深圳芯片解密研究所长期专业提供各类MCU单片机解密、专用IC芯片解密、PLD芯片解密、SPLD芯片解密、FPGA/CPLD芯片解密等解密服务以及所有芯片解密相关技术转让与咨询服务。
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AT89C51SND1C 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 (FMAX = 20 MHz)
2304 Bytes of Internal RAM
64K Bytes of Code Memory
-AT89C51SND1C: Flash (100K Erase/Write Cycles)
-AT83SND1C: ROM
4K Bytes of Boot Flash Memory (AT89C51SND1C)
-ISP: Download from USB (standard) or UART (option)
External Code Memory
-AT80C51SND1C: ROMless
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
2 Standard 16-bit Timers/Counters
Hardware Watchdog Timer
Standard Full Duplex UART with Baud Rate Generator
Two Wire 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, BGA81, PLCC84 (Development Board)
-Dice
