isd18b12 Winbond Electronics Corp America, isd18b12 Datasheet - Page 5

• Manufacturer Part Number: isd18b12
• Description: Single-chip, Single-message Voice Record/playback Device 6- To 12-seconds Duration
• Manufacturer: Winbond Electronics Corp America

4. PAD DESCRIPTION
PAD NAME
MICOUT
PLAYE
PLAYL
MICIN
RECE
TryMe
LEDR
RECL
LEDP
Rosc
V
V
V
V
SP+
SP-
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
FT
SE
SSD
CCA
CCD
SSA
I / O
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
SP-: The negative signal of the differential speaker outputs.
Analog Ground: Ground path for analog circuits.
SP+: 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.
LED output for Playback: During playback, this output is Low.
NC: No Connect
Sound Effect: Low active input, Level-hold, optional beeping sound effect.
Power Supply: Power supply for digital circuits.
LED output for Recording: During recording, this output is Low.
- 5 -
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Publication Release Date: August 31, 2007
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