HCS361 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

HCS361

KEELOQ® Code Hopping Encoder

Microchip Technology 

HCS361

FIGURE 9-1:

POWER-UP AND TRANSMIT TIMING

Button Press

Detect

TBP

Multiple Code Word Transmission

TTD

TDB

PWM

Output

Code

Word

1

Code

Word

2

Code

Word

3

Code

Word

4

Code

Word

n

TTO

Button

Input

Sn

TABLE 9-3: POWER-UP AND TRANSMIT TIMING REQUIREMENTS

VDD = +2.0 to 6.6V

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 26 + Code

ms

Word Time Word Time

(Note 1)

Transmit delay from button detect

TTD

4.5

26

ms

(Note 2)

Debounce delay

TDB

4

13

ms

Auto-shutoff time-out period

TTO

15

35

s

(Note 3)

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 time-out period is not tested.

DS40146F-page 26

© 2011 Microchip Technology Inc.

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