Playback (supersedes record) operation, Isd14b20 – Rainbow Electronics ISD14B20 User Manual

Page 11

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ISD14B20

Publication Release Date: October 9, 2007

- 11 -

Revision 0

Part of

Message

PlayL

Sp+

Sp-

End of

Message

LED

<S3:S0>
<E3:E0>

Norm/Mode

T

Deb

T

ASet

Stop

Start

Start

T

Settle2

T

AHold

T

AHold

T

ASet

T

EOM

T

Deb

T

Deb

• However,

holding

PlayL

Low constantly will perform looping playback function, without power down,

from start address to end address.

Fig. 6: Looping playback function via

PlayL

PlayL

<S3:S0>
<E3:E0>

Norm/Mode

T

Deb

T

ASet

T

AHold

Sp+

Sp-

LED

T

EOM

T

EOM

5.1.4. Playback (Supersedes Record) Operation

• Playback takes precedence over the Recording operation.
• If

either

PlayE

or

PlayL

is activated during a recording cycle, the recording immediately ceases with

an EOM marker attached, and without power down, playback of the just-recorded message performs
accordingly. Then device powers down.

Fig. 7: An example of Playback supersedes Record

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