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Questions and Answers
How many I/O ports does the PPI 8255 consist of and what is their configuration?
How many I/O ports does the PPI 8255 consist of and what is their configuration?
The PPI 8255 consists of three 8-bit bidirectional I/O ports, totaling 24 I/O lines. These ports can be configured as per the specific requirement.
What is the power supply requirement for the PPI 8255 device?
What is the power supply requirement for the PPI 8255 device?
The PPI 8255 operates in a +5V regulated power supply.
Explain the function of the PPI 8255 device.
Explain the function of the PPI 8255 device.
PPI 8255 is a general purpose programmable I/O device designed to interface the CPU with external components such as ADC, DAC, and keyboards. It can be programmed according to specific requirements and used with various microprocessors.
