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參數(shù)資料
| 型號(hào)： | RFHCS362AG |
| 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)： | 20/60頁 |
| 文件大小： | 502K |
| 代理商： | RFHCS362AG |
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rfHCS362G/362F
DS41189A-page 20
Preliminary
2002 Microchip Technology Inc.
3.5
RF Enable and Transmitter Interface
The S3/RFEN
OUT
pin of the rfHCS362 can be config-
ured to function as an RF Enable output signal. This is
selected by the RF Enable Output (RFEN) configura-
tion option as described in Section 4.5.13. When
enabled, this pin will be driven HIGH before data is
transmitted through the DATA pin.
The RFEN
OUT
and DATA pins are synchronized to
interface with the transmitter. Figure 3-11 shows the
start-up sequence. A button is debounced and the
EEPROM counter advanced during the power-up delay
(T
PU
). Then the RFEN
OUT
pin goes high to enable the
transmitter. The DATA output is delayed to give the
transmitter crystal oscillator and PLL time to startup
(T
PLL
). The RFEN
OUT
signal will go LOW one guard
time after the end of the last code word.
When the RF Enable output is selected, the S3 pin can
still be used as a button input. However, only minimum
code words will be transmitted. An alternative solution
for more than three push buttons can be the switching
diode circuit described in Section 1.2.
In typical implementations of the rfHCS362G/362F, the
encoder RFEN
OUT
pin is connected to the transmitter
RFEN
IN
pin.
FIGURE 3-11: PLL INTERFACE
S[3210]
RFEN
OUT
DATA
T
PLL
Guard Time
1st CODE WORD
T
G
Button Press
Button Release
2nd CODE WORD
T
PU
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(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 |
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