Fundamentals of Digital Logic and Microcomputer DesignRafi Systems, Incorporated, 1999 - 828 sayfa |
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Sayfa 381
... HOLD INT Data lines Data lines Data HLDA lines RW HOLD RW CS INT HLDA RS DMA Request DMA ACK Addres Bus Data Bus HOLD HLDA RW INT 1/0 device Data lines FIGURE 8.24 Typical block transfer Because block - transfer DMA is common with ...
... HOLD INT Data lines Data lines Data HLDA lines RW HOLD RW CS INT HLDA RS DMA Request DMA ACK Addres Bus Data Bus HOLD HLDA RW INT 1/0 device Data lines FIGURE 8.24 Typical block transfer Because block - transfer DMA is common with ...
Sayfa 438
... HOLD ( input ) and HLDA ( output ) pins are used for DMA . A HIGH on the HOLD pin indicates that another master is requesting to take over the system bus . The processor receiving the HOLD request will output a HIGH on the HLDA as an ...
... HOLD ( input ) and HLDA ( output ) pins are used for DMA . A HIGH on the HOLD pin indicates that another master is requesting to take over the system bus . The processor receiving the HOLD request will output a HIGH on the HLDA as an ...
Sayfa 469
... HOLD and HLDA ( hold acknowledge ) signals to control the system bus for DMA applications . In this type of DMA , the peripheral device can request the DMA transfer via the DMA request ( DRQ ) line connected to a DMA controller chip ...
... HOLD and HLDA ( hold acknowledge ) signals to control the system bus for DMA applications . In this type of DMA , the peripheral device can request the DMA transfer via the DMA request ( DRQ ) line connected to a DMA controller chip ...
İçindekiler
INTRODUCTION TO DIGITAL SYSTEMS | 1 |
NUMBER SYSTEMS AND CODES | 31 |
BOOLEAN ALGEBRA AND DIGITAL LOGIC GATES | 67 |
Telif Hakkı | |
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16 bits 32 bits adder address register addressing modes arithmetic assembly language assembly language program Assume binary number block Boolean bus cycle byte cache chip clock cycle complement consider contains contents control unit data bus decimal decoder digits display DSACK1 DTACK EPROM example execution flags flip-flop floating-point full adder function hardware hexadecimal implemented index register input instruction set integer Intel interface interrupt K-map latch loaded logic diagram m₁ main memory memory address memory location microcomputer microprocessor microprogram minterms Motorola MOVE.W multiplication offset on-chip op-code operand output Pentium perform physical address pins pipeline pointer port PowerPC processor program counter provides reset result RISC sequence sequential circuit shown in Figure signal specified stack stored subroutine synchronous transistor truth table typical unsigned vector word zero