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參數資料
| 型號： | W528S60 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | ADPCM VOICE SYNTHESIZER |
| 中文描述： | 60 SEC, SPEECH SYNTHESIZER, UUC15 |
| 文件頁數： | 15/17頁 |
| 文件大小： | 529K |
| 代理商： | W528S60 |
W528SXX
Publication Release Date: June 13, 2003
- 15 - Revision A2
8. APPLICATION CIRCUIT
DD
Speaker
8 ohm
1/4 watt
OSC
Rosc
TG1
TG2
TG3
TG4/LED2/STPC
LED1
STPB
STPA
SPK
SS
Rs
C
8050 D
V
V
DD
39/100 ohm
R
V
Notes:
Case 2: V
DD
= 4.5V, R = 39
for 2/3 LEDs and R = 100
for 1 LED.
7. No warranty for production.
1. In principle, the playing speed determined by ROSC should correspond to the sampling rate during the coding phase.
The playing speed may be adjusted by varying ROSC, however.
2. Rs is an optional current-dividing resistor. If Rs is added, the resistance should be between 470 and 750
.
3. Cs is optional.
4. The DC current gain
β
of transistor 8050 ranges from 120 to 200.
5. All unused trigger pins can be left open because of their internal pull-high resistance.
6. R is used to limit the current on the LED. Case 1: V
DD
= 3V, R = 39
for 1/2/3 LEDs.
8.1 Supplement
A. Power Bouncing
If an irregularity (such as bouncing) occurs in the power supply to V
DD
, as shown in the diagram, the
W528Sxx may hang or the logic state machine may lock up. To return the chip to normal operation,
short V
DD
and V
SS
for the W528Sxx and then release again.
Power bouncing
Battery
Power on
W528SXX
V
DD
Power on reset
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相關代理商/技術參數 |
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|---|---|
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| W530-02 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Frequency-multiplying, Peak-reducing EMI Solution |
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