Appendix A
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FIFO First in, first out
FS Full scale
GPIO General-purpose input/output
HF High frequency
HSSD High-speed serial data
I/O Input/output
I/Q In-phase/quadrature-phase
IEEE Institute of Electrical and Electronics Engineers
IF Intermediate frequency
IOC I/O controller
IRQ Interrupt request
IR Infrared
ISM Industrial, scientific and medical
ITU-T International Telecommunication Union – Telecommunication
IV Initialization vector
KB 1024 bytes
kbps Kilobits per second
LFSR Linear feedback shift register
LLE Link-layer engine
LNA Low-noise amplifier
LO Local oscillator
LQI Link quality indication
LSB Least-significant bit/byte
MAC Medium access control
MAC Message authentication code
MCU Microcontroller unit
MFR MAC footer
MHR MAC header
MIC Message integrity code
MISO Master in, slave out
MOSI Master out, slave in
MPDU MAC protocol data unit
MSB Most-significant bit/byte
MSDU MAC service data unit
MUX Multiplexer
NA Not applicable/available
NC Not connected
OFB Output feedback (encryption)
O-QPSK Offset – quadrature phase-shift keying
PA Power amplifier
PC Program counter
PCB Printed circuit board
PER Packet error rate
PHR PHY header
PHY Physical layer
PLL Phase-locked loop
PM1, PM2, Power mode 1, 2, and 3
PM3
PMC Power management controller
PN7, PN9 7-bit or 9-bit pseudo-random sequence
362
Abbreviations SWRU191C– April 2009–Revised January 2012
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