AT73C212-CI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Processing
• Characteristics: High-performance, low-power consumption
• Package: Chip
• Essence: Advanced audio processing capabilities
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Manufacturer: ATmel Corporation
• Model Number: AT73C212-CI
• Technology: CMOS
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Clock Frequency: Up to 100 MHz
• Memory: 64KB Flash, 4KB SRAM
• Interfaces: I2C, SPI, UART, GPIO
• Audio Features: Stereo DAC, ADC, Audio DSP, Audio PLL

Detailed Pin Configuration

The AT73C212-CI has a total of 48 pins. Here is the detailed pin configuration:

1. VDDA: Analog Power Supply
2. VSSA: Analog Ground
3. VDDD: Digital Power Supply
4. VSSD: Digital Ground
5. XIN: Crystal Oscillator Input
6. XOUT: Crystal Oscillator Output
7. RESETB: Reset Input
8. IRQ: Interrupt Request Output
9. SDA: I2C Serial Data
10. SCL: I2C Serial Clock
11. MISO: SPI Master In Slave Out
12. MOSI: SPI Master Out Slave In
13. SCK: SPI Serial Clock
14. SS: SPI Slave Select
15. RXD: UART Receive Data
16. TXD: UART Transmit Data
17. RTS: UART Request to Send
18. CTS: UART Clear to Send 19-22: GPIO0-GPIO3 (General Purpose I/O) 23-30: ADC0-ADC7 (Analog-to-Digital Converter Inputs) 31-34: DAC0-DAC3 (Digital-to-Analog Converter Outputs) 35-38: HP0-HP3 (Headphone Outputs) 39-42: SPK0-SPK3 (Speaker Outputs) 43-46: MIC0-MIC3 (Microphone Inputs) 47: VREF: Reference Voltage Output 48: AGND: Analog Ground

Functional Features

The AT73C212-CI offers the following functional features:

1. Audio Processing: The integrated audio DSP provides advanced audio processing capabilities, allowing for various audio effects and enhancements.
2. Stereo DAC: The built-in stereo digital-to-analog converter ensures high-quality audio output.
3. ADC: The analog-to-digital converter enables the conversion of external audio signals into digital format for further processing.
4. Audio PLL: The integrated audio phase-locked loop ensures stable and accurate audio clock generation.
5. Communication Interfaces: The IC supports I2C, SPI, and UART interfaces for easy integration with other devices.
6. General Purpose I/O: Several GPIO pins are available for flexible configuration and control.

Advantages and Disadvantages

Advantages: - High-performance audio processing capabilities - Low-power consumption - Versatile communication interfaces - Compact chip package

Disadvantages: - Limited memory capacity compared to some alternative models - May require additional external components for certain applications

Working Principles

The AT73C212-CI operates by receiving audio input signals through the microphone inputs or external sources. These signals are then processed using the integrated audio DSP, which applies various audio effects and enhancements based on user-defined settings. The processed audio is then converted into analog format using the stereo DAC and can be outputted through the headphone or speaker outputs. The IC can also receive audio data through the UART, SPI, or I2C interfaces for further processing.

Detailed Application Field Plans

The AT73C212-CI is widely used in various audio processing applications, including but not limited to:

1. Portable Audio Devices: MP3 players, smartphones, and tablets.
2. Automotive Infotainment Systems: Car audio systems, navigation systems.
3. Home Entertainment Systems: Soundbars, home theater systems.
4. Communication Devices: VoIP phones, conference systems.
5. Industrial Audio Applications: Public address systems, intercoms.

Detailed and Complete Alternative Models

1. AT73C213-CI: Similar to AT73C212-CI with expanded memory capacity (128KB Flash, 8KB SRAM).
2. AT73C214-CI: Enhanced version with additional audio processing algorithms and features.
3. AT73C215-CI: Higher clock frequency variant for demanding audio applications.

These alternative models offer increased capabilities and may be suitable for specific requirements beyond what the AT73C212-CI provides.

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