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MB90F809 Datasheet(PDF) 6 Page - Fujitsu Component Limited. |
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MB90F809 Datasheet(HTML) 6 Page - Fujitsu Component Limited. |
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6 / 92 page  MB90800 Series 6 DS07-13733-6E ■ PIN DESCRIPTION (Continued) Pin No. Pin Name I/O Circuit Type* Status/function at reset Function 92, 93 X1, X0 A Oscillation status It is a terminal which connects the oscillator. When connecting an external clock, leave the x1 pin unconnected. 13, 14 X0A, X1A B Oscillation status It is 32 kHz oscillation pin. (Dual-line model) P90, P91 G Port input (High-Z) General purpose input/output port. (Single-line model) 51 MD2 M Mode Pins Input pin for selecting operation mode. Connect directly to Vss. 52, 53 MD1, MD0 L Mode Pins Input pin for selecting operation mode. Connect directly to Vcc. 54 RST K Reset input External reset input pin. 63, 64, 67 to 76 SEG0 to SEG11 D LCD SEG output A segment output terminal of the LCD controller/ driver. 77 to 84 SEG12 to SEG19 E Port input (High-Z) A segment output terminal of the LCD controller/ driver. P00 to P07 General purpose input/output port. 85 to 89, 94 to 96 SEG20 to SEG27 E A segment output terminal of the LCD controller/ driver. P10 to P17 General purpose input/output port. 97 to 100, 1 to 4 SEG28 to SEG35 E A segment output terminal of the LCD controller/ driver. P20 to P27 General purpose input/output port. 5 SEG36 E A segment output terminal of the LCD controller/ driver. P30 General purpose input/output port. SO3 Serial data output pin of serial I/O ch.3. Valid when serial data output of serial I/O ch.3 is enabled. 6 SEG37 E A segment output terminal of the LCD controller/ driver. P31 General purpose input/output port. SC3 Serial clock I/O pin of serial I/O ch.3. Valid when serial clock output of serial I/O ch.3 is enabled. |
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