CIRCUIT DESIGN STD-302 Manuale Utente Scaricare il pdf (Pagina 15)

OG_STD-302N-R-429M_v10e Circuit Design, Inc.

OPERATION GUIDE

Receiv e mode

RXSEL

STD-302

Po w er on

TXSEL

CPU contr ol,

CH change

Data rec.

Timing

Data transmit

#:6 10 to 20 ms later, the receiver can receive the data after changing the channel.

Data #:6

Data #:7

5 ms

10 to 20 ms

#:4 RFchannel change must be performed in receiving mode.

#:7 5 ms later, the data can be received if the RF channel is not changed.

5 ms

#:4

40 ms

CPU

Po w er on

CH Data #:5

5 ms

Check LD signal

Normal statusStatus immediately af ter pow er comes on.

Channel change No channel change

#:4

#:2 Initialize the port connected to the module.

#:3 Supply pow er to the module af ter initializing CPU.

#:1 Reset control CPU

#:1 #:2

#:4

#:3

#:5 40 ms later, the receiver can receive the data after changing the channel..

Figure 3: Timing diagram for STD-302

activ e period

Receiv e mode

active period

Receive mode

activ e period

Trans m it m ode

activ e

Check LD signal

Activ e period

Trans m it m ode

activ e

Trans m it m ode

activ e

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CIRCUIT DESIGN STD-302 Manuale Utente Pagina 15

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