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參數(shù)資料
| 型號： | 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)： | 18/60頁 |
| 文件大小： | 502K |
| 代理商： | RFHCS362AG |
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rfHCS362G/362F
DS41189A-page 18
Preliminary
2002 Microchip Technology Inc.
3.2
LED Output
The LED pin will be driven LOW periodically while the
rfHCS362 is transmitting data to power an external
LED.
The duty cycle (T
LEDON
/T
LEDOFF
) can be selected
between two possible values by the configuration
option (LED).
FIGURE 3-7:
LED OPERATION (LED = 1)
The same configuration option determines whether
when the V
DD
Voltage drops below the selected V
LOW
trip point the LED will blink only once or stop blinking.
FIGURE 3-8:
LED OPERATION (LED = 0)
3.3
Dual Encoder Operation
The rfHCS362G/362F contains two encryption keys
(for example derived from two different Manufacturer’s
Codes), but only one Serial Number, one set of Dis-
crimination bits, one 16-bit Synchronization Counter
and a single 60-bit Seed value. For this reason the
rfHCS362G/362F can be used as an encoder in multi-
ple (two) applications as far as they share the same
configuration: transmission format, baud rate, header
and guard settings. The SHIFT input pin (multiplexed
with the LED output) is used to select between the two
encryption keys.
A logic 1 on the SHIFT input pin selects the first encryp-
tion key.
A logic 0 on the SHIFT input pin will select the second
encryption key.
FIGURE 3-9:
USING DUAL ENCODER
OPERATION
Note:
When the rfHCS362 encoder is used
as a Dual Encoder the LED pin is used
as a SHIFT input (Figure 3-9). In such
a configuration the LED is always ON
during transmission. To keep power
consumption low, it is recommended
to use a series resistor of relatively
high value. V
LOW
information is not
available when using the second
Encryption Key.
S[3210]
LED
V
DD
> V
LOW
T
LEDON
= 25 ms
T
LEDOFF
LED
V
DD
< V
LOW
T
LEDON
T
LEDOFF
= 500 ms
LED
V
DD
< V
LOW
S[3210]
LED
V
DD
> V
LOW
T
LEDON
T
LEDOFF
T
LEDON
= 200 ms
T
LEDOFF
= 800 ms
V
DD
V
DD
DATA
V
SS
SHIFT
1 k
LED/SHIFT
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| RFHCS362G | Code Hopping Encoder with UHF ASK/FSK Transmitter |
| RFK25N18 | 30V N-Channel PowerTrench MOSFET |
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相關代理商/技術參數(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、復用器和解復用器 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、復用器和解復用器 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 |
| 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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