HCS410 datasheet(29/36 Pages) MICROCHIP

No. de pieza	HCS410

Descripción Electrónicos	KEELOQ CODE HOPPING ENCODER AND TRANSPONDER

PDF	36 Pages

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Fabricante Electrónico	MICROCHIP [Microchip Technology]

Página de inicio	http://www.microchip.com

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29 / 36 page

HCS410

Preliminary

DS40158C-page 29

FIGURE 5-1:

POWER UP AND TRANSMIT TIMING

TABLE 5-3:

POWER UP AND TRANSMIT TIMING REQUIREMENTS

VDD = +2.0 to 6.3V

Commercial (C):Tamb = 0

°C to +70°C

Industrial

(I): Tamb = -40

°C to +85°C

Parameter

Symbol

Min

Typ.

Max

Unit

Remarks

Time to second button press

TBP

34 + Code

Word Time

38 + Code

Word Time

42 + Code

Word Time

(Note 1)

Transmit delay from button detect

TTD

34.2

41.8

(Note 2)

Debounce delay

TDB

Auto-shutoff time-out period

TTO

(Note 3)

Time to ﬁrst LED on

TLST

—

240

—

LED high-time

TLH

—25—

LED high-time when battery low

TLHV

—

200

—

LED low-time

TLL

—

480

—

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: Transmit delay maximum value if the previous transmission was successfully transmitted.

3: The auto-shutoff timeout period is not tested.

Button Press

Detect

TDB

PWM

TTD

Code Word Transmission

TTO

Code

Word

Code

Word

Code

Word

Code

Word

TBP

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