ISD14B20 WINBOND [Winbond], ISD14B20 Datasheet - Page 6

• Manufacturer Part Number: ISD14B20
• Description: SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 10.6- TO 32-SECONDS DURATION
• Manufacturer: WINBOND [Winbond]

4. PAD DESCRIPTION
PLAYL
MIC+ / AnaIn
PAD NAME
S3
E3
S1
S2
E0
E2
S0
E1
V
V
AGC
V
V
V
SP+
SP-
SSP2
SSP1
CCP
SSD
SSA
/
/
/
/
/
/
/
/
M6
M2
M3
/
M5
M7
M8
M4
M1
FMC1
I / O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Digital Ground: Ground path for digital circuits.
& debounce existed.
& debounce existed.
& debounce existed.
& debounce existed.
addresses, debounce & internal pull-up existed. Holding
perform looping playback function from start to end addresses with insignificant
dead time between messages regardless of sampling frequencies.
various fixed-message configurations.
& debounce existed.
Analog Ground: Ground path for analog circuits.
& debounce existed.
& debounce existed.
& debounce existed.
Ground: Ground for negative PWM speaker driver.
SP-: Negative signal of the differential Class-D PWM speaker outputs. This output,
together with the SP+, is used to drive an 8Ω speaker directly.
Speaker Power Supply: Power supply for PWM speaker drivers.
SP+: Positive signal of the differential Class-D PWM speaker outputs. This output,
together with the SP-, is used to drive an 8Ω speaker directly.
Ground: Ground for positive PWM speaker driver.
Automatic Gain Control (AGC): The AGC adjusts the gain of the microphone
preamplifier circuitry.
• MIC+ : Non-inverting input of the differential microphone signal.
• AnaIn : When
M1
M2
M3
M4
PLAYL
FMC1
E0
M5
E1
M6
E2
M7
E3
M8
S0
S1
S2
S3
[1]
input with 1Vp-p maximum input amplitude and feed-through to the speaker
outputs.
[1]
[1]
[1]
[1]
[1]
: When
[1]
[1]
: When
: When
: When
: When
: When
: When
: When
: In Norm mode, End Address Bit 1.
: In Norm mode, Start Address Bit 1.
: In Norm mode, End Address Bit 0.
: In Norm mode, End Address Bit 2.
: In Norm mode, End Address Bit 3.
: In Norm mode, Start Address Bit 0.
: In Norm mode, Start Address Bit 2.
: In Norm mode, Start Address Bit 3.
: When
: In Norm mode, low active input, Level-hold playback start to end
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
FT
is active, l
is active, l
is active, l
is active, l
is active, l
is active, l
is active, l
is active, l
is selected, the MIC+ input is configured to a single-ended
is active,
- 6 -
ow active operation on 1
ow active operation on 2
ow active operation on 3
ow active operation on 4
ow active operation on 5
ow active operation on 6
ow active operation on 7
ow active operation on 8
FUNCTION
FMC1
Publication Release Date: October 9, 2007
,
t
ogether with
nd
st
rd
th
th
th
th
th
PLAYL
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
Message. Internal pull-up
FMC2
Low constantly will
ISD14B20
&
FMC3
Revision 0
, setup