參數(shù)資料
型號： RFHCS362F
廠商： Microchip Technology Inc.
英文描述： Code Hopping Encoder with UHF ASK/FSK Transmitter
中文描述： 跳碼編碼器的超高頻ASK / FSK發(fā)射器
文件頁數(shù)： 13/60頁
文件大?。?/td> 502K
代理商： RFHCS362F
2002 Microchip Technology Inc.
Preliminary
DS41189A-page 13
rfHCS362G/362F
3.0
ENCODER OPERATION
The rfHCS362G/362F will wake-up upon detecting a
switch closure and then delay for switch debounce
(Figure 3-1). The synchronization information, fixed
information and switch information will be encrypted to
form the hopping code. The encrypted or hopping code
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.
The time-out time can be selected with the time-out
(
TIMOUT
[
0..1
]) configuration option. This option
allows the time-out to be disabled or set to 0.8 s, 3.2 s
or 25.6 s. When a time-out occurs, the device will go
into SLEEP mode to protect the battery from draining
when a button gets stuck.
If in the transmit process, and a new button is pressed,
the current code word will be aborted. A new code word
will be transmitted and the time-out counter will RESET.
If all the buttons are released, the minimum code words
will be completed. The minimum code words can be set
to 1, 2, 4 or 8 using the Minimum Code Words
(
MTX
[
0..1
]) configuration option. If the time for trans-
mitting the minimum code words is longer than the
time-out time, the device will not complete the minimum
code words.
A code that has been transmitted will not occur again
for more than 64K transmissions. This will provide
more than 18 years of typical use before a code is
repeated based on 10 operations per day. Overflow
information programmed into the encoder can be used
by the decoder to extend the number of unique trans-
missions to more than 192K.
FIGURE 3-1:
BASIC FLOW DIAGRAM OF
THE DEVICE OPERATION
Note:
If multiple buttons are pressed and one
is released, it will not have any effect
on the code word. If no buttons remain
pressed the minimum code words will
be completed and the power-down will
occur.
START
Sample Buttons
Increment
Counter
Seed
TX
Time-out
Encrypt
No
No
Yes
Get Config.
Transmit
MTX
No
Buttons
Seed
Time
Read
Seed
STOP
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Seed
Button
No
New
Buttons
No
相關(guān)PDF資料
PDF描述
RFHCS362G Code Hopping Encoder with UHF ASK/FSK Transmitter
RFK25N18 30V N-Channel PowerTrench MOSFET
RFK25N20 30V N-Channel PowerTrench MOSFET
RFK25P08 -25A, -100V and -80V, 0.150 Ohm, P-Channel Power MOSFETs
RFK25P10 -25A, -100V and -80V, 0.150 Ohm, P-Channel Power MOSFETs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RFHCS362F-I/SS 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Code Hopping Encoder 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
RFHCS362FT-I/SS 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Code Hopping Encoder 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
RFHCS362G 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter
RFHCS362G/362F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MCP23016 Datasheet
RFHCS362G_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ? Code Hopping Encoder with UHF ASK/FSK Transmitter
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