參數(shù)資料
型號(hào)： E5561
英文描述： e5561 Advance Information [Updated 4/03. 26 Pages] Read/Write transponder IC for contactless RF identification for highly sophisticated security applications.
中文描述： e5561推進(jìn)信息[更新4 / 03。 26頁(yè)]讀/寫(xiě)非接觸式射頻轉(zhuǎn)發(fā)器的高度復(fù)雜的安全應(yīng)用識(shí)別芯片。
文件頁(yè)數(shù)： 8/26頁(yè)
文件大?。?/td> 410K
代理商： E5561
16
e5561
4699A–RFID–04/03
Figure 23. Coil Voltage in Direct-access Mode
Software Reset
To set up the ICs in a defined state, a software reset command can be executed by
sending a pseudo block address Fh. The write sequence is shown in Figure 25. The
Reset command is also accepted during stop mode.
Figure 24. Software Reset
Crypto Mode
The crypto mode enables a high-security authentication of the e5561. For this purpose,
a certified algorithm called AUT64 is used. The crypto-mode write sequence is shown in
Figure 25. After the OPcode 01, the challenge is sent to the e5561 (LSB first).
Figure 25. Crypto Mode Write Sequence
After the write sequence, the AUT64-algorithm is started. The computation of the
response takes about 30/10 ms (125 kHz). During this time, a checksum – the number
of the challenge bits set to 1 – can be read by the base station. Once the response has
been computed, the base station can read the response in loop with the terminator 1.
This remains until a POR occurs or another gap is detected. The data stream of the
crypto mode is shown in Figure 26.
Figure 26. Crypto Mode Datastream
During the encryption calculation, the checksum is sent in loop with a special pattern
(see Figure 28). The bits of the checksum are sent with LSB first. If the base station
detects an error by comparing the checksum, the calculation of the response can be
interrupted by sending a new challenge. This will start the authentication procedure
again.
read block
Term.
End of direct access
sequence
read FFh
read block
Term.
V
Coil1-Coil2
10
1111EOT
01
Challenge bits
63
0
EOT
write sequence
read FFh
checksum
read 00b
Terminator 1
response
Terminator 1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
E5561_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Standard Read/Write Crypto Identification IC
e5561A-DOW 功能描述:射頻無(wú)線雜項(xiàng) Encryption w/unique options RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
E5562-00L022-L 功能描述:以太網(wǎng)和電信連接器 RJ11 6P2C SIDE ENTRY RoHS:否 制造商:Pulse 產(chǎn)品:Modular Jacks 性能類別: USOC 代碼:RJ45 位置/觸點(diǎn)數(shù)量: 安裝風(fēng)格:Through Hole 端口數(shù)量:1 x 1 型式:Female 屏蔽: 電流額定值: 電壓額定值: 觸點(diǎn)電鍍: 外殼材料:Thermoplastic IP 等級(jí):
E5562-60L121-L 功能描述:以太網(wǎng)和電信連接器 RJ11 6P2C SIDE ENTRY RoHS:否 制造商:Pulse 產(chǎn)品:Modular Jacks 性能類別: USOC 代碼:RJ45 位置/觸點(diǎn)數(shù)量: 安裝風(fēng)格:Through Hole 端口數(shù)量:1 x 1 型式:Female 屏蔽: 電流額定值: 電壓額定值: 觸點(diǎn)電鍍: 外殼材料:Thermoplastic IP 等級(jí):
E5562-60LU22-L 功能描述:以太網(wǎng)和電信連接器 RJ11 6P2C SIDE ENTRY RoHS:否 制造商:Pulse 產(chǎn)品:Modular Jacks 性能類別: USOC 代碼:RJ45 位置/觸點(diǎn)數(shù)量: 安裝風(fēng)格:Through Hole 端口數(shù)量:1 x 1 型式:Female 屏蔽: 電流額定值: 電壓額定值: 觸點(diǎn)電鍍: 外殼材料:Thermoplastic IP 等級(jí):
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