Document Number: 001-98440 Rev. *F Page 26 of 30
Acronyms
Table 32. Acronyms Used in this Document
Acronym Description
ADC analog-to-digital converter
API application programming interface
ARM
®
advanced RISC machine, a CPU architecture
CC configuration channel
CPU central processing unit
CRC
cyclic redundancy check, an error-checking
protocol
CS current sense
DFP downstream facing port
DIO
digital input/output, GPIO with only digital
capabilities, no analog. See GPIO.
DRP dual role port
EEPROM
electrically erasable programmable read-only
memory
EMCA
a USB cable that includes an IC that reports cable
characteristics (e.g., current rating) to the Type-C
ports
EMI electromagnetic interference
ESD electrostatic discharge
FPB flash patch and breakpoint
FS full-speed
GPIO general-purpose input/output
IC integrated circuit
IDE integrated development environment
I
2
C, or IIC Inter-Integrated Circuit, a communications protocol
ILO internal low-speed oscillator, see also IMO
IMO internal main oscillator, see also ILO
I/O input/output, see also GPIO
LVD low-voltage detect
LVTTL low-voltage transistor-transistor logic
MCU microcontroller unit
NC no connect
NMI nonmaskable interrupt
NVIC nested vectored interrupt controller
opamp operational amplifier
OCP overcurrent protection
OVP overvoltage protection
PCB printed circuit board
PD power delivery
PGA programmable gain amplifier
PHY physical layer
POR power-on reset
PRES precise power-on reset
PSoC
®
Programmable System-on-Chip™
PWM pulse-width modulator
RAM random-access memory
RISC reduced-instruction-set computing
RMS root-mean-square
RTC real-time clock
RX receive
SAR successive approximation register
SCL I
2
C serial clock
SDA I
2
C serial data
S/H sample and hold
SPI
Serial Peripheral Interface, a communications
protocol
SRAM static random access memory
SWD serial wire debug, a test protocol
TX transmit
Type-C
a new standard with a slimmer USB connector and
a reversible cable, capable of sourcing up to 100 W
of power
UART
Universal Asynchronous Transmitter Receiver, a
communications protocol
USB Universal Serial Bus
USBIO
USB input/output, CCG4 pins used to connect to a
USB port
XRES external reset I/O pin
Table 32. Acronyms Used in this Document (continued)
Acronym Description
