HCS361-IP Microchip Technology, HCS361-IP Datasheet - Page 17

• Manufacturer Part Number: HCS361-IP
• Description: KEELOQ CODE HOPPING ENCODER
• Manufacturer: Microchip Technology

FIGURE 8-1:
TABLE 8-3
FIGURE 8-2:
V
Commercial
Industrial
Time to second button press
Transmit delay from button detect
Debounce delay
Auto-shutoff time-out period
Note 1: T
1996 Microchip Technology Inc.
DD
= +2.0 to 6.6V
PWM
Sn
2: Transmit delay maximum value if the previous transmission was successfully transmitted.
3: The auto shutoff timeout period is not tested.
intention was to press the combination of buttons.
BP
Button Press
Detect
T
is the time in which a second button can be pressed without completion of the first code word and the
E
(C): Tamb = 0 C to +70 C
(I): Tamb = -40 C to +85 C
T
Parameter
T
BP
POWER UP AND TRANSMIT TIMING
POWER UP AND TRANSMIT TIMING REQUIREMENTS
PWM FORMAT SUMMARY (VPWM = 0)
E
T
E
T
TXWAK = 0
LOGIC ‘0’
LOGIC ‘1’
DB
Preamble
T
P
T
TD
T
BP
Header
T
TXWAK = 1
H
Symbol
T
T
T
T
Preliminary
BP
TD
DB
TO
T
Code
Word
BP
1
Encrypted Portion
T
TO
of Transmission
Word Time
10 + Code
LOGIC ‘0’
LOGIC ‘1’
Code Word Transmission
T
Min
4.5
15
HOP
4
Code
Word
2
Word Time
26 + Code
Max
Code
Word
26
13
35
3
Fixed portion of
Transmission
T
FIX
Unit
ms
ms
ms
Code
Word
s
n
HCS361
DS40146C-page 17
Guard
Time
T
Remarks
(Note 1)
(Note 2)
(Note 3)
G