參數(shù)資料
型號(hào): LRI64-A1S
廠商: 意法半導(dǎo)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(nèi)存標(biāo)簽IC,64位唯一ID與WORM的用戶區(qū)13.56,ISO 15693標(biāo)準(zhǔn)兼容
文件頁數(shù): 7/38頁
文件大小: 515K
代理商: LRI64-A1S
7/38
LRI64
COMMANDS
The LRI64 supports the following commands:
Inventory.
Used to perform the anti-collision se-
quence. The LRI64 answers to the Inventory com-
mand when all of the 64 bits of the UID have been
correctly written.
Stay Quiet.
Used to put the LRI64 in Quiet mode.
In this mode, the LRI64 only responds to com-
mands in Addressed mode.
Read Block.
Used to output the 8 bits of the se-
lected block.
Write Block.
Used to write a new 8-bit value in
the selected block, provided that the block is not
locked. This command can be issued only once to
each block.
Get_System_Info.
Used to allow the application
system to identify the product. It gives the LRI64
memory size, and IC reference (IC_ID).
Initial Dialogue for Vicinity Cards
The dialogue between the Vicinity Coupling De-
vice (VCD) and the LRI64 is conducted according
to a technique called Reader Talk First (RTF). This
involves the following sequence of operations:
1.
activation of the LRI64 by the RF operating
field of the VCD
2.
transmission of a command by the VCD
3.
transmission of a response by the LRI64
POWER TRANSFER
Power transfer to the LRI64 is accomplished by in-
ductive coupling of the 13.56MHz radio signal be-
tween the antennas of the LRI64 and VCD. The
RF field transmitted by the VCD induces an AC
voltage on the LRI64 antenna, which is then recti-
fied, smoothed and voltage-regulated. Any ampli-
tude modulation present on the signal is
demodulated by the Amplitude Shift Keying (ASK)
demodulator.
Frequency
The ISO15693 standard defines the carrier fre-
quency (
f
C
) of the operating field to be
13.56MHz±7kHz.
Operating Field
The LRI64 operates continuously between H
min
and H
max
.
The minimum operating field is H
min
and has a
value of 150mA/m (rms).
The maximum operating field is H
max
and has
a value of 5A/m (rms).
A VCD generates a field of at least H
min
and not
exceeding H
max
in the operating volume.
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LRI64-A1T 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-A1T/1GE 功能描述:電可擦除可編程只讀存儲(chǔ)器 Memory TAG IC 13.56 MHz 64-bit RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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
LRI64-A1T/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