參數(shù)資料
型號(hào): HCS201
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(yè)數(shù): 19/28頁(yè)
文件大?。?/td> 383K
代理商: HCS201
2001 Microchip Technology Inc.
DS41098C-page 19
HCS201
FIGURE 8-1:
POWER-UP AND TRANSMIT TIMING
TABLE 8-3:
POWER-UP AND TRANSMIT TIMING
(2)
FIGURE 8-2:
CODE WORD FORMAT
Standard Operating Conditions (unless otherwise specified):
Commercial(C): Tamb = 0°C to +70°C
Industrial(I): Tamb = -40°C to +85°C
Symbol
T
BP
Parameter
Min.
Typ.
Max.
Unit
ms
Conditions
(Note 1)
Time to second button press
10 + Code
Word
12
6
26 + Code
Word
26
20
T
TD
T
DB
T
TO
Ts
Note 1:
T
BP
is the time in which a second button can be pressed without completion of the first code word
(the intention was to press the combination of buttons).
2:
Typical values - not tested in production.
Transmit delay from button detect
Debounce Delay
Auto-shutoff time-out period
START Pulse Delay
ms
ms
s
ms
27
4.5
Button Press
Detect
Sn
T
DB
Output
T
TD
Multiple Code Word
Transmission
T
TO
Code
Word
1
Code
Word
2
Code
Word
3
Code
Word
n
T
BP
Code
Word
4
DATA
Input
Button
T
S
LOGIC ‘0’
LOGIC ‘1’
Bit Period
T
BP
Preamble
T
P
Header
T
H
Encrypted Portion
of Transmission
T
HOP
Fixed Portion of
Transmission
T
FIX
Guard
Time
T
G
50% Duty Cycle
T
E
T
E
T
E
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