Rainbow Electronics AT88RF1354 - Manual (Page 45)

13.56 MHz Type B RF Reader
45
8547A −RFID−10/08
Appendix E. Terms and Abbreviations
A ..................Unmodulated PCD field amplitude. Used in modulation index calculation.
A/m ..............Amperes per Meter. Units of magnetic field strength.
AC................Alternating Current.
ACK .............Acknowledge response, indicates success of the requested operation.
AFI ...............Application Family Identifier. Used during Type B anticollision.
APP..............Application bytes. Data field in ATQB polling response.
ASK..............Amplitude Shift Keying modulation. PCD data transmission signaling format.
ATQB ...........Answer to Request Type B. The response to a polling command.
ATTRIB ........PICC Selection Command, Type B.
B ..................Modulated PCD field amplitude. Used in modulation index calculation.
C ..................Capacitance.
°C.................Celsius temperature.
°C/W ............Degrees Celsius per Watt. Heat transfer.
Card .............A PICC with loop antenna in a card or other RFID tag form.
CID...............Card ID. The 4 bit code used to identify a PICC in the Active state.
CPR .............Communication Protocol Register.
CRC .............Cyclic Redundancy Check = 16 bit RF Communication Error Detection Code.
CRC_B.........Cyclic Redundancy Check, Type B.
CRF .............CryptoRF
® . Atmel ISO/IEC 14443 Type B secure transponder IC family.
EEPROM .....Nonvolatile memory.
EGT .............Extra Guard Time.
EOF .............End of Frame.
ePad ............Exposed thermal pad on surface mount package.
ETU..............Elementary Time Unit = 128 carrier cycles (9.4395 uS nominal).
fc ..................Carrier Frequency = 13.56 MHz nominal.
Fo.................Resonant Frequency.
fs ..................Subcarrier Frequency = fc/16 = 847.5 kHz nominal.
FWI ..............Frame Waiting Time Integer. Protocol bits communicating the PICC FWT time.
FWT .............Frame Waiting Time. Maximum time the PCD must wait for a PICC response.
H ..................Magnetic field.
Hg ................Mercury.
Hmin ............Minimum unmodulated operating magnetic field strength.
Hmax ...........Maximum unmodulated operating magnetic field strength.
Host .............The microcontroller connected to the AT88RF1354 serial interface.
I....................Current.
IC .................Integrated Circuit.
ID .................Identification.
IEC...............International Electrotechnical Commission. www.iec.ch
ISO...............International Organization for Standardization. www.iso.org
kbps .............KiloBits Per Second.
kHz...............KiloHertz.
L...................Inductance.
L ..................Length.
LSB ..............Least Significant Bit.
MHz .............MegaHertz.
M.I................PCD Modulation Index. Calculated as (A – B)/(A + B)
mm ...............MilliMeter.
mS ...............MilliSecond.
μS ................MicroSecond
MSB .............Most Significant Bit.
MLF..............MicroLeadFrame®. Amkor QFN style package.
mV ...............MilliVolt.
N ..................Variable for the Number of anticollision slots.
NACK ...........Not Acknowledge Response, Indicates failure of the requested operation