參數(shù)資料
型號(hào)： HCS410
廠商： Microchip Technology Inc.
英文描述： Code Hopping Encoder and Transponder*(編碼器和收發(fā)兩用機(jī))
中文描述： 跳碼編碼器和轉(zhuǎn)發(fā)器*（編碼器和收發(fā)兩用機(jī)）
文件頁數(shù)： 7/32頁
文件大?。?/td> 427K
代理商： HCS410
HCS410
1997 Microchip Technology Inc.
Preliminary
DS40158B-page 7
2.1
Code Hopping Mode (CH Mode)
The HCS410 will wake up upon detecting a switch clo-
sure and then delay approximately 30 ms for switch
debounce (Figure 2-7). The synchronization counter
value, fixed information, and switch information will be
encrypted to form the code hopping portion. The
encrypted or code hopping portion of the transmission
will change every time a button is pressed, even if the
same button is pushed again. Keeping a button
pressed for a long time will result in the same code word
being transmitted until the button is released or time-out
occurs. A code that has been transmitted will not occur
again for more than 64K transmissions. Overflow infor-
mation programmed into the encoder can be used by
the decoder to extend the number of unique transmis-
sions to more than 192k.
If, in the transmit, process it is detected that a new but-
ton(s) has been added, a reset will immediately be
forced and the code word will not be completed. Please
note that buttons removed will not have any effect on
the code word unless no buttons remain pressed in
which case the current code word will be completed
and the power down will occur. If, after the button is
pressed, the button is pressed again within 2 seconds,
the current transmission will be aborted and a new
transmission will start with the QUE counter incre-
mented.
FIGURE 2-7:
CODE HOPPING ENCODER OPERATION
Note:
When used in Code Hopping Mode (CH
Mode), the HCS410 can also be used as an
IFF token.
20-second
timeout
No
Transmitted
7 complete code
words
2 second
time-out
completed
All buttons
released
(Note 1)
Sample Inputs
Update Sync Info
Encrypt With
Encoder Key
Transmit
Power-up
(A button has been
pressed (Note1)
Buttons added
Yes
Yes
Yes
No
code word while
checking buttons
(Note 2)
Stop transmitting
immediately
DINC Set
Power down
Buttons
pressed
(Note 1)
Same as
previous
press
Increcounter
20 second
time-out
completed
Buttons
pressed
(Note 1)
Inccounter
by 12
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Note 1:
30 ms debounce on press and release of all buttons.
2:
Completes a minimum of 3 code words if MTX3 is set.
No
DINC
Set
Yes
Yes
No
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HCS412P KEELOQ Code Hopping Encoder and Transponder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS410/P 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Transponder 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(shí)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
HCS410/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Transponder 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(shí)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
HCS410/ST 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Transponder 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(shí)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
HCS410/WM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HCS410WM Datasheet
HCS410_01 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ㈢ Code Hopping Encoder and Transponder
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