hcs410 Microchip Technology Inc., hcs410 Datasheet - Page 28

• Manufacturer Part Number: hcs410
• Description: Keeloq Code Hopping Encoder And Transponder Keeloq Code Hopping Encoder And Transponder
• Manufacturer: Microchip Technology Inc.

HCS410
FIGURE 5-1:
TABLE 5-3:
DS40158E-page 28
V
Commercial (C):T
Industrial
Time to second button press
Transmit delay from button detect
Debounce delay
Auto-shutoff time-out period
Note 1: T
DD
= +2.0V to 6.3V
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
Parameter
is the time in which a second button can be pressed without completion of the first code word and the
(I): T
POWER UP AND TRANSMIT TIMING
POWER UP AND TRANSMIT TIMING REQUIREMENTS
AMB
AMB
T
= 0°C to +70°C
= -40°C to +85°C
DB
T
TD
T
BP
Symbol
T
T
T
T
BP
TD
DB
TO
Preliminary
Word Time
44 + Code
Code
Word
Min
1
39
31
18
T
TO
Code Word Transmission
Word Time
58 + Code
Code
Word
2
Typ.
44
35
20
Code
Word
Word Time
63 + Code
3
Max
48
39
22
 2001 Microchip Technology Inc.
Code
Word
n
Unit
ms
ms
ms
s
Remarks
(Note 1)
(Note 2)
(Note 3)