Product data

MFRC631 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 4 February 2014
227433 113 of 120
NXP Semiconductors
MFRC631
High performance ISO/IEC 14443 A/B reader solution
18. Abbreviations
Table 197. Abbreviations
Acronym Description
ADC Analog-to-Digital Converter
BPSK Binary Phase Shift Keying
CRC Cyclic Redundancy Check
CW Continuous Wave
EGT Extra Guard Time
EMC Electro Magnetic Compatibility
EMD Electro Magnetic Disturbance
EOF End Of Frame
EPC Electronic Product Code
ETU Elementary Time Unit
GPIO General Purpose Input/Output
HBM Human Body Model
I
2
C Inter-Integrated Circuit
LFO Low Frequency Oscillator
LPCD Low-Power Card Detection
LSB Least Significant Bit
MISO Master In Slave Out
MOSI Master Out Slave In
MSB Most Significant Bit
NRZ Not Return to Zero
NSS Not Slave Select
PCD Proximity Coupling Device
PLL Phase-Locked Loop
RZ Return To Zero
RX Receiver
SAM
Secure Access Module
SOF Start Of Frame
SPI Serial Peripheral Interface
SW Software
TTimer Timing of the clk period
TX Transmitter
UART Universal Asynchronous Receiver Transmitter
UID Unique IDentification
VCO Voltage Controlled Oscillator