Automotive PSoC
®
4: PSoC 4100
Family Datasheet
Document Number: 001-93576 Rev. *E Page 31 of 36
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
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
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.
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
SWD serial wire debug, a test protocol
SWV single-wire viewer
TD transaction descriptor, see also DMA
Table 44. Acronyms Used in this Document (continued)
Acronym Description
THD total harmonic distortion
TIA transimpedance amplifier
TRM technical reference manual
TTL transistor-transistor logic
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 44. Acronyms Used in this Document (continued)
Acronym Description
