Manufacturer Part Number
AT89C51SND1C-ROTUL
Manufacturer
Microchip Technology
Introduction
The AT89C51SND1C-ROTUL is an 8-bit embedded microcontroller from Microchip Technology's 89C series, designed specifically for advanced audio and voice applications.
Product Features and Performance
Core Processor: 80C51, 8-Bit
Speed: 40MHz
High connectivity featuring I2C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB
Integrated peripherals supporting Audio, I2S, MP3, PCM playback, Power-on Reset (POR), Watchdog Timer (WDT)
Program Memory: 64KB FLASH
RAM: 2.25KB
Number of I/O: 44
Dual 10-bit Analog-to-Digital Converters
External Oscillator Type
Product Advantages
High-speed operation at 40MHz enabling efficient processing of audio data
Versatile connectivity options suitable for multimedia applications
Optimized for audio applications with integrated audio playback features
Ample program memory facilitating complex audio processing tasks
Low voltage operation (2.7V ~ 3.3V), suitable for battery-powered devices
Key Technical Parameters
Core Size: 8-Bit
Speed: 40MHz
Program Memory Size: 64KB (64K x 8)
RAM Size: 2.25K x 8
Voltage Supply (Vcc/Vdd): 2.7V ~ 3.3V
Data Converters: A/D 2x10b
Temperature Range: -40°C ~ 85°C (TA)
Package: 80-LQFP
Quality and Safety Features
Power-on Reset (POR) ensures reliable operation upon power-up
Watchdog Timer (WDT) prevents system hang-up in the malfunctioning software scenario
Compatibility
Compatible with a broad range of external components through versatile I/O options and connectivity interfaces
Application Areas
Designed for embedded audio processing applications
Ideal for multimedia devices, advanced audio playback and recording devices
Product Lifecycle
Product Status: Obsolete
While this model is now obsolete, Microchip Technology often provides replacements or upgrades for phased-out products
Several Key Reasons to Choose This Product
Tailored for advanced audio processing with integrated MP3, PCM playback capabilities
Extensive connectivity options for flexible design integration
High-speed operation and ample memory for complex audio applications
Low power consumption suitable for battery-operated devices
Comprehensive quality and safety features ensuring reliable operation