TQ TQMa8MxML, User Manual

Page: 62 / 64

User's Manual l TQMa8MxML UM 0103 l © 2022, TQ-Systems GmbH Page 56
8.1 Acronyms and definitions (continued)
Table 46: Acronyms (continued)
Acronym Meaning
PCB Printed Circuit Board
PCIe Peripheral Component Interconnect Express
PCMCIA People Can't Memorize Computer Industry Acronyms
PD Pull-Down (resistor)
PHY Physical (layer of the OSI model)
PMIC Power Management Integrated Circuit
PU Pull-Up (resistor)
PWP Permanent Write Protected
QSPI Quad Serial Peripheral Interface
RAM Random Access Memory
RC Resistor-Capacitor
REACH
®
Registration, Evaluation, Authorisation (and restriction of) Chemicals
RF Radio Frequency
RGMII Reduced Gigabit Media Independent Interface
RMII Reduced Media Independent Interface
RoHS Restriction of (the use of certain) Hazardous Substances
ROM Read-Only Memory
RTC Real-Time Clock
RWP Reversible Write Protection
SAI Serial Audio Interface
SCU System Control Unit
SD Secure Digital
SDRAM Synchronous Dynamic Random Access Memory
SNVS Secure Non-Volatile Storage
SPDIF Sony-Philips Digital Interface Format
SPI Serial Peripheral Interface
SVHC Substances of Very High Concern
TBD To Be Determined
UART Universal Asynchronous Receiver/Transmitter
UM User's Manual
USB Universal Serial Bus
USDHC Ultra-Secured Digital Host Controller
WDOG Watchdog
WEEE
®
Waste Electrical and Electronic Equipment
WP Write-Protection