Last updated on June 13th, 2020 at 08:31 pm Addressing 5 ROM Chips, Each of 4 KB Using 74LS138 Decoder:
Month: June 2011
How can we interface the microprocessor with analog world? Explain with necessary figure.
Last updated on June 13th, 2020 at 08:31 pmInterfacing the Microprocessor with Analog World: As computer used digital binary values
How can you control LEDs using microprocessor via 82C55A PPI? Draw the interface diagram & write the necessary assembly codes.
Last updated on June 13th, 2020 at 08:31 pmControlling LEDs Using Microprocessor VIA 82C55A: Using the 82C55A, we can control
What are the purpose of using command byte A and command byte B on 82C55A? Explain with suitable example.
Last updated on June 13th, 2020 at 08:31 pm Purpose of Using Command Byte A: Command byte A is used
What will be the arrangement of ports on 82C55A PPI for the following bit format of command byte A, 10000010
Last updated on June 13th, 2020 at 08:31 pmThe given bit format is as follows, 7 6 5 4 3
What will be the bit format of command byte A in 82C55A PPI for these arrangement, (i) Mode 0, Port A as input, port B and port C as output. (ii) Mode 1, port A as output, port B as input.
Last updated on June 13th, 2020 at 08:31 pm(i) Required Bit Format of command byte A:
Draw the command byte A and command byte B of 82C55A PPI.
Last updated on June 13th, 2020 at 08:31 pmCommand Byte A and Command Byte B:
Draw the pin-out diagram of 82C55A PPI. How many modes you can select on 82C55A PPI? Explain.
Last updated on June 13th, 2020 at 08:31 pmPin-Out Diagram of 82C55A: I/O Ports: It has three I/O ports, A,
What is handshaking? Write a suitable example for handshaking with necessary assembly codes.
Last updated on June 13th, 2020 at 08:31 pm Handshaking: Handshaking is a I/O control method to synchronize I/O devices
Write the differences between Isolated I/O and Memory Mapped I/O.
Last updated on June 13th, 2020 at 08:31 pm Memory Mapped I/O and Isolated I/O are two methods of performing input-output
