isd18b00 Winbond Electronics Corp America, isd18b00 Datasheet - Page 10

• Manufacturer Part Number: isd18b00
• Description: Single-chip, Single-message Voice Record/playback Device
• Manufacturer: Winbond Electronics Corp America

•
5.12. Speaker Outputs
•
5.13. TryMe Special Operation:
This is a special feature. When
The enabling and disabling of this feature is merely permitted while the device is in power down status.
Once
active, the device performs a combination of the followi
automatic playback the just-recorded message once, a
up exists.
The details of each operation are described as follows:
a)
b)
c)
After completion of this TryMe operation, the device returns to sta
operation starts, any input o other controls is illegal.
As a
Und r no circumstances, while this special operation is in progress, neither the power is disturbed
nor a
bec
oming malfunction.
When R
faster or slower.
SPK+ and SPK- are used to
power down status.
Recording:
•
•
Playback:
•
•
Erasure:
•
e
Fig 6: TryMe function via (
Pin
Logic Level
summary, th
ny change of state on othe
TryMe
The recording behavior follows the characteristics of the selected record pin,
While recording, the
Upon completion of recording, the device automatic plays the just-recorded message once and
stops. During this operation, change of state on any control pins is prohibited.
While playback, the
Upon completion of playback, the device will involuntary delete the recorded message. During this
operation, change of state on any control pins is banned.
OSC
is set, trigger on either
resistor v
e TryM
TryMe
1
1
e m
alue
n
ode starts
LEDP
LEDR
TryMe
is change
TryMe
drive
r c
RECL
is on if an LED is connected appropriately.
is on if an LED is connected appropriately.
in
0
1
+
ontrol pins
RECL
the following conditions:
an 8Ω speaker differentially. They are tri-state while device is in
d durin
RECL
is High, TryMe is active. When
or
)
g playback, the tone of a recorded message will alter either
RECE
- 10 -
RECE
are permitted. Otherwise, it may cause the device
1
0
PRELIMINARY ISD18B00
nd then delete the recorded message. Internal pull-
ng 3 operations sequentially: record a new message,
will initiate the T
ndby state automatically. Once playback
Publication Release Date: Oct 2, 2008
ryMe
TryMe
operation sequence. While
is Low, TryMe is disabled.
RECL
or
Revision 0.5
RECE
.