📝 A/D Converter Using D/A Converter and Software in 8085 Microprocessor

Q1. A DMA controller must transfer 512 bytes from memory address 3000H using channel 0. Which sequence correctly loads the terminal count register (TC)?

💡 Difficulty: easy | ✅ Correct: A

Q2. To initialize channel 1 for a write operation of 2 K bytes starting at address 2100H, which values must be written to the Mode Set Register (MSR) assuming bit D6 selects write direction?

💡 Difficulty: medium | ✅ Correct: C

Q3. If a system mistakenly writes the MS byte of the terminal count before the LS byte, what erroneous count will the DMA controller use for a desired count of 0x0A3F?

💡 Difficulty: hard | ✅ Correct: A