37 Acronyms and Abbreviations

The table below contains acronyms and abbreviations used in this document.

Table 37-1. Acronyms and Abbreviations
AbbreviationDescription
ACAnalog Comparator
ACKAcknowledge
ADCAnalog-to-Digital Converter
ADDRAddress
AESAdvanced Encryption Standard
ALUArithmetic Logic Unit
AREFAnalog reference voltage, also VREFA
BLBBoot Lock Bit
BODBrown-out Detector
CALCalibration
CCMPCompare/Capture
CCLConfigurable Custom Logic
CCPConfiguration Change Protection
CLKClock
CLKCTRLClock Controller
CRCCyclic Redundancy Check
CTRLControl
DACDigital-to-Analog Converter
DFLLDigital Frequency Locked Loop
DMACDMA (Direct Memory Access) Controller
DNLDifferential Nonlinearity (ADC characteristics)
EEPROMElectrically Erasable Programmable Read-Only Memory
EVSYSEvent System
GNDGround
GPIOGeneral Purpose Input/Output
I2CInter-Integrated Circuit
IFInterrupt flag
INLIntegral Nonlinearity (ADC characteristics)
INTInterrupt
IrDAInfrared Data Association
IVECInterrupt Vector
LSBLeast Significant Byte
LSbLeast Significant bit
LUTLook Up Table
MBISTMemory Built-in Self-test
MSBMost Significant Byte
MSbMost Significant bit
NACKNot Acknowledge
NMINon-maskable interrupt
NVMNonvolatile Memory
NVMCTRLNonvolatile Memory Controller
OPAMPOperation Amplifier
OSCOscillator
PCProgram Counter
PERPeriod
PORPower-on Reset
PORT I/O Pin Configuration
PTCPeripheral Touch Controller
PWMPulse-width Modulation
RAMRandom Access Memory
REFReference
REQRequest
RISCReduced Instruction Set Computer
RSTCTRLReset Controller
RTCReal-time Counter
RXReceiver/Receive
SERCOMSerial Communication Interface
SLPCTRLSleep Controller
SMBusSystem Management Bus
SPStack Pointer
SPISerial Peripheral Interface
SRAMStatic Random Access Memory
SYSCFGSystem Configuration
TCTimer/Counter (Optionally superseded by a letter indicating type of TC)
TRNGTrue Random Number Generator
TWITwo-wire Interface
TXTransmitter/Transmit
ULPUltra Low Power
UPDIUnified Program and Debug Interface
USARTUniversal Synchronous and Asynchronous Serial Receiver and Transmitter
USBUniversal Serial Bus
VDDVoltage to be applied to VDD
VREFVoltage Reference
VCMVoltage Common mode
WDTWatchdog Timer
XOSCCrystal Oscillator