User's Manual

PRELIMINARY
CYBLE-214009-00
Document Number: 002-09714 Rev. ** Page 36 of 40
MAC multiply-accumulate
MCU microcontroller unit
MIC Ministry of Internal Affairs and Communications
(Japan)
MISO master-in slave-out
NC no connect
NMI nonmaskable interrupt
NRZ non-return-to-zero
NVIC nested vectored interrupt controller
NVL nonvolatile latch, see also WOL
Opamp operational amplifier
PAL programmable array logic, see also PLD
PC program counter
PCB printed circuit board
PGA programmable gain amplifier
PHUB peripheral hub
PHY physical layer
PICU port interrupt control unit
PLA programmable logic array
PLD programmable logic device, see also PAL
PLL phase-locked loop
PMDD package material declaration data sheet
POR power-on reset
PRES precise power-on reset
PRS pseudo random sequence
PS port read data register
PSoC
®
Programmable System-on-Chip™
PSRR power supply rejection ratio
PWM pulse-width modulator
QDID qualification design ID
RAM random-access memory
RISC reduced-instruction-set computing
RMS root-mean-square
RTC real-time clock
RTL register transfer language
RTR remote transmission request
RX receive
SAR successive approximation register
SC/CT switched capacitor/continuous time
SCL I
2
C serial clock
Table 55. Acronyms Used in this Document (continued)
Acronym Description
SDA I
2
C serial data
S/H sample and hold
SINAD signal to noise and distortion ratio
SIO special input/output, GPIO with advanced
features. See GPIO.
SMT surface-mount technology; a method for
producing electronic circuitry in which the compo-
nents are placed directly onto the surface of
PCBs
SOC start of conversion
SOF start of frame
SPI Serial Peripheral Interface, a communications
protocol
SR slew rate
SRAM static random access memory
SRES software reset
STN super twisted nematic
SWD serial wire debug, a test protocol
SWV single-wire viewer
TD transaction descriptor, see also DMA
THD total harmonic distortion
TIA transimpedance amplifier
TN twisted nematic
TRM technical reference manual
TTL transistor-transistor logic
TUV Germany: Technischer Überwachungs-Verein
(Technical Inspection Association)
TX transmit
UART Universal Asynchronous Transmitter Receiver, a
communications protocol
UDB universal digital block
USB Universal Serial Bus
USBIO USB input/output, PSoC pins used to connect to
a USB port
VDAC voltage DAC, see also DAC, IDAC
WDT watchdog timer
WOL write once latch, see also NVL
WRES watchdog timer reset
XRES external reset I/O pin
XTAL crystal
Table 55. Acronyms Used in this Document (continued)
Acronym Description