Flashcards
Digital Circuits
Cards in this deck (10)
- 1Addressing modes of 80851) Immediate
2) Register
3) Direct
4) Indirect
5) Implied - 2Data transfer instructions1) MOV
2) MVI
3)LXI
4)STA
5)LDA
6)LHLD
7)SHLD
8)STAX
9)LDAX
10)XCHG - 3Add & Subtract1)ADD,ADI,
ADC,ACI,
DAD
2)SUB,SUI,
SBB,SBI - 41)INR/DCR r 2)INR/DCR M 3)INX/DCX1) M=1,T =4
2) M=3,T=10
3) M=1,T=6 - 5Interrupts 1)RST 0 to 7 2)RST 5.5 to 7.5 3) TRAP1) 0000H to 0038H; ++8H
2) 2CH to 3CH;
++5H
3) 24H - 68255 mode 0Simple I/O
- 78255 Mode 1Strobe I/O
- 88255 Mode2Bidirectional mode
- 91)8251 2)8253/54 3)8257/82357 4)8259 5)82791)Programmable Communication Interface(PCI)
2)Programmable Internal Timer(PIT)
3) DMA controller
4) Programmable Interrupt Controller(PIC)
5) Programmmable Keyboard/Display Interface - 10Machine Control Instructions 1)EI 2)DI 3)HLT 4)SIM1)Enable Interrupt(M1,T4)
2)Disable Interrupts(M1,T4)
3)Halt & Enter Wait state(M2>,T5>)
4)Set Interrupt Mask(M1,T4)
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- Flashcards on Digital Circuits, created by Avinash AP on 21/01/2018.
- Created by
- Avinash AP
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