DAC0830 Digital to Analog Converter: The DAC0830 Digital to Analog Converter is an advanced CMOS 8-bit DAC designed to interface directly with the 8080, 8048, 8085, Z80, and other popular…
8279 Keyboard Display Controller Interfacing with 8085: Fig. 14.98 shows the 8279 Keyboard Display Controller Interfacing with 8085 in I/O mapped I/O technique. Here RD and WR signals are activated…
8259 Programmable Interrupt Controller: The 8259 Programmable Interrupt Controller requires two types of command words. Initialization Command Words (ICWs) and Operational Command Words (OCWs). The 8259 Programmable Interrupt Controller can…
Interfacing 8259 with 8085: Fig. 14.72 shows Interfacing 8259 with 8085 microprocessor system. Addressing of 8259A : The 74LS138 address decoder will assert the CS input of the 8259A when…
Features of 8259 Programmable Interrupt Controller: The Features of 8259 Programmable Interrupt Controller are 1. It can manage eight priority interrupts. This is equivalent to providing eight interrupt pins on the…
Interfacing 8251 with 8085: Fig. 14.44 shows the Interfacing 8251 with 8085 in I/O mapped I/O technique. Here, RD and WR signals are activated by CPU when IO/M signal is…
Motorola 68000 Articles: Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola’s first 16-bit microprocessor. The 68000 is not program compatible with Motorola’s family of 8-bit microprocessors. For the designing…
Exceptions Types of Motorola 68000: Exception means an interrupt processing. Like 8086, Exceptions Types of Motorola 68000 also uses a jump vector table to transfer program control to the appropriate…