Rainbow-electronics MAX66040 Bedienungsanleitung

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory ________________________________________________________________Maxim Integrated Products1219-0012

Error IndicationDepending on the complexity of a function, variouserror conditions can occur. In case of an error, theresponse to a request begins wit

Detailed Command DescriptionsGet System InformationThis command allows the master to retrieve technicalinformation about the MAX66040. In the response

MAX66040Get UIDThis command allows the master to retrieve thedevice’s unique identification number, UID. In theresponse, the least significant UID byt

MAX66040ISO/IEC 14443-3 Type B Initializationand Anticollision ProtocolBefore an ISO/IEC 14443-compliant RF device givesaccess to its memory, a commun

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory ______________________________________________________________________________________ 23IDLEREADY

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory 24 ______________________________________________________________________________________ABRIDGED

MAX66040ISO/IEC 14443 Type B States andTransitionsPOWER-OFF StateThis state applies if the slave is outside the master’s RFfield. A slave transitions

MAX66040Network Function CommandsTo transition slaves devices between states, theISO/IEC 14443 Type B standard defines six networkfunction commands, c

number, R, in the range of 1 to N. A slave that happensto choose R = 1 responds to the REQB/WUPB request.The larger N is the lower the probability of

MAX66040shows where this information is located in the protocolinfo field and what the values are.The bit-rate capability of the MAX66040 ranges from1

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory 2 _______________________________________________________________________________________ABRIDGED

Param 2 informs the slave about the data rate that shallbe used for communication in the ACTIVE state and themaximum frame size that the master can re

MAX66040in the request and the CID in the device match. If theDESELECT request does not include a CID, theMAX66040 only responds to the request if its

Time-Slot AnticollisionThe master starts the anticollision process by issuingan REQB or WUPB command. The WUPB commandinvolves any slave in the field

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory 32 ______________________________________________________________________________________ABRIDGED

MAX66040MAX66040K-000AA+TOP VIEWSIDE VIEW54mm28mm7.7mm1.6mm85.60mm53.98mm0.76mm14.29mm3.49mmMAX66040E-000AA+TOP VIEWSIDE VIEWKEY FOBISO CARDMechanical

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied

MAX66040Detailed DescriptionThe MAX66040 combines 1024 bits of user EEPROM,128 bits of user and control registers, a 64-bit UID, one64-bit secret, a 5

MAX66040Unique Identification Number (UID)Each MAX66040 contains a factory-programmed andlocked identification number that is 64 bits long(Figure 3).

MAX66040ISO/IEC 14443 Type B-CompliantSecure Memory _______________________________________________________________________________________ 7ISO/IEC 1

ISO/IEC 14443 Type B frame are an inverted 16-bitCRC of the preceding data characters generatedaccording to the CRC-16-CCITT polynomial. This CRCis tr

The path from slave to master uses an 847.5kHz sub-carrier, which is modulated using binary phase-shift key(BPSK) modulation. Depending on the data ra

MAX66040ISO/IEC 14443 BlockTransmission ProtocolBefore the master can send a data packet to access thememory, the MAX66040 must be in the ACTIVE state

For S-blocks, the states of bit 1, bit 2, and bit 3, and bit 7and bit 8 are fixed and must be transmitted as shown inFigure 14. The function of bit 4