HCS200-ISN MICROCHIP [Microchip Technology], HCS200-ISN Datasheet - Page 14

• Manufacturer Part Number: HCS200-ISN
• Description: KEELOQ CODE HOPPING ENCODER
• Manufacturer: MICROCHIP [Microchip Technology]

HCS200
FIGURE 8-2:
TABLE 8-3:
FIGURE 8-3:
FIGURE 8-4:
DS40138A-page 14
V
Commercial (C): Tamb = 0 C to +70 C
Industrial
Time to second button press
Transmit delay from button detect
Debounce Delay
Auto-shutoff time-out period
Note 1: T
DD
= +3.5 to 13.0V
PWM
Sn
2: The auto-shutoff time-out period is not tested.
P0
T
intention was to press the combination of buttons.
E
BP
T
Button Press
Detect
T
BP
E
is the time in which a second button can be pressed without completion of the first code word and the
(I): Tamb = -40 C to +85 C
T
Parameter
E
POWER UP AND TRANSMIT TIMING
POWER UP AND TRANSMIT TIMING REQUIREMENTS
PWM FORMAT
PREAMBLE/HEADER FORMAT
Preamble
LOGIC ‘0’
LOGIC ‘1’
T
Preamble
P
T
DB
23 T
E
T
TD
T
BP
Header
T
H
Symbol
T
T
T
T
Preliminary
Encrypted Portion
BP
TD
DB
TO
of Transmission
Code
Word
P12
1
T
TO
T
HOP
10 + Code
Code Word Transmission
Word
Min
10
20
6
Code
Word
2
Header
26 + Code
Word
10 T
Max
Code
Word
120
Fixed portion of
26
15
Transmission
3
E
T
FIX
1996 Microchip Technology Inc.
Unit
ms
ms
ms
Code
Word
s
n
Guard
Time
T
Bit 0 Bit 1
Transmission
Data Word
G
Remarks
(Note 1)
(Note 2)