LICAL-DEC-HS001 Ver la hoja de datos (PDF) - Unspecified

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LICAL-DEC-HS001

HS SERIES DECODER DATA GUIDE

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Power Up

Set Baud Rate

Go To Sleep &

Wake On Interrupt

Is The

NO

COPY_IN Line

High?

YES

Pull MODE_IND

Line Low

Set Timer

YES

Did The

Timer Time

Out?

NO

Was There A

NO

Valid Packet?

YES

Did

Receive

NO

& Send

Confirmation

Pass?

YES

Pull MODE_IND

Line High

Save Data

Is The

NO

DATA

Line High?

YES

NO

Was There A

Valid Packet?

YES

Output Data

Output ID Value

Set 262mS Timer

YES

Did The

Timer Time

Out?

NO

Was There A

NO

Valid Packet?

YES

Output Data

Is Memory

NO

Full?

YES

Toggle

MODE_IND Twice

Set Decoder As

Copy

Is The

NO

LEARN Line

High?

YES

Pull MODE_IND

Line High

Is The

CREATE_KEY

Line High?

YES

NO

Is The

SEND_COPY

Line High?

YES

NO

Is The

NO

LEARN Line

High?

YES

NO

Has

10 Seconds

Elapsed?

YES

Pull MODE_IND

Line Low

Erase All Users

Toggle

MODE_IND Line

Has 17

Seconds

Elapsed?

YES

NO

Is The

LEARN Line

High?

YES

NO

Pull MODE_IND

Line High For 2

Seconds

NO

Was There A

Valid Packet?

YES

Update Access

Figure 7: HS Series Decoder Flowchart

Page 14

Any Data

NO

Accepted?

YES

Write User Access

Into Memory

Clear All Outputs

Is The

Decoder A

Copy?

YES

NO

Pull MODE_IND

Line High

Increment Counter

Did The

CREATE_KEY NO

Line Change?

Is The

Decoder A

Copy?

YES

YES

Add Counter's 4

Low Order Bits

Into Key

NO

Pull MODE_IND

Line High

Set 10-Second

Timer

NO

Is This The

10th Press?

YES

Pull MODE_IND

Line Low

Send User Data

Did The

Timer Time

Out?

YES

NO

Did

NO

Receive

& Send

Confirmation

Pass?

YES

NO

Is This The

Last User?

YES

Are The

CREATE_KEY NO

& LEARN Lines

Low?

YES

Send User Data

Did

Receive

NO

& Send

Confirmation

Pass?

YES

Save User Data

Pull MODE_IND

High For 1 Sec.

Page 15

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