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EM4223V2WS11 参数 Datasheet PDF下载

EM4223V2WS11图片预览
型号: EM4223V2WS11
PDF下载: 下载PDF文件 查看货源
内容描述: 只读超高频射频识别设备 [Read-only UHF Radio Frequency Identification Device]
分类和应用: 射频
文件页数/大小: 29 页 / 426 K
品牌: EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
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R
EM4223  
Command : Standby_Round  
Initial State  
Ready  
Quiet  
Round_Active  
Round_Standby  
Criteria  
Action  
New State  
Ready  
Quiet  
None  
None  
None  
None  
None  
None  
None  
None  
Round_Standby  
Round_Standby  
Table 15 – Tag state transitions for Standby_Round  
4. GENERAL REPLY FORMAT  
The Transponder will reply to a successful arbitration sequence by sending a message having the following format:  
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ƒ
ƒ
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Preamble – see description of the Return Link.  
Flags – 2 bits (Preset)  
Parameters as follows:  
Transponder type – 1 bit (Always = 0)  
Battery status – 1 bit (Always = 0)  
Signature – 4 bits (last 4 bits of the clock counter).  
Data – 136 bits if the SUID bit = 0 as follows:  
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AFI of 8 bits.  
User Data of 128 bits.  
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Data – 48 bits if the SUID bit = 1 as follows:  
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DSFID of 8 bits.  
SUID of 40 bits (lower 32 bits of User Data + IC Manufacturer code).  
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CRC – 16 bits  
Preamble  
Flags  
Parameters  
Data  
CRC  
Fig. 5- Transponder Reply, general format  
Preamble  
Flags Trans. Type  
2 bits Always = 0  
Battery  
Status  
Signature  
4 bits  
AFI  
8 bits  
USER DATA  
128 bits  
CRC16  
16 bits  
Always = 0  
Fig. 6 Transponder Reply to commands with the SUID flag = 0.  
The above reply will be received after a successful arbitration sequence that was initiated by the Init-Round, Init-Round-  
All, Begin_Round and Wake-Up_FST commands with the SUID flag = 0.  
Preamble  
Flags  
2 bits  
Trans. Type Battery Status  
Always = 0 Always = 0  
Signature  
4 bits  
DSFID  
SUID  
CRC 16  
16 bits  
Always = 0x00  
40 bits  
Fig. 7 – Transponder Reply commands with the SUID flag = 1.  
The above reply will be received after a successful arbitration sequence that was initiated by the Init_Round,  
Init_Round_All and Wake_Up_FST commands with the SUID flag = 1.  
Preamble  
Flags  
2 bits  
Trans. Type Battery Status  
Always = 0 Always = 0  
Signature  
4 bits  
AFI  
SUID  
CRC 16  
16 bits  
8 bits  
40 bits  
Fig. 8 – Transponder Reply to Begin_Round command with the SUID flag = 1.  
The above reply will be received after a successful arbitration sequence that was initiated by the Begin_Round command  
with the SUID flag = 1.  
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