isd18b00 Winbond Electronics Corp America, isd18b00 Datasheet - Page 5

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

4. PAD DESCRIPTION
PAD NAME
MICOUT
PLAYE
PLAYL
MICIN
SPK+
TryMe
RECL
RECE
LEDP
SPK-
Rosc
V
V
V
V
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
SE
FT
SSD
SSA
CCA
CCD
I / O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
--
--
--
--
--
--
--
--
--
--
Digital Ground: Ground path for digital circuits.
Level-Triggered Record: Low active input, Level-hold.
Edge-Triggered Playback: Low active input, Edge-trigger,
Level-Triggered Playback: Low active input, Level-hold.
Edge-Triggered Record: Low active input, Edge-trigger,
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
Microphone Input: The MICIN transfers input signal to the on-chip
microphone amplifier.
NC: No Connect
Microphone Output: Output of the microphone amplifier.
NC: No Connect
NC: No Connect
SPK-: The negative signal of the differential speaker outputs.
Analog Ground: Ground path for analog circuits.
SPK+: The positive signal of the differential speaker outputs.
Power Supply: Power supply for analog circuits.
Oscillator Resistor: Connect an external resistor from this pin to V
select the sampling frequency
Feed-Through (FT): Low active input, Level-hold, Feed-through microphone
input to speaker outputs while in active state.
NC: No Connect
NC: No Connect
TryMe Mode : High active input, Level-hold. A special operating mode.
Tied to
Tide to V
LED output for Playback: During playback, this output is Low.
NC: No Connect
Sound Effect: Low active input, Level-hold, optional beeping sound effect.
Tied to
Tied to V
Power Supply: Power supply for digital circuits.
RECL
LEDR
CCD
CCD
or leave unconnected for TryMe mode.
if no sound effect desired.
or
to activate sound effect during record.
RECE
for normal operations.
- 5 -
FUNCTION
PRELIMINARY ISD18B00
Publication Release Date: Oct 2, 2008
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Revision 0.5