邦凯科技长期专业提供各类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。
　　我们采用国际上先进的IC专业检测设备及算法研究软件，可准确了解各类IC芯片及单片机核心架构和指令代码，可将芯片内程序代码完整导出，并可在已有代码的基础上进行反向解析与探讨，为掌握单片机新颖设计思路、进行产品可行性研究及竞争信息分析提供完整解决方案。
　　有AT89C51SND1C解密需求者请直接与我们联系：

　　芯片解密咨询热线：086-0755-83003639
　　E-mail：market2@pcblab.net

　　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