Advantech SOM-7533 User Manual page 13

Table 1.1: Acronyms
Term Define
AC'97 Audio CODEC (Coder-Decoder)
Advanced Configuration Power Interface – standard to implement power
ACPI
saving modes in PC-AT systems
Basic Input Output System – firmware in a PC-AT system that is used to ini-
BIOS tialize system components before handing control over to the operating sys-
tem
Controller-area network (CAN or CAN-bus) is a vehicle bus standard
CAN designed to allow micro-controllers to communicate with each other within a
vehicle without a host computer
DDI Digital Display Interface – containing DisplayPort, HDMI/DVI, and SDVO
Embedded Application Programmable Interface
Software interface for COM Express
– System information
– Watchdog timer
EAPI
– I
– Flat-panel brightness control
– User storage area
– GPIO
GbE Gigabit Ethernet
GPIO General purpose input output
Intel® High Definition Audio (HD Audio) refers to the specification released
HDA by Intel in 2004 for delivering high definition audio that is capable of playing
back more channels at higher quality than AC'97.
Inter Integrated Circuit – 2-wire (clock and data) signaling scheme allowing
2
communication between integrated circuits, primarily used to read and load
I C
register values
ME Management Engine
"Personal Computer – Advanced Technology" – an IBM trademark term
PC-AT
used to refer to Intel-based personal computers in the 1990s
PEG PCI Express Graphics
Real-Time Clock – battery-backed circuit in PC-AT systems that keeps sys-
RTC
tem time and date as well as certain system setup parameters
Serial Presence Detect – refers to serial EEPROM on DRAM that has
SPD
DRAM Module configuration information
Trusted Platform Module, chip to enhance the security features of a com-
TPM
puter system
UEFI Unified Extensible Firmware Interface
WDT Watchdog Timer
2
C Bus
3
®
specific industrial functions
SOM-7533 User Manual