Fundamentals of Digital Logic and Microcomputer DesignRafi Systems, Incorporated, 1999 - 828 sayfa |
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Sayfa 437
... latched , so INTR must be held at a HIGH level until it is recognized to generate an interrupt . NMI is the nonmaskable interrupt pin input activated by a leading edge . RESET is the system reset input signal . This signal must be HIGH ...
... latched , so INTR must be held at a HIGH level until it is recognized to generate an interrupt . NMI is the nonmaskable interrupt pin input activated by a leading edge . RESET is the system reset input signal . This signal must be HIGH ...
Sayfa 594
... latched after 500 ns because the DTACK is asserted LOW at the end of S4 ( 375 ns ) . 10.11 68000 Memory Interface it One of the advantages of the 68000 is that it can easily be interfaced to memory chips because goes into a wait state ...
... latched after 500 ns because the DTACK is asserted LOW at the end of S4 ( 375 ns ) . 10.11 68000 Memory Interface it One of the advantages of the 68000 is that it can easily be interfaced to memory chips because goes into a wait state ...
İçindekiler
INTRODUCTION TO DIGITAL SYSTEMS | 1 |
NUMBER SYSTEMS AND CODES | 31 |
BOOLEAN ALGEBRA AND DIGITAL LOGIC GATES | 67 |
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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