IS22C040 View Datasheet(PDF) - Integrated Silicon Solution
Part Name
Description
Manufacturer
IS22C040 Datasheet PDF : 13 Pages
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IS22C040
PIN CONFIGURATION
20-Pin 300-mil PDIP
S8 1
LED1 2
VOUT1 3
VOUT2 4
GND 5
STP 6
LED2 7
COUT 8
OSC 9
S5 10
20 S7
19 IRP
18 SBT
17 S4
16 S3
15 VCC
14 S2
13 S1
12 VPP
11 S6
ISSI ®
PIN DESCRIPTIONS
Name I/O
S8
I
LED1
O
VOUT1
O
VOUT2
O
GND
—
STP/BUSY O
LED2
O
COUT
O
OSC
I
S5
I
Function
Trigger Switch 8, Internal Pull
LOW, Active HIGH
Drives First LED Flash at 3 Hz,
Active LOW
PWM Audio Signal Output for
Buzzer
Compliment PWM Audio Signal
Output for Buzzer
Power Ground
Generate 30 ms Pulse or Busy
Signal After Voice Playback
Drives Second LED Flash at 3 Hz,
Active LOW
Current Output from Internal
DAC for Speaker Playback
Oscillator Resistor Pin to
Control Sampling Frequency
Trigger Switch 5, Internal Pull
LOW, Active HIGH
Name I/O
S6
I
VPP
—
S1
I
S2
I
VCC
—
S3
I
S4
I
SBT
I
IRP
I
S7
I
Function
Trigger Switch 6, Internal Pull
LOW, Active HIGH
Program Power Supply, No
Connect When Voice Playback
Trigger Switch 1, Internal Pull
LOW, Active HIGH
Trigger Switch 2, Internal Pull
LOW, Active HIGH
Positive Power Supply
Trigger Switch 3, Internal Pull
LOW, Active HIGH
Trigger Switch 4, Internal Pull
LOW, Active HIGH
One Key or Sequential Trigger,
Internal Pull LOW, Active HIGH
Interrupt to Stop Playback, Internal
Pull LOW, Active HIGH
Trigger Switch 7, Internal Pull
LOW, Active HIGH
Note:
1. The following pins are used to program data into the memory on the chip: pins 5, 6, 7, 9, 12, 15, 18 and 19.
4
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. D
02/25/00
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