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參數(shù)資料
| 型號(hào)： | EM4223V2WS11E |
| 廠商： | EM Microelectronic |
| 英文描述： | Read-only UHF Radio Frequency Identification Device |
| 中文描述： | 只讀超高頻射頻識(shí)別設(shè)備 |
| 文件頁數(shù)： | 14/29頁 |
| 文件大?。?/td> | 437K |
| 代理商： | EM4223V2WS11E |
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R
EM4223
Copyright
2005, EM Microelectronic-Marin SA
14
www.emmicroelectronic.com
Command : Standby_Round
Initial State
Ready
Quiet
Round_Active
Round_Standby
Criteria
Action
New State
Ready
Quiet
Round_Standby
Round_Standby
None
None
None
None
None
None
None
None
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:
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:
AFI of 8 bits.
User Data of 128 bits.
Data – 48 bits if the SUID bit = 1 as follows:
DSFID of 8 bits.
SUID of 40 bits (lower 32 bits of User Data + IC Manufacturer code).
CRC – 16 bits
Preamble
Flags
Parameters
Data
CRC
Fig. 5- Transponder Reply, general format
Preamble
Flags
Trans. Type
Battery
Status
Always = 0
Signature
AFI
USER DATA
CRC16
2 bits
Always = 0
4 bits
8 bits
128 bits
16 bits
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
Trans. Type
Battery Status
2 bits
Always = 0
Always = 0
Signature
4 bits
DSFID
SUID
40 bits
CRC 16
16 bits
Always = 0x00
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
Trans. Type
Battery Status
2 bits
Always = 0
Always = 0
Signature
4 bits
AFI
8 bits
SUID
40 bits
CRC 16
16 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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PDF描述 |
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| EM4223V2WS7 | Read-only UHF Radio Frequency Identification Device |
| EM4223V8WW7 | Read-only UHF Radio Frequency Identification Device |
| EM4223V8WW7E | Read-only UHF Radio Frequency Identification Device |
| EM4223V4WW11 | Read-only UHF Radio Frequency Identification Device |
| EM4223V4WW11E | Read-only UHF Radio Frequency Identification Device |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM4223V2WS7 | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:Read-only UHF Radio Frequency Identification Device |
| EM4223V2WS7E | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:Read-only UHF Radio Frequency Identification Device |
| EM4223V2WW11 | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:Read-only UHF Radio Frequency Identification Device |
| EM4223V2WW11E | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:Read-only UHF Radio Frequency Identification Device |
| EM4223V2WW7 | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:Read-only UHF Radio Frequency Identification Device |
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