AT90S1200A-4YI

Product Overview

Category

The AT90S1200A-4YI belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• Low-power consumption
• High-performance RISC architecture
• In-system programmable flash memory
• 8-bit AVR microcontroller
• 1K bytes of in-system programmable flash program memory
• 32 bytes of internal SRAM
• 32 general-purpose working registers
• Fully static operation
• Up to 12 MIPS throughput at 12 MHz
• On-chip 2-cycle multiplier
• Programmable serial USART
• Master/slave SPI serial interface
• Byte-oriented two-wire serial interface
• Programmable watchdog timer with internal oscillator
• Internal calibrated RC oscillator
• External and internal interrupt sources
• Five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
• 20-pin package

Packaging/Quantity

The AT90S1200A-4YI is available in a 20-pin plastic dual in-line package (PDIP).

Specifications

• Operating Voltage: 2.7V - 5.5V
• Maximum CPU Frequency: 12 MHz
• Flash Program Memory: 1K bytes
• SRAM: 32 bytes
• EEPROM: None
• I/O Pins: 15
• Timers/Counters: 1 x 8-bit, 1 x 16-bit
• Analog-to-Digital Converter (ADC): 4 channels, 10-bit resolution
• Communication Interfaces: USART, SPI, Two-wire Serial Interface

Detailed Pin Configuration

The AT90S1200A-4YI has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. RESET: Reset Input
2. XTAL1: Crystal Oscillator Input 1
3. XTAL2: Crystal Oscillator Output 2
4. GND: Ground
5. PORTB0: General Purpose I/O Pin
6. PORTB1: General Purpose I/O Pin
7. PORTB2: General Purpose I/O Pin
8. PORTB3: General Purpose I/O Pin
9. PORTB4: General Purpose I/O Pin
10. VCC: Supply Voltage
11. PORTD0: General Purpose I/O Pin
12. PORTD1: General Purpose I/O Pin
13. PORTD2: General Purpose I/O Pin
14. PORTD3: General Purpose I/O Pin
15. PORTD4: General Purpose I/O Pin
16. PORTD5: General Purpose I/O Pin
17. PORTD6: General Purpose I/O Pin
18. PORTD7: General Purpose I/O Pin
19. AVCC: Analog Supply Voltage
20. AREF: Analog Reference Voltage

Functional Features

The AT90S1200A-4YI microcontroller offers several functional features that make it suitable for a wide range of applications. Some of the key features include: - In-system programmable flash memory allows for easy updates and modifications of the program code. - Low-power consumption enables energy-efficient operation in battery-powered devices. - High-performance RISC architecture provides fast and efficient execution of instructions. - Multiple communication interfaces (USART, SPI, Two-wire Serial Interface) facilitate data exchange with other devices. - On-chip 2-cycle multiplier enhances computational capabilities. - Various sleep modes enable power-saving operation when the device is idle or not actively processing.

Advantages and Disadvantages

Advantages: - Low-power consumption extends battery life in portable devices. - In-system programmable flash memory allows for easy updates and modifications. - High-performance RISC architecture provides efficient execution of instructions. - Multiple communication interfaces enable versatile connectivity options.

Disadvantages: - Limited program memory (1K bytes) may restrict the complexity of applications. - Lack of EEPROM limits non-volatile data storage capabilities. - Relatively small number of I/O pins may limit the number of external devices that can be connected.

Working Principles

The AT90S1200A-4YI operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, processes data, and interacts with external devices through its I/O pins and communication interfaces. The microcontroller's internal components, such as the CPU, memory, and peripherals, work together to perform various tasks according to the program code.

Detailed Application Field Plans

The AT90S1200A-4YI microcontroller finds applications in various fields, including but not limited to: - Home automation systems - Industrial control systems - Consumer electronics - Robotics - Automotive electronics