W78E516D单片机解密实例

　　W78E516D单片机解密等W78系列芯片解密是橙盒科技拥有成熟解密方案、可提供高效可靠的优质解密服务的典型芯片系列。橙盒科技是目前国内最权威的芯片解密技术研究机构之一，本研究所长期针对各种疑难IC芯片解密进行技术攻关，目前，不仅在简单单片机解密领域的技术相当成熟，而且针对多个系列的疑难型芯片解密，我们均已经有成熟的解密方案。
　　W78E516D单片机解密是橙盒科技目前成功破解的典型单片机之一，下面是关于W78E516D单片机的主要性能特征介绍，可供广大客户参考借鉴。
　　The W78E516D/W78E058D series is an 8-bit microcontroller which has an in-system programmable Flash EPROM for on-chip firmware updating.
　　The instruction set of the W78E516D/W78E058D is fully compatible with the standard 8052. The W78E516D/W78E058D series contains a 64K/32K bytes of main Flash EPROM and a 4K bytes of auxiliary Flash EPROM which allows the contents of the 64K/32K bytes main Flash EPROM to be updated by the loader program located in the 4K bytes Flash EPROM; a 256 bytes of SRAM; 256 bytes of AUXRAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port. These peripherals are supported by an 8 sources 2-level interrupt capability. To facilitate programming and verification, the Flash EPROM inside the W78E516D/W78E058D series allows the program memory to be programmed and read electronically. Once the code is confirmed, the user can protect the code for security.
　　The W78E516D/W78E058D series microcontroller has two power reduction modes, idle mode and power-down mode, both of which are software selectable. The idle mode turns off the processor clock but allows for continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power consumption. The external clock can be stopped at any time and in any state without affecting the processor.
　　Fully static design 8-bit CMOS microcontroller ( up to 40MHz )
　　Optional 12T or 6T mode
　　Wide supply voltage of 2.4 to 5.5V
　　Max operation frequency up to 40Mhz@12T mode
　　64K/32K bytes of in-system programmable FLASH EPROM for Application Program(APROM)
　　4K bytes of auxiliary FLASH EPROM for Loader Program(LDROM)
　　Low standby current at full supply voltage
　　512 bytes of on-chip RAM. (includ e 256 bytes of AUX-RAM, software selectable)
　　64K bytes program memory address space and 64K bytes data memory address space
　　Four 8-bit bi-directional ports with high sink current for LED driver
　　One 4-bit multipurpose programmable port, additional INT2/ INT3
　　Support Watch Dog Timer
　　Three 16-bit timer/counters
　　One full duplex serial port
　　8 -sources, 2-level interrupt capability
　　Software Reset
　　Built-in power management with idle mode and power down mode
　　Code protectioncy
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