Apple LC520 Specifikace stáhnout pdf (Strana 12)

xii

PREFACE

Here are other abbreviations used in this developer note:

mA milliamperes µs microseconds

µA microamperes ns nanoseconds

MB megabytes sec. seconds

MHz megahertz V volts

mm millimeters W watts

ms milliseconds

Ω

ohms

hexadecimal value

AC alternating current

ADB Apple Desktop Bus

CD-ROM compact-disk read-only memory

CLUT color lookup table

EMI electromagnetic interference

FPU ﬂoating-point unit

IC integrated circuit

I/O input/output

LS low-power Schottky (used as a standard for IC

device loads)

MMU memory management unit

MOS metal-oxide semiconductor

NMI nonmaskable interrupt

PRAM parameter RAM

PWM pulse-width modulation

RAM random-access memory

RMS root-mean-square

ROM read-only memory

SANE Standard Apple Numerics Environment

SCC serial communications controller

SCSI Small Computer System Interface

SIMM single inline memory module

SWIM Super Woz Integrated Machine, a custom IC

that controls the ﬂoppy disk interface

TTL transistor-transistor logic (used as a standard

for IC device loads)

VRAM video RAM

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 73 74

Žádné komentáře

Apple LC520 Specifikace Strana 12