W538A808 controller equivalent, 8-ch speech/melody/lcd controller.
... 3 3. PIN description ... 5 4. Electrical Characteristics ........ 7
4.1. ABSOLUTE MAXIMUM RATINGS... 7 4.2. D.C. Characteristics ..... 7 4.3. AC CHARATERISTICS 9 4.4..
Using the SIM, the W538A8xx can access Winbond-proprietary, serial-memory chips W55Fxx and W551Cxxx.
It is also ideal f.
...... 2 2. Features ... 3 3. PIN description ... 5 4. Electrical Characteristics ........ 7
4.1. ABSOLUTE MAXIMUM RATINGS... 7 4.2. D.C. Characteristics ..... 7 4.3. AC CHARATERISTICS 9 4.4. Main-Clock oscillation Freq Vs. Resistor . 10 4.5. Sub-Clo.
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