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參數(shù)資料
| 型號： | ISO15693 |
| 廠商： | Fujitsu Limited |
| 英文描述： | High-speed RFID LSI FerVID family |
| 中文描述： | 高速大規(guī)模集成電路的RFID書中家庭 |
| 文件頁數(shù)： | 20/45頁 |
| 文件大小： | 257K |
| 代理商： | ISO15693 |
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MB89R118
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11. Anti-Collision Sequence
Execution of anti-collision sequence
A typical anti-collision sequence that is applied when the number of slots is 16 is executed as follows :
1) The reader/writer sends an Inventory command.
The Nb_slots_flag of the request flags is set to “
0
” to specify the number of slots.
2) In slot 0, transponder 1 returns a response. Other transponders do not respond. The reader/writer recognizes
the UID of transponder 1.
3) The reader/writer sends an EOF signal to proceed to the next slot.
4) In slot 1, transponders 2 and 3 respond. Because the reader/writer cannot recognize the UIDs of the
2 transponders, it remembers that a collision has occurred in slot 1.
5) The reader/writer sends an EOF signal to proceed to the next slot.
6) In slot 2, the reader/writer does not detect any response from transponders and sends an EOF signal to
proceed to the next slot.
7) In slot 3, transponders 4 and 5 respond causing another collision.
8) The reader/writer sends a request (for example, a Read Block command, described later) to transponder 1
whose UID that it has already recognized.
9) When an SOF signal is received, all transponders exit the anti-collision sequence. If transponder 1 is specified
using addressed mode, only transponder 1 can return a response to the reader/writer.
10) Every transponder is enabled to receive another request from the reader/writer. If the Inventory command
is executed again, the sequence starts at slot 0.
11) The mask value is the data whose size is a number of bytes integer and which is sent in LSB-first mode. If
the size of the data to be masked is not a multiple of 8 (bits), the unnecessary bits on the MSB side of the
mask value are padded with “0” to make the mask value byte data.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISO15DW | 功能描述:RS-485接口IC Iso 3.3V Full & Half Duplex RS-485 Xcvr RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO15DW | 制造商:Texas Instruments 功能描述:Digital Isolator IC 制造商:Texas Instruments 功能描述:IC, RS-485 TRANSCEIVER, 3.6V, SOIC-16 |
| ISO15DWG4 | 功能描述:隔離器接口集成電路 Iso 3.3V Full & Half Duplex RS-485 Xcvr RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO15DWR | 功能描述:隔離器接口集成電路 Iso 3.3V Full & Half Duplex RS-485 Xcvr RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO15DWRG4 | 功能描述:隔離器接口集成電路 Iso 3.3V Full & Half Duplex RS-485 Xcvr RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
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