參數資料
型號： LRI64-W4
廠商： 意法半導體
英文描述： Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO 15693 Standard Compliant
中文描述： 內存標簽IC，64位唯一ID與WORM的用戶區(qū)13.56，ISO 15693標準兼容
文件頁數： 9/38頁
文件大?。?/td> 515K
代理商： LRI64-W4
9/38
LRI64
DATA RATE AND DATA CODING
The data coding method involves pulse position
modulation. The LRI64 supports the “1-out-of-4”
pulse coding mode. Any request that the VCD
might send in the “1-out-of-256” pulse coded
mode, is ignored, and the LRI64 remains in its cur-
rent state.
Two bit values are encoded at a time, by the posi-
tioning of a pause of the carrier frequency in one
of four possible 18.88μs (256/fc) time slots, as
shown in
Figure 6.
Four successive pairs of bits form a byte. The
transmission of one byte takes 302.08 μs and,
consequently, the data rate is 26.48 kbits/s (fc/
512).
The encoding for the least significant pair of bits is
transmitted first. For example
Figure 5.
shows the
transmission of E1h (225d, 1110 0001b) by the
VCD.
Figure 6. “1-out-of-4” Coding Mode
AI06658
9.44 μs
9.44 μs
75.52 μs
28.32 μs
9.44 μs
75.52 μs
47.20μs
9.44 μs
75.52 μs
66.08 μs
9.44 μs
75.52 μs
Pulse position for "00"
Pulse position for "11"
Pulse position for "10" (0=LSB)
Pulse position for "01" (1=LSB)
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相關代理商/技術參數
參數描述
LRI64-W4/1GE 功能描述:IC MEM TAG 13.56MHZ UNSAWN WAFER RoHS:是 類別:RF/IF 和 RFID >> RFID 發(fā)射應答器，標簽 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS 產品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:1 系列:iButton® RF 型:讀/寫 頻率:13.56MHz 特點:ISO14443-B 封裝/外殼:遙控鑰匙 供應商設備封裝:遙控鑰匙 包裝:散裝
LRI64-W4/2GE 功能描述:電可擦除可編程只讀存儲器 E-EPROM RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8
LRI64-W4/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant
LRIC+105 制造商:Emerson Network Power - Embedded Power 功能描述:Noise Filter; High Frequency; 5 Amps; 120-240V; 47-63Hz
LRIC102 制造商:EGS ELECTRICAL GROUP 功能描述:ISLATRL+1PH 2.5A 120V 5FT CORD
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