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SN6A297 Datasheet(PDF) 2 Page - SONiX Technology Company |
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SN6A297 Datasheet(HTML) 2 Page - SONiX Technology Company |
2 / 6 page SN6A297 LCD Controller with Voice/Dual Tone Melody May 24, 2001 2 PIN ASSIGNMENT Symbol I/O Function Description SEG1-SEG40 O Segment 1~40 for LCD driver. COM8-COM1 O Com8-Com1 for 8*40 LCD driver. GND I Negative power supply. P23-P20 I/O Bit 3 to bit 0 of IO port 2. P33-P30 I/O Bit 3 to bit 0 of IO port 3. P43-P40 O Bit 3 to bit 0 of IO port 4. VO O D/A current output. RESET I Reset pin with internal pull low. OSC I Oscillation component connection pin. TEST I For testing only. XIN,XOUT 32768 Hz Crystal connection pins. VDD I Positive power supply. VLCDR LCD voltage adjusting pin. VLC1, VLC2, VLC3, VLC4 LCD voltage bias connection pins. |
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