IV
Support Chips
Chapter Heads
22 Interfacing of I/O Devices
23 Intel 8259A—Programmable Interrupt Controller
24 Intel 8257—Programmable DMA Controller
25 Intel 8253—Programmable Interval Timer
26 Intel 8251A—Universal Synchronous Asynchronous Receiver Transmitter (USART)
27 Zilog Z-80 Microprocessor
28 Motorola M6800 Microprocessor
29 8051 Microcontroller
30 Advanced Topics In 8051
INTRODUCTION
This part comprises of Chaps. 22 to 30. In the previous part of the book, 8255 PPI, which is a very popular chip that is used for interfacing I/O devices, was described in detail. Theoretically any I/O device could be interfaced with the microprocessor using the 8255. However, interfacing functionally complex I/O devices, such as keyboard and seven-segment ...
Get The 8085 Microprocessor: Architecture, Programming and Interfacing now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.