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W562S30 Datasheet(PDF) 5 Page - Winbond |
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W562S30 Datasheet(HTML) 5 Page - Winbond |
5 / 8 page W562XXX Publication Release Date: June 3, 2003 - 5 - Revision A5 3. BLOCK DIAGRAM I/O Controller Dual Tone Melody Generator RAM Special Register Timing Generator OSC P0 P1 P2 P3 Synthesizer I ALU Timer ROM DAC Mixer 38KHz carrier Synthesizer II * 4. PAD DESCRIPTION NAME I/O DESCRIPTION TEST I Test pin, internally pulled low P0.0 −P0.3 I Interruptable input pins, internally pulled high P1.0 −P1.3 I/O I/O multiplexed port1. Interruptable port if selected as input P2.0 −P2.3 I/O I/O multiplexed port 2 P2.3 can be programmed as 38 KHz carrier output pin P3.0 −P3.3 O Output port 3 VSS - Negative power supply RESET I Reset all, functions as POR (Power On Reset), internally pulled high VDD - Positive power supply OSC I Connect ROSC to VDD to generate 3 MHz oscillator DAC O Current output of mixing of the channel 1 and channel 2 for driving an external speaker |
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