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HCS200 数据表(PDF) 14 Page - Microchip Technology

部件名 HCS200
功能描述  KEELOQ CODE HOPPING ENCODER
PDF  16 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCS200 数据表(HTML) 14 Page - Microchip Technology

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HCS200
DS40138A-page 14
Preliminary
© 1996 Microchip Technology Inc.
FIGURE 8-2:
POWER UP AND TRANSMIT TIMING
TABLE 8-3:
POWER UP AND TRANSMIT TIMING REQUIREMENTS
FIGURE 8-3:
PWM FORMAT
FIGURE 8-4:
PREAMBLE/HEADER FORMAT
VDD = +3.5 to 13.0V
Commercial (C):
Tamb = 0
°C to +70°C
Industrial
(I):
Tamb = -40
°C to +85°C
Parameter
Symbol
Min
Max
Unit
Remarks
Time to second button press
TBP
10 + Code
Word
26 + Code
Word
ms
(Note 1)
Transmit delay from button detect
TTD
10
26
ms
Debounce Delay
TDB
615
ms
Auto-shutoff time-out period
TTO
20
120
s
(Note 2)
Note 1: TBP is the time in which a second button can be pressed without completion of the first code word and the
intention was to press the combination of buttons.
2: The auto-shutoff time-out period is not tested.
Button Press
Sn
Detect
TDB
PWM
TTD
Code Word Transmission
TTO
Code
Word
1
Code
Word
2
Code
Word
3
Code
Word
n
TBP
LOGIC ‘0’
LOGIC ‘1’
Preamble
Header
Encrypted Portion
of Transmission
Fixed portion of
Transmission
Guard
Time
TP
TH
THOP
TFIX
TG
TBP
TE TE TE
Preamble
Header
P0
P12
23 TE
10 TE
Data Word
Transmission
Bit 0
Bit 1



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