AT83C51SND1C Datasheet, PDF (1/47 Pages) ATMEL Corporation – Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface

Features
• MPEG I/II-Layer 3 Hardwired Decoder
– Stand-alone MP3 Decoder
– 48, 44.1, 32, 24, 22.05, 16 kHz Sampling Frequency
– Separated Digital Volume Control on Left and Right Channels (Software Control
Using 31 Steps)
– Bass, Medium, and Treble Control (31 Steps)
– Bass Boost Sound Effect
– Ancillary Data Extraction
– “CRC Error” and “MPEG Frame Synchronization” Indicators
• Programmable Audio Output for Interfacing With Common Audio DAC
– PCM Format Compatible
– I²S Format Compatible
• 8-bit MCU C51 Core Based (F_MAX = 20 MHz)
• 2304 Bytes of Internal RAM
• 64K Bytes of Code Memory
– Flash: AT89C51SND1C, ROM: AT83C51SND1C
• 4K Bytes of Boot Flash Memory (AT89C51SND1C)
– ISP: Download from USB or UART to Any External Memory Cards
• USB Rev 1.1 Controller
– “Full Speed” Data Transmission
• Built-in PLL
– MP3 Audio Clocks
– USB Clock
• MultiMedia Card™ Interface Compatibility
• Atmel DataFlash^® SPI Interface Compatibility
• IDE/ATAPI Interface
•2 Channels 10-bit ADC, 8 kHz (8-True Bit)
– Battery Voltage Monitoring
– Voice Recording Controlled by Software
• Up to 44 bits of General-purpose I/Os:
– 4-bit Interrupt Keyboard Port for a 4 x n Matrix
– SmartMedia™ Software Interface
• Standard Two 16-bit Timers/Counters
• Hardware Watchdog Timer
• Standard Full Duplex UART with Baud Rate Generator
• Two Wire Interface (TWI) Master and Slave Modes Controller
• SPI Master and Slave Modes Controller
• Power Management
– Power-on Reset
– Software Programmable MCU Clock
– Idle Mode, Power-down Mode
• Operating Conditions:
– 3V, ±10%, 25 mA Typical Operating at 25°C
– Temperature Range: -40°C to +85°C
• Packages
– TQFP80, PLCC84 (Development Board)
– Dice
Single-Chip
Microcontroller
with MP3
Decoder and
Man-Machine
Interface
AT83C51SND1C
AT89C51SND1C
Preliminary
Summary
Description
The AT8xC51SND1C are fully integrated stand-alone hardwired MPEG I/II-Layer 3
decoders with a C51 microcontroller core handling data flow and MP3-player control.
The AT89C51SND1C includes 64K Bytes of Flash memory and allows In-System Pro-
gramming through an embedded 4K Bytes of Boot Flash Memory.
Rev. 4106F–8051–10/02