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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  
9. COMMANDS AND STATES  
Commands  
The EM4223 supports the commands as specified in Table 5- Supported Commands and as set out in ISO/IEC CD 18000-  
6A clause 7.6 and clause 7.7.  
Tag States  
FST = 0 & WUS = 1 & RF field on  
FST = 0 & WUS = 0 & RF field on  
RF FIELD OFF  
Quiet Flag set ( power off < 2 secs)  
READY  
Reset_to_ready  
Reset_To_Ready  
Begin_Round(Match) #  
Begin_Round(Unmatch) #  
Init_Round(Unmatch) #  
Init_Round(Match) #  
Init_Round_All #  
Wake_Up_FST @  
Next_Slot (Not OK)  
Close_Slot  
New_Round  
Next_Slot (OK)  
QUIET  
ROUND_ACTIVE  
End of FST Tag Internal Slot  
Begin_Round(Match) #  
Init_Round(Match) #  
Init_Round_All #  
Wake_Up_FST @  
Next_Slot (Not OK)  
Close_Slot  
New_Round  
All commands except:  
"Reset_To_Ready"  
Standby_Round  
(Incomplete or Unrecognised Cmnd) & FST=0  
Begin_Round(Match) #  
Init_Round(Match) #  
Init_Round_All #  
Wake_Up_FST @  
2.5 Message Timeout if FST = 0 & WUS = 0  
Standby_Round  
Incomplete or Unrecognised Cmnd  
ROUND_STANDBY  
Reset_To_Ready  
Begin_Round(Unmatch) #  
Init_Round(Unmatch) #  
Fig. 19– State transition diagram showing commands.  
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