Podcast
Questions and Answers
What is the range of addresses for locations in microprocessor systems?
What is the range of addresses for locations in microprocessor systems?
- 0 to 4096
- 0 to 255
- 0 to 65535 (correct)
- 0 to 1024
Which type of memory is commonly used for storing programs and data in a computer?
Which type of memory is commonly used for storing programs and data in a computer?
- ROM
- NVRAM
- EEPROM
- RAM (correct)
What does EPROM stand for?
What does EPROM stand for?
- Erasable-Persistent Random Only Memory
- Electrically Programmable Read Only Memory
- Efficient Programmable Read Only Memory
- Erasable-Programmable Read Only Memory (correct)
How is an interface defined in the context of microprocessor systems?
How is an interface defined in the context of microprocessor systems?
What does a decoding circuit do in the context of microprocessors?
What does a decoding circuit do in the context of microprocessors?
What is the purpose of matching memory requirements with microprocessor signals in interfacing?
What is the purpose of matching memory requirements with microprocessor signals in interfacing?
What is the purpose of address decoding in interfacing circuits?
What is the purpose of address decoding in interfacing circuits?
Why is it necessary to have an appropriate address decoding strategy?
Why is it necessary to have an appropriate address decoding strategy?
How does address decoding contribute to selecting the right device in a system?
How does address decoding contribute to selecting the right device in a system?
In what way is memory space not homogenous even if it is flat?
In what way is memory space not homogenous even if it is flat?
Why is it essential for one and only one memory-mapped component to be accessed for a given valid address?
Why is it essential for one and only one memory-mapped component to be accessed for a given valid address?
What is the maximum addressable space in this example?
What is the maximum addressable space in this example?
Where do the RAM chips come in relation to the ROM chip in the memory map?
Where do the RAM chips come in relation to the ROM chip in the memory map?
What is the size of each RAM chip in this example?
What is the size of each RAM chip in this example?
Where does the memory map start for these chips?
Where does the memory map start for these chips?
What does the symbol $ signify in the memory address values provided?
What does the symbol $ signify in the memory address values provided?
How are the address bus lines split in a microprocessor?
How are the address bus lines split in a microprocessor?
In the example microprocessor with 10 address lines, how many chips are needed if each chip is 128 bytes?
In the example microprocessor with 10 address lines, how many chips are needed if each chip is 128 bytes?
How many address lines are required to select each of the 8 chips in the microprocessor example?
How many address lines are required to select each of the 8 chips in the microprocessor example?
In Full Address Decoding strategy, how are the address lines utilized?
In Full Address Decoding strategy, how are the address lines utilized?
What is the purpose of Partial Address Decoding in generating chip select signals?
What is the purpose of Partial Address Decoding in generating chip select signals?
How many address lines are needed to address each internal memory cell in the 128x8 memory chips example?
How many address lines are needed to address each internal memory cell in the 128x8 memory chips example?
What do X's represent in Partial Address Decoding?
What do X's represent in Partial Address Decoding?
How are unused address lines filled in Partial Address Decoding?
How are unused address lines filled in Partial Address Decoding?
What is the purpose of Partial Address Decoding?
What is the purpose of Partial Address Decoding?
In Partial Address Decoding, what happens when an address line is marked with X (don't care)?
In Partial Address Decoding, what happens when an address line is marked with X (don't care)?
What is the significance of 'don't cares' in memory addressing?
What is the significance of 'don't cares' in memory addressing?
Why are 'don't cares' used in Partial Address Decoding?
Why are 'don't cares' used in Partial Address Decoding?
Flashcards
Memory Address Range
Memory Address Range
The set of possible memory locations a microprocessor can access.
RAM
RAM
Random Access Memory; commonly used to store programs and data.
EPROM
EPROM
Erasable Programmable Read-Only Memory.
Interface (Microprocessor)
Interface (Microprocessor)
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Decoding Circuit (Microprocessor)
Decoding Circuit (Microprocessor)
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Matching Memory/Microprocessor Signals
Matching Memory/Microprocessor Signals
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Address Decoding
Address Decoding
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Address Decoding Strategy
Address Decoding Strategy
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Address Decoding and Device Selection
Address Decoding and Device Selection
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Non-Homogenous Memory
Non-Homogenous Memory
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Unique Component Access
Unique Component Access
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Addressable Space (Maximum)
Addressable Space (Maximum)
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RAM Before ROM
RAM Before ROM
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RAM Chip Size
RAM Chip Size
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Memory Map Starting Point
Memory Map Starting Point
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Hexadecimal
Hexadecimal
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Address Bus Splitting
Address Bus Splitting
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Address Lines and Chips Needed
Address Lines and Chips Needed
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Lines to Select Each Chip
Lines to Select Each Chip
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Full Address Decoding
Full Address Decoding
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Partial Address Decoding
Partial Address Decoding
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Partial Address Decoding Chip Select
Partial Address Decoding Chip Select
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Internal Memory Cell Address Lines
Internal Memory Cell Address Lines
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Don't Cares (X)
Don't Cares (X)
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Don't Cares in Partial Address Decoding
Don't Cares in Partial Address Decoding
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Don't Care Purpose
Don't Care Purpose
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Partial Address Decoding Significance
Partial Address Decoding Significance
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