IS22C022 View Datasheet(PDF) - Integrated Silicon Solution
Part Name
Description
Manufacturer
IS22C022 Datasheet PDF : 11 Pages
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IS22C022
BLOCK DIAGRAM
ISSI ®
OSC
S1
S2
S3
S4
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 S4
13 S3
12 VCC
11 S2
10 S1
9 VPP
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
11/15/99
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
S1 Trigger switch 1, internal pull low, active high
S2 Trigger switch 2, internal pull low, active high
VCC Positive power supply
S3 Trigger switch 3, internal pull low, active high
S4 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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