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參數資料
| 型號： | W523M02 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | HIGH FIDELITY PowerSpeech-TM |
| 中文描述： | 高保真PowerSpeech，商標 |
| 文件頁數： | 13/14頁 |
| 文件大?。?/td> | 90K |
| 代理商： | W523M02 |
W523SXX
(PRELIMINARY)
Publication Release Date: Oct 2000
- 13 -
Revision A5
2. Rs is an optional current-dividing resistor. If Rs is added, the resistance should be between 390 and 820 ohm.
3. The typical Rosc = 1.2 Mohm for 3 MHz Fosc; and Rosc = 2.4 Mohm for 1.5 MHz Fosc.
4. Cs is optional.
5. The DC current gain of the NPN transistor ranges from 120 to 200.
6. All unused trigger pins can be left open because of their internal pull-high resistance.
7. The OSC layout in customer’s PCB should be as closed as the OSC pad to avoid noise coupling.
8. The chip’s substrate must be wired to Vss.
2. PWM output:
Note:
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 varing Rosc, however.
2. The typical Rosc = 1.2 Mohm for 3 MHz Fosc; and Rosc = 2.4 Mohm for 1.5 MHz Fosc.
3. The capacity, 10 uF, is necessary to reduce voltage fluctuation while PWM outputting.
4. All unused trigger pins can be left open because of their internal pull-high resistance.
5. The OSC layout in customer’s PCB should be as closed as the OSC pad to avoid noise coupling.
6. The chip’s substrate must be wired to Vss.
VDD (2.4V ~ 5.5V)
TG1
TG2
TG5
TG6
/RESET
VDD2
VDD1
TEST
LED1
OSC
STPA/BUSY
STPB
VSS2
VSS1
LED2/STPC
STPD
STPE
AUD/SPK+
SPK-
Rosc
Speaker
8 ohm
watt
LED
100 ohm
LED
100 ohm
W523Sxx
10 uF
相關PDF資料 |
PDF描述 |
|---|---|
| W523S08 | HIGH FIDELITY PowerSpeech-TM |
| W523S10 | HIGH FIDELITY PowerSpeech-TM |
| W523S12 | HIGH FIDELITY PowerSpeech-TM |
| W523S15 | HIGH FIDELITY PowerSpeech-TM |
| W523S20 | HIGH FIDELITY PowerSpeech-TM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W523S08 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:HIGH FIDELITY PowerSpeech-TM |
| W523S10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:HIGH FIDELITY PowerSpeech-TM |
| W523S12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:HIGH FIDELITY PowerSpeech-TM |
| W523S15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:HIGH FIDELITY PowerSpeech-TM |
| W523S20 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:HIGH FIDELITY PowerSpeech-TM |
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