參數(shù)資料
型號： HCS473-SLSQTP
廠商： Microchip Technology Inc.
英文描述： Code Hopping Encoder and Transponder
中文描述： 跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù)： 33/68頁
文件大小： 1629K
代理商： HCS473-SLSQTP
2002 Microchip Technology Inc.
Preliminary
DS40035C-page 31
HCS473
Table 7-5 timing values are compensated only for
HCS473 internal filter delays. The transponder reader
designer must compensate communication timing
accordingly for the cumulative antenna delays.
Use LF Demodulator mode to see the effects of the
internal filters and the LC antennae, Section 3.2.1.2.
It must be clearly understood that the HCS473 core
does not see the LF field immediately upon the base
station turning it on, nor does it immediately detect its
removal. If the internal analog delay and cumulative
antenna delays are greater than a given low time, the
HCS473 will obviously never “see” the low.
FIGURE 3-19:
LF ACK RESPONSE ADJUSTMENTS (LFRSP=1)
T
AOACK
L
Command
M
CRC
M
L
Transport ACK
T
TPACK
Inductive
(LC Pins)
RF Response
(DATA Pin)
T
CMD
Present Transport Code Sequence
Inductive
(LC Pins)
L
M
Address
Command
M
L
CRC
T
WRT
Write ACK
16-Bit
Write Data
M
L
RF Response
(DATA Pin)
T
CMD
Write Sequence
L
Command
M
CRC
ACOL Off ACK
Inductive
(LC Pins)
RF Response
(DATA Pin)
T
CMD
32-Bit
Transport
Anticollision Off Sequence
T
FINH
T
FINH
T
FINH
Next
Command
T
CMD
Next
Command
T
CMD
Next
Command
T
CMD
5 LF
TE
5 LF
TE
5 LF
TE
T
CMD
T
CMD
T
CMD
Simultaneous
LF ACK
Simultaneous
LF ACK
Simultaneous
LF ACK
Transponder Select Sequence
L
Command
M
TID=0
12-Bit
VID
M
L
Transponder Select ACK
TID=1
TID=2
6 LF
TE
T
TSCMD
Next
Command
T
TSACK
Inductive
(LC Pins)
RF Response
(DATA Pin)
T
CMD
Simultaneous
LF ACK
M
L
M
L
M
L
5 LF
TE
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HCS4870C 制造商:Power-One 功能描述:POWER SUPPLY
HCS500 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Memory Programming Specification
HCS500/P 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3 fnc RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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