AP8821 APLUS [Aplus Intergrated Circuits], AP8821 Datasheet - Page 6

• Manufacturer Part Number: AP8821
• Description: 21 sec VOICE OTP
• Manufacturer: APLUS [Aplus Intergrated Circuits]

Pin Description
Note: The following pins are used to program data into the memory:
Pin No.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
pin 4, 5, 6, 8, 9, 12,15 and16.
OUT3
OUT1
OUT2
Name
V
V
C
OSC
V
VPP
SBT
V
IRP
S1
S2
S3
S4
OUT1
OUT2
OUT
DD
SS
Integrated Circuits Inc.
I/O/P
O
O
O
O
O
O
P
P
P
I
I
I
I
I
I
I
Programmable output 3
PWM audio signal output 1 for buzzer & speaker
PWM audio signal output 2 for buzzer & speaker
Power ground
Programmable output 1
Programmable output 2
Current output from internal DAC for speaker playback
Oscillator resistor pin to control sampling frequency
Program power,
must connect to VDD when playback
Trigger switch 1 / CPU Addr.1( LSB ),
Trigger switch 2 / CPU Addr.2,
Positive power supply
Trigger switch 3 / CPU Addr.3,
internal pull low, active high
Trigger switch 4 / CPU Addr.4 ( MSB ),
Key Sequential/CPU trigger, internal pull low, active
high
Interrupt to stop playback, internal pull low, active high
internal pull low, active high
internal pull low, active high
internal pull low, active high
6
Function
aP8821