AP8842 Datasheet, PDF (6/14 Pages) Aplus Intergrated Circuits – 42 sec VOICE OTP

Integrated Circuits Inc. aP8842
„ Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
S8
OUT1
V_OUT1
V_OUT2
V_SS
OUT2
OUT3
C_OUT
OSC
S5
S6
VPP
S1
S2
V_DD
S3
S4
SBT
IRP
S7
I/O/P
Function
I Trigger switch 8, internal pull low, active high
O Programmable output 1
O PWM audio signal output 1 for buzzer & speaker
O PWM audio signal output 2 for buzzer & speaker
P Power ground
O Programmable output 2
O Programmable output 3
O Current output from internal DAC for speaker playback
I Oscillator resistor pin to control sampling frequency
I
Trigger switch 5 / CPU Addr.5 ( MSB ),
ʳ˼́̇˸̅́˴˿ʳ̃̈˿˿ʳ˿̂̊ʿʳ˴˶̇˼̉˸ʳ˻˼˺˻
I Trigger switch 6, internal pull low, active high
P Program power, must connect to VDD when playback
I ^{Trigger switch 1 / CPU Addr.1 ( LSB ),}
internal pull low, active high
I ^{Trigger switch 2 / CPU Addr.2,}
internal pull low, active high
P Positive power supply
I ^{˧̅˼˺˺˸̅ʳ̆̊˼̇˶˻ʳˆʳ˂ʳ˖ˣ˨ʳ˔˷˷̅ˁˆʿʳʳ}
internal pull low, active high
I ^{˧̅˼˺˺˸̅ʳ̆̊˼̇˶˻ʳˇʳ˂ʳ˖ˣ˨ʳ˔˷˷̅ˁˇʿʳʳ}
internal pull low, active high
I Key Sequential/CPU trigger, internal pull low, active
high
I Interrupt to stop playback, internal pull low, active high
I Trigger switch 7, internal pull low, active high
Note1: The following pins are used to program data into the memory: 5 – 7 and 9 - 20.
Note2: Vpp and Vcc MUST be connected to positive power supply during normal playback. However, they MUST be
separated during data programming.
Ver 1.3
6