API8208A View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS
Part Name
Description
Manufacturer
API8208A Datasheet PDF : 10 Pages
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APLUS
BLOCK DIAGRAM
API8208A
OSC
TG1
TG2
TG3
TG4
SBT
IRP
OUT1
OUT2
OUT3
OSCILLATOR
CLOCK
GENERATOR
CONTROL
LOGIC
OUTPUT
DRIVER
ADDRESS
SEQUENCER
VOICE
EPROM
ADPCM
DECODER
POP NOISE
REDUCTION
D/A
BUZZER
BUFFER
VCC
GND
COUT
VOUT1
VOUT2
PIN CONFIGURATIONS
300-mil PDIP
OUT1 1
VOUT1 2
VOUT2 3
GND 4
OUT2 5
OUT3 6
COUT 7
OSC 8
16 IRP
15 SBT
14 TG4
13 TG3
12 VCC
11 TG2
10 TG1
9 VPP
PIN DESCRIPTION
OUT1 Programmable output 1
OUT2 Programmable output 2
OUT3 Programmable output 3
VOUT1 PWM audio signal output for buzzer and speaker
VOUT2 PWM audio signal output for buzzer and speaker
GND Power ground
COUT Current output from internal DAC for speaker playback
OSC Oscillatorresistorpintocontrolsamplingfrequency
VPP Program power supply, no connect when voice playback
TG1 Trigger switch 1, internal pull low, active high
TG2 Trigger switch 2, internal pull low, active high
VCC Positive power supply
TG3 Trigger switch 3, internal pull low, active high
TG4 Trigger switch 4, internal pull low, active high
SBT Sequential trigger, internal pull low, active high
IRP Interrupt to stop playback, internal pull low, active high
Note:
1. The following pins are used to program data into the memory:
pins 4, 5, 6, 8, 9, 12, 15 and 16.
3
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