8051 Microcontroller

8051 microcontroller is designed by Intel in 1981. It is an 8-bit microcontroller. It is built with 40 pins DIP (dual inline package), 4kb of ROM storage and 128 bytes of RAM storage, 2 16-bit timers. It consists of are four parallel 8-bit ports, which are programmable as well as addressable as per the requirement.
8051 Microcontroller: Internals, Instructions, Programming and Interfacing through simple language, excellent graphical annotations and a large variety of solved examples. This book includes internal architecture of 8051, instructions with example