參數(shù)資料
型號： RFHCS362AF
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)： 14/60頁
文件大?。?/td> 502K
代理商： RFHCS362AF
rfHCS362G/362F
DS41189A-page 14
Preliminary
2002 Microchip Technology Inc.
3.1
Transmission Modulation Format
The rfHCS362 transmission is made up of several code
words. Each code word consists of a preamble, a
header and data (see Figure 3-2).
The code words are separated by a
Guard Time
that
can be set to 0 ms, 6.4 ms, 25.6 ms or 76.8 ms with the
Guard Time Select (
GUARD
[
0..1
]) configuration
option. All other timing specifications for the modulation
formats are based on a basic timing element (T
E
). This
Timing Element
can be set to 100
μ
s, 200
μ
s, 400
μ
s
or 800
μ
s with the Baud Rate Select (
BSEL
[
0..1
])
configuration option. The
Header Time
can be set to
3 T
E
or 10 T
E
with the Header Select (HEADER) config-
uration option.
There are two different modulation formats available on
the rfHCS362 that can be set using the Modulation
Select (MOD) configuration option:
Pulse Width Modulation (PWM)
Manchester Encoding
Modulation formats are shown in Figure 3-3 and
Figure 3-4. Code word data formats are shown in
Figure 3-6.
FIGURE 3-2:
CODE WORD TRANSMISSION SEQUENCE
FIGURE 3-3:
PULSE WIDTH MODULATION TRANSMISSION FORMAT
FIGURE 3-4:
MANCHESTER TRANSMISSION FORMAT
Header
Encrypt
Fixed
Guard
1 CODE WORD
Preamble
Encrypt
Preamble
Header
LOGIC "1"
Guard
Time
31 T
E
Encrypted
Portion
Fixed Code
Portion
LOGIC "0"
Preamble
3/10
T
E
Header
T
E
T
E
T
E
1
16
T
BP
Guard
Time
Preamble
Header
Encrypted
Portion
Fixed Code
Portion
1
2
START bit
STOP bit
16
bit 0 bit 1 bit 2
LOGIC "0"
LOGIC "1"
T
E
T
E
T
BP
相關(guān)PDF資料
PDF描述
RFHCS362AG Code Hopping Encoder with UHF ASK/FSK Transmitter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RFHCS362AG 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter
RFHCS362F 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter
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
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