Chapter 9

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3 .MEMORY INTERFACE CIRCUIT
8088 minimum mode MIC block diagram- The address bus carries PA and selects which memory to be accessed- The data bus transfers data between 8088 and memory- The MIC is build from : Address Bus Latch, Data bus transceiver/latch ,address decoder-In case of 8088 additional bank write control logic and bank read controllogic is required
Page 3 and 4: 1 MEMORY CONTROLSIGNALS
Page 5 and 6: Memory Control Signals : Minumim Mo
Page 7 and 8: Memory Control Signals : Maximum Mo
Page 9 and 10: Read and write bus cycle
Page 11 and 12: Write Bus Cycle 8088- minmode
Page 13 and 14: T1 T2 T3 T48086 Write CycleCLK/S0,
Page 15: 8086 Read Cycle (1 Wait StateT1 T2
Page 19: Finally …. ( minimum ) 8086 or 80
Page 22: Address Latch circuit: = 74F3738 in
Page 25 and 26: Address bus with latch and Decoder
Page 27 and 28: Bank Write and Bank Read Control Lo
Page 29 and 30: Data Bus Transceiver Design ( 8086
Page 31 and 32: Note that G input is the control in
Page 33 and 34: 74LS 138 ( address decoder )
Page 35 and 36: 4. . MEMORY SUBSYSTEMSTypes of memo
Page 37 and 38: Primary and Secondary MemoryCompute
Page 39 and 40: Memory Hierarchy
Page 41: Memory DevicesROM MemoryROM permane
Page 45 and 46: Memory Connections: diagramAddress[
Page 47 and 48: ExampleEx 1. MC has 12 address pin
Page 49 and 50: 1) Address decoding using simple NA
Page 51 and 52: Semiconductor Memory Device Archite
Page 53: Address decoding using simple NAND
Page 56 and 57: Address decoding using a programmab
Page 58: Data integrity How to ensure data r
Page 62 and 63: Design a 1MB memory system consisti
Page 64: Memory Address Decoding Design a 1M

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