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EM4223V3WW11E Datasheet(PDF) 9 Page - EM Microelectronic - MARIN SA |
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EM4223V3WW11E Datasheet(HTML) 9 Page - EM Microelectronic - MARIN SA |
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9 / 29 page  R EM4223 Copyright © 2005, EM Microelectronic-Marin SA 9 www.emmicroelectronic.com Reader Command Transponder Operation in ISO Mode Transponder Operation in Fast Supertag ™ Mode INIT_ROUND Initialises the start of the arbitration sequence and tells the Transponder over how many slots to randomise the transmit slot selection. Configures the Transponder to transmit the SUID data or the full 128 bit User Data to the Reader dependent on the SUID parameter in the command. Moves the Transponder from the READY to the ROUND_ACTIVE states if the Transponders AFI matches the AFI in the command or if the AFI in the command = 0x00 . If the AFI in the command is non-zero and does not match the AFI in the Tag, causes the Tag to move from the ROUND_ACTIVE to the READY states. Not supported in Fast Supertag ™ Mode – causes the Transponder to immediately switch to ISO Mode. BEGIN_ROUND Initialises the start of the arbitration sequence and tells the Transponder over how many slots to randomise the transmit slot selection. Configures the transponder to transmit the SUID data where DSFID field is replaced by AFI field, or the full 128 bit User Data to the reader, depending in the SUID parameter in the command. Moves the Transponder from the READY to the ROUND_ACTIVE states if the number of bits of the Transponders User Data specified in the command is identical to the matching data in the command Mask parameter . Not supported in Fast Supertag ™ Mode – causes the Transponder to immediately switch to ISO Mode. INIT_ROUND_ALL Initialises the start of the arbitration sequence and tells the Transponder over how many slots to randomise the transmit slot selection. Configures the Transponder to transmit the SUID data or the full 128 bit User Data to the Reader dependent on the SUID parameter in the command. Moves the Transponder from the READY to the ROUND_ACTIVE states. Not supported in Fast Supertag ™ Mode – causes the Transponder to immediately switch to ISO Mode. NEW_ROUND Causes the EM4223 to enter a new Round and to change the number of pseudo-slots over which it randomises its transmissions. Tags in the READY state will ignore this command. Causes the EM4223 to change the number of pseudo-slots over which it randomises its transmissions. Tags in the READY state will ignore this command. WAKE_UP_FST Not supported in ISO Mode – causes the Transponder to immediately switch to Fast Supertag ™ Mode. Initialises the start of the Fast Supertag ™ arbitration sequence and tells the Transponder over how many slots to randomise the transmit slot selection. Configures the Transponder to transmit the full 128 bit User Data to the Reader irrespective of the SUID parameter in the command. Moves the Tag from the ROUND_STANDBY to the ROUND_ACTIVE states or from the READY to the ROUND_ACTIVE states if the Mask parameter matches, else moves Tag to the READY state. |
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