參數(shù)資料
型號(hào)： AP8821
廠(chǎng)商： Aplus Integrated Circuits Inc.
英文描述： 21 sec VOICE OTP
中文描述： 21秒語(yǔ)音檢察官辦公室
文件頁(yè)數(shù)： 6/13頁(yè)
文件大小： 112K
代理商： AP8821
Integrated Circuits Inc.
a
P8821
6
Pin Description
Pin No.
Name
I/O/P
Function
1
OUT3
O
Programmable output 3
2
V
OUT1
O
PWM audio signal output 1 for buzzer & speaker
3
V
OUT2
O
PWM audio signal output 2 for buzzer & speaker
4
V
SS
P
Power ground
5
OUT1
O
Programmable output 1
6
OUT2
O
Programmable output 2
7
C
OUT
O
Current output from internal DAC for speaker playback
8
OSC
I
Oscillator resistor pin to control sampling frequency
Program power,
must connect to VDD when playback
Trigger switch 1 / CPU Addr.1( LSB ),
internal pull low, active high
Trigger switch 2 / CPU Addr.2,
internal pull low, active high
Positive power supply
Trigger switch 3 / CPU Addr.3,
internal pull low, active high
Trigger switch 4 / CPU Addr.4 ( MSB ),
internal pull low, active high
Key Sequential/CPU trigger, internal pull low, active
high
9
VPP
P
10
S1
I
11
S2
I
12
V
DD
P
13
S3
I
14
S4
I
15
SBT
I
16
IRP
I
Interrupt to stop playback, internal pull low, active high
Note: The following pins are used to program data into the memory:
pin 4, 5, 6, 8, 9, 12,15 and16.
相關(guān)PDF資料
PDF描述
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