DS80C310-MCG【DSP】，好东西，喜欢的朋友可以下载来学习。

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PRELIMINARY DS80C310 HighSpeed Micro PACKAGE OUTLINE wwwmaximiccom FEATURES 80C32compatible 8051 pin and instruction setcompatible Full duplex serial port Three 16bit timercounters 256 bytes scratchpad RAM Multiplexed addressdata bus Addresses 64 kB ROM and 64 kB RAM HighSpeed Architecture 4 clocksmachine cycle 8051 12 Runs DC to 33 MHz clock rates Singlecycle instruction in 121 ns Dual data pointer Optional variable length MOVX to access fastslow RAM......