Cirrus Logic EP93xx - Manual (Page 812)

30-2 DS785UM1
Copyright 2007 Cirrus Logic
Glossary
EP93xx User’s Guide
3
0
3
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30
LED Light Emitting Diode
MAC Media Access Controller - Ethernet
MII Media Independent Interface
MIR Medium Infrared
MMU Memory Management Unit
OHCI Open Host Controller Interface
PHY Physical layer
PIO Programmed I/O
PLL Phase Locked Loop
PPM Pulse Position Modulation
RISC Reduced Instruction Set Computer
RTC The ARM Real Time Clock
RTL Register Transfer Level
RTZ Return-to-zero
RZI Return-to-zero Inverted
SDLC Synchronous Data Link Control
SDMI Secure Digital Music Initiative
SDRAM Synchronous Dynamic Random Access Memory
SIR Slow Infrared
SPI
Serial Peripheral Interface. Also known as SSP. Synchronous Serial Interface supporting the Motorola SPI
format.
SRAM Static Random Access Memory
Syscon System control registers
TFT Thin Film Transistor
TLB Translation Lookaside Buffer
TTB Translation Table Base
UART Universal Asynchronous Receiver/Transmitter
USB Universal Serial Bus
VIC Vectored Interrupt Controller
Watchdog A count down timer designed to restart the ARM Core if the processor hangs.
Table 30-1. Glossary (Continued)
Term Definition