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參數(shù)資料
| 型號： | 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)： | 11/32頁 |
| 文件大?。?/td> | 427K |
| 代理商： | HCS410 |
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HCS410
1997 Microchip Technology Inc.
Preliminary
DS40158B-page 11
2.3
IFF Mode
IFF mode allows the decoder to perform an IFF valida-
tion, to write to the user EEPROM and to read from the
user EEPROM. Each operation consists of the decoder
sending an opcode data and the HCS410 giving a
response.
There are two IFF modes: IFF1 and IFF2. IFF1 allows
only one key IFF, while IFF2 allows two keys to be used.
It is possible to use the HCS410 as an IFF token without
using a magnetic field for coupling. The HCS410 can be
directly connected to the data line of the decoder as
shown in Figure 2-3. The HCS410 gets its power from
the data line as it would in normal transponder mode.
The communication is identical to the communication
used in transponder mode.
2.3.1
IFF MODE ACTIVATION
The HCS410 will enter IFF mode if the capacitor/induc-
tor resonant circuit generates a voltage greater than
approximately 3.0 volts on LC0 or LC1. After the veri-
fied application of power and elapse of the normal reset
period, the device will start responding by pulsing the
DATA line with a string of marker pulses as shown in
Figure 2-13. This action will continue until the pulse
train is terminated by receiving a start signal of duration
2T
E
, on the LC inputs before the next expected marker
pulse. The device now enters the IFF mode and
expects to receive an ‘Opcode’ and a 0/16/32-bit Data-
stream to react on. The data rate (T
E
) is determined by
the BSL bits in the configuration word. See Section 3.0
for additional detail.
FIGURE 2-13: IFF MODE ACTIVATION
Note:
When IFF 2 is enabled, seed transmissions
will not be allowed.
3T
E
T
E
LCI0/1
Decoder
HCS410
50 ms
3T
E
Patents have been applied for.
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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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