AT90S1200A-12SI

Product Overview

Category

The AT90S1200A-12SI 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 8-bit RISC architecture
• Flash memory for program storage
• EEPROM for non-volatile data storage
• In-system programmable
• Wide operating voltage range
• Multiple communication interfaces

Package

The AT90S1200A-12SI is available in a Small-Outline Integrated Circuit (SOIC) package.

Essence

The essence of this microcontroller lies in its ability to provide efficient control and processing capabilities in a compact and versatile package.

Packaging/Quantity

The AT90S1200A-12SI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Microcontroller Architecture: 8-bit RISC
• Operating Voltage Range: 2.7V to 5.5V
• Flash Memory Size: 1KB
• EEPROM Size: 64 bytes
• CPU Speed: 12 MHz
• Number of I/O Pins: 12
• Communication Interfaces: SPI, UART
• Timers/Counters: 2
• Analog-to-Digital Converter (ADC): 4 channels, 10-bit resolution
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT90S1200A-12SI microcontroller has a total of 20 pins, which are assigned specific functions for input/output, power supply, and programming. The pin configuration is as follows:

1. RESET: Reset pin for initializing the microcontroller.
2. XTAL1: Crystal oscillator input pin.
3. XTAL2: Crystal oscillator output pin.
4. VCC: Power supply voltage input (2.7V to 5.5V).
5. GND: Ground reference. 6-17. I/O Pins: General-purpose input/output pins.
6. ADC0: Analog-to-Digital Converter input channel 0.
7. ADC1: Analog-to-Digital Converter input channel 1.
8. AVCC: Analog power supply voltage input for the ADC.

Functional Features

The AT90S1200A-12SI microcontroller offers several functional features that enhance its usability and performance:

1. In-system programmability allows for easy firmware updates without removing the microcontroller from the circuit.
2. Flash memory provides non-volatile program storage, ensuring program integrity even during power loss.
3. The integrated EEPROM allows for storing critical data that needs to be retained across power cycles.
4. Multiple communication interfaces (SPI, UART) enable seamless integration with other devices and systems.
5. The built-in analog-to-digital converter facilitates measurement and processing of analog signals.
6. Timers/counters offer precise timing and event counting capabilities.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Compact size and versatile package allow for easy integration into various electronic designs.
• In-system programmability simplifies firmware updates and debugging.
• Wide operating voltage range enables compatibility with different power sources.
• Multiple communication interfaces provide flexibility in connecting with external devices.

Disadvantages

• Limited program and data memory compared to more advanced microcontrollers.
• Relatively low number of I/O pins may restrict the complexity of connected peripherals.
• Lack of advanced features found in higher-end microcontrollers.

Working Principles

The AT90S1200A-12SI microcontroller operates based on an 8-bit Reduced Instruction Set Computer (RISC) architecture. It executes instructions stored in its flash memory, which are fetched and processed by the central processing unit (CPU). The microcontroller interacts with external devices through its I/O pins and communication interfaces. It can perform tasks such as data processing, control logic, and interfacing with sensors or actuators.

Detailed Application Field Plans

The AT90S1200A-12SI microcontroller finds applications in various fields, including:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Consumer electronics
5. Medical devices
6. Internet of Things (IoT) devices
7. Robotics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the AT90S1200A-12SI microcontroller. Some notable alternatives include:

1. ATmega8: Higher memory capacity and additional features.
2. PIC16F877A: Enhanced peripherals and larger program memory.
3. STM32F103C8T6: 32-bit ARM Cortex-M3 core with advanced features.
4. MSP430G2553: Ultra-low power consumption and