hcs200 Microchip Technology Inc., hcs200 Datasheet - Page 17
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hcs200
Manufacturer Part Number
hcs200
Description
K L Code Hopping Encoder
Manufacturer
Microchip Technology Inc.
Datasheet
1.HCS200.pdf
(28 pages)
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FIGURE 8-2:
TABLE 8-2:
FIGURE 8-3:
V
Commercial(C): Tamb = 0°C to +70°C
Industrial(I): Tamb = -40°C to +85°C
DD
2002 Microchip Technology Inc.
Symbol
Note 1: T
Button
T
T
T
T
Input
Output
= +3.5 to 13.0V
Sn
PWM
DB
TO
BP
TD
2: Typical values - not tested in production.
Button Press
Detect
intention was to press the combination of buttons.
Time to second button press
Transmit delay from button detect
Debounce Delay
Auto-shutoff time-out period
BP
50% Duty Cycle
is the time in which a second button can be pressed without completion of the first code word and the
POWER-UP AND TRANSMIT TIMING
Preamble
T
E
Bit Period
POWER-UP AND TRANSMIT TIMING
CODE WORD FORMAT
T
P
T
T
T
E
BP
DB
T
E
Parameter
T
TD
LOGIC ‘0’
LOGIC ‘1’
T
BP
Header
T
H
Encrypted Portion
of Transmission
Code
Word
1
T
HOP
T
10 + Code
TO
(2)
Multiple Code Word Transmission
Word
Min
Code
Word
20
10
6
2
26 + Code
Code
Word
Fixed Portion of
Transmission
Word
Max
120
3
26
15
T
FIX
Code
Word
4
Unit
ms
ms
ms
s
Guard
HCS200
Time
T
Code
Word
G
DS40138C-page 17
n
Remarks
(Note 1)