Microprocessor-II

Dos : File system, Boot record, FAT, Device drivers, Installable device drivers, Structure of device drivers, .com and .exe files. Basic I/O Interface : I/O port address decoding, 8255 : Programmable peripheral interface, 8254 : Programmable interval timer. Basic I/O Interface : 8251 : Programmable communication interface, The parallel printer interface (LPT), Interfacing 7-segment display, Stepper motor interfacing, Interfacing ADC and DAC, Disk reading method - FM, MFM, Introduction to CD recording, TSR programs : Concepts and implementation. Hardware Organization of PC : Motherboard component logic, I/O channels, Memory map, Interrupts, DMA channels, Reset logic, CPU nucleus logic, DMA logic, NMI logic, RAM, ROM logic, RTC, PC cards, Keyboard interface block diagram. CRT controller 8275, PC display adapters - CGA, EGA, VGA, SVGA, Principles of AGP. Bus Interface : The ISA bus, The extended ISA (EISA) and VESA local buses, The Peripheral Component Interconnect (PCI) bus, The Universal Serial Bus (USB), Floppy disk controller 8272, FDC system interface, Overall operation of floppy disk subsystem, Overview of hard disk controller organization, HDC commands. Microcontrollers : Different types of microcontrollers, 8051 microcontroller architecture, 8051 hardware feature, Input/output pins, Ports and circuits, External memory, Counters and timers, Serial data I/O, Interrupts, 8051 programming, Addressing modes.