AT90S1200-12YI

Product Overview

Category

The AT90S1200-12YI belongs to the category of microcontrollers.

Use

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

Characteristics

• Low power consumption
• High-performance RISC architecture
• In-system programmable
• 8-bit AVR microcontroller
• 1K bytes of in-system programmable Flash memory
• 32 general-purpose working registers
• 32 x 8 general-purpose SRAM
• 16 general-purpose I/O lines
• 8-channel, 10-bit ADC
• Two 8-bit Timer/Counters with separate prescaler and compare mode
• One 16-bit Timer/Counter with separate prescaler, compare mode, and capture mode
• Programmable Watchdog Timer with separate on-chip oscillator
• On-chip analog comparator
• Interrupt and wake-up on pin change
• Enhanced power-on reset circuit
• Programmable Brown-out detection circuit
• Internal calibrated RC oscillator
• External and internal interrupt sources
• Six sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

Package

The AT90S1200-12YI is available in a 20-pin plastic dual in-line package (PDIP).

Essence

The essence of the AT90S1200-12YI microcontroller lies in its ability to provide efficient control and processing capabilities in a compact form factor.

Packaging/Quantity

The AT90S1200-12YI is typically packaged in reels containing 250 units per reel.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Maximum CPU Frequency: 12 MHz
• Flash Memory Size: 1K bytes
• SRAM Size: 32 x 8 bytes
• EEPROM Size: 64 bytes
• Number of I/O Lines: 16
• ADC Resolution: 10-bit
• Number of Timers/Counters: 3
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT90S1200-12YI microcontroller 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: Port B, Bit 0
6. PORTB1: Port B, Bit 1
7. PORTB2: Port B, Bit 2
8. PORTB3: Port B, Bit 3
9. PORTB4: Port B, Bit 4
10. VCC: Power Supply
11. PORTD0: Port D, Bit 0
12. PORTD1: Port D, Bit 1
13. PORTD2: Port D, Bit 2
14. PORTD3: Port D, Bit 3
15. PORTD4: Port D, Bit 4
16. PORTD5: Port D, Bit 5
17. PORTD6: Port D, Bit 6
18. PORTD7: Port D, Bit 7
19. AVCC: Analog Power Supply
20. AREF: Analog Reference Voltage

Functional Features

The AT90S1200-12YI microcontroller offers several functional features that enhance its usability and performance. These include:

• In-system programmability for easy updates and modifications
• High-performance RISC architecture for efficient processing
• Low power consumption for extended battery life
• On-chip analog comparator for precise voltage comparisons
• Programmable Watchdog Timer for system reliability
• Multiple sleep modes for power-saving operation
• Interrupt and wake-up on pin change for event-driven applications

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• In-system programmability allows for easy updates and modifications.
• High-performance RISC architecture enables efficient processing.
• Multiple sleep modes provide power-saving options.

Disadvantages

• Limited Flash memory size (1K bytes) may restrict the complexity of programs that can be stored.
• Limited number of I/O lines (16) may limit the connectivity options for certain applications.

Working Principles

The AT90S1200-12YI microcontroller operates based on the principles of a high-performance RISC architecture. It executes instructions stored in its Flash memory, processes data using its working registers and SRAM, and interacts with external devices through its I/O lines. The microcontroller can be programmed and updated in-system, allowing for flexibility and adaptability in