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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)： | 17/45頁 |
| 文件大?。?/td> | 257K |
| 代理商： | ISO15693 |
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MB89R118
17
9.
REQUEST PARAMETER
Request Parameter Settings
Set the reader/writer as follows before issuing the Inventory command.
The Nb_slots_flag (bit6), which is a request flag, is set to the desired value :
“0” : 16 slots (for plural transponders)
“1” : 1 slot (for single transponder)
A mask length and a mask value are added after the command code.
The mask length is the number of bits in the mask value.
The mask value is integer bytes of data, transmitted beginning with the lowest bit. If the mask data is not
a multiple of 8 (bits) in length, 0 is padded on the MSB side of the mask value so that the data is in units of bytes.
The following figure shows an example of the mask value with padding. Since the mask length is 12 bits, the
mask value is padded with 4 bits on the MSB side so that the mask data is in units of bytes (2 bytes = 16 bits in
this case).
If the AFI flag in the request flags is set in the format explained in “
Structure of the request frame of 6 Request
Format”, an AFI field is added to the format. The command ends with transmission of an EOF signal as described
in “1. Communication from Reader/Writer to Transponder”. Thereafter, processing in the first slot starts imme-
diately. To proceed to the next slot, the reader/writer sends an EOF signal.
Format of the Command
SOF
Flag
Command code
Mask length
Mask value
CRC
EOF
8 bits
8 bits
8 bits
0 to 64 bits
16 bits
MSB
Pad
LSB
0000
0100 1100 1111
Mask value
Example of the Mask Value with Padding
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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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