參數(shù)資料
型號: LRI512-C40
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: EEPROM
中文描述: EEPROM的
文件頁數(shù): 23/54頁
文件大?。?/td> 351K
代理商: LRI512-C40
23/54
LRI512
Figure 31. Principle of Comparison between the Mask, Slot Number and UID
The AFI field shall be present if the AFI_flag is set.
The pulse shall be generated according to the def-
inition of the EOF in ISO/IEC 15693-2.
The first slot starts immediately after the reception
of the Request EOF.
To switch to the next slot, the VCD sends an EOF.
The following rules and restrictions apply:
– if no LRI512 answer is detected, the VCD may
switch to the next slot by sending an EOF
– if one or more LRI512 answers are detected, the
VCD shall wait until the complete frame has
been received before sending an EOF for
switching to the next slot.
AI06682
Mask value received in the Inventory command
0000 0100 1100 1111b16 bits
The Mask value less the padding 0s is loaded
into the Tag comparator
100 1100 1111b11 bits
The Slot counter is calculated
Nb_slots_flags = 0 (16 slots), Slot Counter is 4 bits
xxxx
The Slot counter is concatened to the Mask value
Nb_slots_flags = 0
xxxx 100 1100 1111b
15 bits
The concatenated result is compared with
the least significant bits of the Tag UID.
xxxx xxxx ..... xxxx xxxx x xxx xxxx xxxx xxxx
64 bits
LSB
MSB
b
LSB
MSB
LSB
MSB
LSB
MSB
b0
b63
Compare
Bits ignored
UID
4 bits
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LRI64-A1S 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, ISO 15693 Standard Compliant
LRI64-A1S/1GE 功能描述:電可擦除可編程只讀存儲器 TAG IC 13.56 MHz W/ 64-bit Unique ID RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8