20 Acronyms and Abbreviations

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

Table 20-1. Acronyms and Abbreviations
AbbreviationDescription
ACAnalog Comparator
ADCAnalog-to-Digital Converter
ADDRAddress
AESAdvanced Encryption Standard
AHBAMBA Advanced High-performance Bus
AMBA®Advanced Microcontroller Bus Architecture
APBAMBA Advanced Peripheral Bus
AREFAnalog reference voltage
BLBBoot Lock Bit
BODBrown-out detector
CALCalibration
CCCompare/Capture
CCLConfigurable Custom Logic
CLKClock
CRCCyclic Redundancy Check
CTRLControl
DAPDebug Access Port
DFLLDigital Frequency Locked Loop
DMACDMA (Direct Memory Access) Controller
DSUDevice Service Unit
EEPROMElectrically Erasable Programmable Read-Only Memory
EICExternal Interrupt Controller
EVSYSEvent System
GCLKGeneric Clock Controller
GNDGround
GPIOGeneral Purpose Input/Output
I2CInter-Integrated Circuit
IFInterrupt flag
INTInterrupt
MBISTMemory built-in self-test
MEM-APMemory Access Port
MTBMicro Trace Buffer
NMINon-maskable interrupt
NVICNested Vector Interrupt Controller
NVMNon-Volatile Memory
NVMCTRLNon-Volatile Memory Controller
OSCOscillator
PACPeripheral Access Controller
PCProgram Counter
PERPeriod
PMPower Manager
PORPower-on reset
PORTI/O Pin Controller
PTCPeripheral Touch Controller
PWMPulse Width Modulation
RAMRandom-Access Memory
REFReference
RTCReal-Time Counter
RXReceiver/Receive
SERCOMSerial Communication Interface
SMBusSystem Management Bus
SPStack Pointer
SPISerial Peripheral Interface
SRAMStatic Random-Access Memory
SUPCSupply Controller
SWDSerial Wire Debug
TCTimer/Counter
TCCTimer/Counter for Control Applications
TRNGTrue Random Number Generator
TXTransmitter/Transmit
ULPUltra-low power
USARTUniversal Synchronous and Asynchronous Serial Receiver and Transmitter
USBUniversal Serial Bus
VDDCommon voltage to be applied to VDDIO, VDDIN and VDDANA
VDDINDigital supply voltage
VDDIODigital supply voltage
VDDANAAnalog supply voltage
VREFVoltage reference
WDTWatchdog Timer
XOSCCrystal Oscillator