參數(shù)資料
型號： HCS320
廠商： Microchip Technology Inc.
英文描述： KEELOQ Code Hopping Encoder
中文描述： 而Keeloq跳碼編碼器
文件頁數(shù)： 1/32頁
文件大?。?/td> 435K
代理商： HCS320
2001 Microchip Technology Inc.
DS41097C-page 1
HCS320
FEATURES
Security
Programmable 28-bit serial number
Programmable 64-bit encryption key
Each transmission is unique
66-bit transmission code length
32-bit hopping code
34-bit fixed code (28-bit serial number,
4-bit function code, 2-bit status)
Encryption keys are read protected
Operating
3.5V - 13.0V operation
Shift key and three inputs
16 functions available
Selectable baud rate
Automatic code word completion
Battery low signal transmitted to receiver
Battery low indication on LED
Non-volatile synchronization data
Other
Easy-to-use programming interface
On-chip EEPROM
On-chip oscillator and timing components
Button inputs have internal pull-down resistors
Current limiting on LED output
Low external component cost
Typical Applications
The HCS320 is ideal for Remote Keyless Entry (RKE)
applications. These applications include:
Automotive RKE systems
Automotive alarm systems
Automotive immobilizers
Gate and garage door openers
Identity tokens
Burglar alarm systems
DESCRIPTION
The HCS320 from Microchip Technology Inc. is a code
hopping encoder designed for secure Remote Keyless
Entry (RKE) systems. The HCS320 utilizes the code
hopping technology which incorporates high security, a
small package outline, and low cost, to make this
device a perfect solution for unidirectional remote key-
less entry systems and access control systems.
PACKAGE TYPES
HCS320 BLOCK DIAGRAM
The HCS320 combines a 32-bit hopping code gener-
ated by a nonlinear encryption algorithm, with a 28-bit
serial number and six status bits to create a 66-bit
transmission stream. The length of the transmission
eliminates the threat of code scanning and the code
hopping mechanism makes each transmission unique,
thus rendering code capture and resend (code grab-
bing) schemes useless.
1
2
3
4
8
7
6
5
S0
S1
S2
SHIFT
V
DD
LED
PWM
V
SS
PDIP, SOIC
H
V
SS
V
DD
Oscillator
RESET circuit
LED driver
Controller
Power
latching
and
switching
Button input port
32-bit shift register
Encoder
EEPROM
PWM
LED
SHIFT S
2
S
1
S
0
K
EE
L
OQ
Code Hopping Encoder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS320/P 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Shiftkey 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS320/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Shiftkey 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS320_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ? Code Hopping Encoder Automatic code word completion
HCS320-I/P 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Shiftkey 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS320-I/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Shiftkey 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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