00321nam a22001097a 4500020001800000040000900018082001600027100002400043110004700067245007200114650002500186  a9788131710265  cNUST  a004.16bMAZ  aMuhammad Ali Mazidi  aJanice Gillispie Mazidi, Rolin D. Mckinlay  aThe 8051 Microcontroller and Embedded SystemsbUsing Assembly and C  aUsing Assembly and C