efficient control and processing capabilities in a small and low-power package.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.5V - 5.5V
• Clock Speed: 20 MHz
• Flash Memory: 1.75 KB
• RAM: 128 bytes
• I/O Pins: 12
• ADC Channels: 4
• Timers: 1 x 8-bit, 1 x 16-bit
• Communication Interfaces: SPI, I2C, UART

Detailed Pin Configuration

The PIC16C621AT-20I/SS has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0 - General-purpose I/O pin
3. RA1 - General-purpose I/O pin
4. RA2 - General-purpose I/O pin
5. RA3 - General-purpose I/O pin
6. RA4 - General-purpose I/O pin
7. MCLR - Master Clear input
8. VSS - Ground
9. OSC1/CLKIN - Oscillator input
10. OSC2/CLKOUT - Oscillator output
11. RC0 - General-purpose I/O pin
12. RC1 - General-purpose I/O pin
13. RC2 - General-purpose I/O pin
14. RC3 - General-purpose I/O pin
15. RC4 - General-purpose I/O pin
16. RC5 - General-purpose I/O pin
17. RB0/INT - General-purpose I/O pin/External interrupt input
18. RB1 - General-purpose I/O pin
19. RB2 - General-purpose I/O pin
20. VDD - Power supply voltage

Functional Features

The PIC16C621AT-20I/SS microcontroller offers the following functional features:

1. Central Processing Unit (CPU) - Executes instructions and performs data processing tasks.
2. Flash Memory - Stores program code and allows for in-system programming.
3. Random Access Memory (RAM) - Provides temporary storage for data during program execution.
4. Analog-to-Digital Converter (ADC) - Converts analog signals into digital values for processing.
5. Timers - Enables precise timing functions and event triggering.
6. Communication Interfaces - Facilitates communication with other devices using SPI, I2C, and UART protocols.
7. General-Purpose Input/Output (GPIO) Pins - Allows interfacing with external components and peripherals.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Compact form factor enables integration into space-constrained designs.
• Wide operating voltage range provides flexibility in various power supply scenarios.
• Integrated peripherals reduce the need for external components, saving cost and board space.

Disadvantages

• Limited program memory and RAM may restrict the complexity of applications.
• Lack of advanced features compared to more modern microcontrollers.
• Limited availability and support due to being an older model.

Working Principles

The PIC16C621AT-20I/SS operates based on the principles of a Harvard architecture microcontroller. It follows a fetch-decode-execute cycle, where instructions are fetched from program memory, decoded, and executed by the CPU. The microcontroller interacts with external components through its I/O pins, utilizing its integrated peripherals for various tasks such as analog-to-digital conversion, timing, and communication.

Detailed Application Field Plans

The PIC16C621AT-20I/SS finds application in a wide range of fields, including but not limited to:

1. Consumer Electronics - Remote controls, smart home devices, and portable audio players.
2. Industrial Automation - Control systems for machinery, sensors, and actuators.
3. Automotive - Dashboard displays, engine control units, and lighting systems.
4. Medical Devices - Patient monitoring equipment, infusion pumps, and diagnostic tools.
5. Internet of Things (IoT) - Connected devices, sensor nodes, and wearable technology.