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參數(shù)資料
| 型號(hào)： | 22C040 |
| 廠商： | Integrated Silicon Solution, Inc. |
| 英文描述： | HEMOCLAMP/HEMOSTAT (CURVED) |
| 中文描述： | 32至40秒即時(shí)語(yǔ)音光盤 |
| 文件頁(yè)數(shù)： | 4/11頁(yè) |
| 文件大?。?/td> | 58K |
| 代理商： | 22C040 |
ISSI
IS22C040
4
Integrated Silicon Solution, Inc.
VP009-1C
10/01/98
PIN DESCRIPTIONS
Name
I/O
Function
S8
I
Trigger Switch 8, Internal Pull LOW,
Active HIGH
LED1
O
Drives First LED Flash at 3 Hz,
Active LOW
V
OUT1
O
PWM Audio Signal Output for
Buzzer
V
OUT2
O
Compliment PWM Audio Signal
Output for Buzzer
GND
—
Power Ground
STP/BUSY
O
Generate 30 ms Pulse or Busy
Signal After Voice Playback
LED2
O
Drives Second LED Flash at 3 Hz,
Active LOW
C
OUT
O
Current Output from Internal DAC
for Speaker Playback
OSC
I
Oscillator Resistor Pin to Control
Sampling Frequency
S5
I
Trigger Switch 5, Internal Pull LOW,
Active HIGH
S6
I
Trigger Switch 6, Internal Pull LOW,
Active HIGH
V
PP
—
Program Power Supply, No
Connect When Voice Playback
S1
I
Trigger Switch 1, Internal Pull LOW,
Active HIGH
S2
I
Trigger Switch 2, Internal Pull LOW,
Active HIGH
V
CC
—
Positive Power Supply
S3
I
Trigger Switch 3, Internal Pull LOW,
Active HIGH
S4
I
Trigger Switch 4, Internal Pull LOW,
Active HIGH
SBT
I
One Key or Sequential Trigger,
Internal Pull LOW, Active HIGH
IRP
I
Interrupt to Stop Playback, Internal
Pull LOW, Active HIGH
S7
I
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.
PIN CONFIGURATION
20-Pin 300-mil PDIP
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
S8
LED1
V
OUT1
V
OUT2
GND
STP
LED2
C
OUT
OSC
S5
S7
IRP
SBT
S4
S3
V
CC
S2
S1
V
PP
S6
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