W522AXXX
APPLICATION CIRCUIT
VDD
W522AXXX
Rosc
OSC
VDD
O/P
TG
R
C
0.1 uF
VSS
100 ohm
PWM+
PWM-
Speaker 8 ohm
¼ watt
Notes:
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. The typical value of Rosc is 510K ohm.
2. The capacitor, C (0.1uF), shunted between VDD and VSS is necessary for PWM output.
3. R is used to limit the current on the LED.
4. No warranty for production.
Headquarters
Winbond Electronics Corporation America Winbond Electronics (Shanghai) Ltd.
27F, 2299 Yan An W. Rd. Shanghai,
2727 North First Street, San Jose,
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886-3-5665577
200336 China
CA 95134, U.S.A.
TEL: 1-408-9436666
FAX: 1-408-5441798
TEL: 86-21-62365999
FAX: 86-21-62365998
http://www.winbond.com.tw/
Taipei Office
Winbond Electronics Corporation Japan
7F Daini-ueno BLDG, 3-7-18
Shinyokohama Kohoku-ku,
Yokohama, 222-0033
Winbond Electronics (H.K.) Ltd.
Unit 9-15, 22F, Millennium City,
No. 378 Kwun Tong Rd.,
Kowloon, Hong Kong
9F, No.480, Rueiguang Rd.,
Neihu Chiu, Taipei, 114,
Taiwan, R.O.C.
TEL: 886-2-8177-7168
FAX: 886-2-8751-3579
TEL: 81-45-4781881
FAX: 81-45-4781800
TEL: 852-27513100
FAX: 852-27552064
Please note that all data and specifications are subject to change without notice.
All the trade marks of products and companies mentioned in this data sheet belong to their respective owners.
Publication Release Date: May. 2002
Revision A2
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