參數(shù)資料
型號(hào)： HCS473-SLROM
廠商： Microchip Technology Inc.
英文描述： Code Hopping Encoder and Transponder
中文描述： 跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù)： 9/68頁
文件大?。?/td> 1629K
代理商： HCS473-SLROM
2002 Microchip Technology Inc.
Preliminary
DS40035C-page 7
HCS473
FIGURE 2-6:
LED PIN DIAGRAM
FIGURE 2-7:
LCCOM/LCX/LCY/LCZ/
VSST PIN DIAGRAM
2.3
Architectural Overview
2.3.1
WAKE-UP LOGIC
The HCS473 automatically goes into a low-power
Standby mode once connected to a supply voltage.
Power is supplied to the minimum circuitry required to
detect a wake-up condition; button activation or LC sig-
nal detection.
The HCS473 will wake from Low-power mode when a
button input is pulled high or a signal is detected on a
LC low frequency antenna input pin. Waking involves
powering the main logic circuitry that controls device
operation. The button and transponder inputs are then
sampled to determine which input activated the device.
A button input activation places the device into Encoder
mode. A signal detected on the transponder input
places the device into Transponder mode. Encoder
mode has priority over Transponder mode such that
communication on the transponder input would be
ignored or perhaps interrupted if it occurred simulta-
neously to a button activation; ignored until the button
input is released.
2.3.2
ENCODER INTERFACE
Using the four button inputs, up to 15 unique control
codes may be transmitted.
LED
HV
Detect
Program
Mode
Weak
LED
V
DD
LCX/LCY/
LCZ Inputs
RECTIFIER and
REGULATOR
V
SST
10V
100
LC
Input
AMP
and
DET
DAMP
LCX
only
10V
100
BIAS
CURRENT
LCCOM
CLAMP
R
DAMP
Note:
S3 may not be used as a button input if the
RFEN option is enabled.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS473SLSQTP 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder
HCS473-SLSQTP 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder
HCS473T/SL 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Passive Entry 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
HCS473T-I/SL 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Passive Entry 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
HCS4870C 制造商:Power-One 功能描述:POWER SUPPLY
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