8251 Block Diagram in Microprocessor: Fig. 14.37 shows the 8251 Block Diagram in Microprocessor. It includes : Data bus buffer, Read/Write control logic, modem control, Transmit buffer, Transmit Control, Receiver…
8255 Interfacing with 8086: Fig. 14.17 shows the 8255 Interfacing with 8086 Microprocessor and Interfacing 8255 with 8085 Microprocessor in I/O mapped I/O technique. Here RD and WR signals are…
Process Control Instructions in 8086: The Process Control Instructions in 8086 are namely, STC CLC CMC STD CLD STI CLI STC Instruction : This instruction sets the carry flag, STC…
Arithmetic Instructions in 8086: Arithmetic Instructions in 8086 are follows a) Addition Instructions : ADD ADC INC AAA DAA ADD/ADC Instruction : ADD destination, source / ADC destination, source. These…
8086 Addressing Modes: We have seen how the 8086 fetches code bytes from memory by generating 20-bit physical address with the help of IP and CS. We have also seen…
Input Output Transfer Techniques: In Input Output Transfer Techniques, the system requires the transfer of data between external circuitry and the microprocessor. In this section, we will discuss different ways…
Input Output Interfacing Techniques: The most of the microprocessors support isolated I/O system. It partitions memory from I/O, via software, by having instructions that specifically access (address) memory, and others…
Classification of Transmission Lines: Classification of Transmission Lines are usually classified as Lines with no loss or ideal lines, Lines without distortion or distortion less lines Lines with small losses,…