HCS200 datasheet(14/16 Pages) MICROCHIP

14 / 16 page

HCS200

DS40138A-page 14

Preliminary

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

(Note 1)

Transmit delay from button detect

TTD

Debounce Delay

TDB

615

Auto-shutoff time-out period

TTO

120

(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

Detect

TDB

PWM

TTD

Code Word Transmission

TTO

Code

Word

Code

Word

Code

Word

Code

Word

TBP

LOGIC ‘0’

LOGIC ‘1’

Preamble

Header

Encrypted Portion

of Transmission

Fixed portion of

Transmission

Guard

Time

THOP

TFIX

TBP

TE TE TE

Preamble

Header

P12

23 TE

10 TE

Data Word

Transmission

Bit 0

Bit 1

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