參數(shù)資料
型號： HCS412P
廠商： Microchip Technology Inc.
英文描述： KEELOQ Code Hopping Encoder and Transponder
中文描述： 而Keeloq跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù)： 16/44頁
文件大?。?/td> 704K
代理商： HCS412P
HCS412
DS41099C-page 16
Preliminary
2002 Microchip Technology Inc.
3.4.8
QLVS FEATURES
Setting the HCS412
’s special QLVS (‘Quick Secure
Learning’) configuration option enables the following
options:
Reduces the time (T
DSD
) before a delayed seed
transmission begins.
Disables DATA modulation when the LED pin is
driven low (Figure 3-11).
- If the PLL Interface option is set to ASK, the
DATA pin will go low while the LED pin is low.
- If the PLL Interface option is set to FSK, the
DATA pin will go high and the RFEN output
will go low while the LED pin is low. If the bat-
tery is low, the HCS412 transmits only until
the LED goes on.
If the Temporary Seed (TMPSD) option is
enabled, seed transmission capability can be dis-
abled by applying the button sequence shown in
Figure 3-12
FIGURE 3-11: LED, DATA, RFEN INTERACTION WHEN QLVS IS SET
FIGURE 3-12: SEED DISABLE WAVEFORM
SWITCH
LED
DATA
S2/RFEN/LC1
DATA
S2/RFEN/LC1
T
LEDON
T
TD
AFSK = 1 (FSK)
AFSK = 0 (ASK)
QLVS = 1, RFEN = 1
S0, S1
1200 ms
50 ms
50
ms
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HCS412 Code Hopping Encoder and Transponder(編碼器和收發(fā)兩用機(jī))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS412SN 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412T 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412T/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Passive Entry 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
HCS412TI 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412T-I/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Passive Entry 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
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