LCD44780 LCD44780 LCD44780 LCD44780 LCD44780 LCD44780 LCD44780 MCE2VGA MCE2VGA MCE2VGA MCE2VGA MCE2VGA MCE2VGA Converter: GBS8219 Converter: GBS8219 Converter: GBS8219 LCD44780 LCD44780 LCD44780 LCD44780 MCE2VGA MCE2VGA MCE2VGA Converter: GBS8219 Converter: GBS8219 Converter: GBS8219 Converter: GBS8200 Converter: GBS8200 Converter: GBS8200 LCD44780 LCD44780 LCD44780 LCD44780 VSS VDD VEE VSS VDD VEE VSS VDD VEE VSS VDD VEE HD44780 HD44780 HD44780 HD44780 HD44780 MCE2VGA MCE2VGA MCE2VGA Converter: GBS8219 Converter: GBS8219 Converter: GBS8219 Converter: GBS8219 Converter: GBS8200 Converter: GBS8200 RS RW E RS RW E RS RW E RS RW E RS - Register Select RS - Register Select RS - Register Select RS - Register Select RS - Register Select RW - Read Write RW - Read Write RW - Read Write RW - Read Write RW - Read Write E - enable, disable E - enable, disable E - enable, disable LCD HD44780 LCD HD44780 LCD HD44780 LCD HD44780 ATA-1 ATA-2 ATA-3 ATA-1 ATA-2 ATA-3 ATA-1 ATA-2 ATA-3 ATA-1 ATA-2 ATA-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7 ATA-1 ATA-2 ATA-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7 2, 19, 22, 24 2, 19, 22, 24 2, 19, 22, 24 2, 19, 24, 24 2, 19, 22, 24 2, 19, 22, 24 2, 19, 22, 24 2, 19, 22, 24 26, 30, 40 26, 30, 40 26, 30, 40 2, 19, 22, 24, 26, 30, 40 2, 19, 22, 24, 26, 30, 40 2, 19, 22, 24, 26, 30, 40 2, 19, 22, 24, 26, 30, 40 2, 19, 22, 24, 26, 30, 40 B1:B31 B1:B31 B1:B31 B1:B31 B1:B31 B1:B31 A1:A31 A1:A31 A1:A31 A1:A31 A0:A19 A0:A19 A0:A19 A0:A19 A0:A19 IRQ3:IRQ7 IRQ3:IRQ7 IRQ3:IRQ7 IRQ3:IRQ7 D0:D7 D0:D7 D0:D7 D0:D7 HD44780 HD44780 HD44780 RS - Register Select RW - Read Write E - Enable/Disable RS - Register Select RW - Read Write E - Enable/Disable RS - Register Select RW - Read/Write E - Enable/Disable RS - Register Select RW - Read/Write E - Enable/Disable RS - Register Select RW - Read/Write E - Enable/Disable GBS8219 GBS8200 GBS8219 GBS8200 GBS8219 GBS8200 MCE2VGA MCE2VGA MCE2VGA LCD HD44780 LCD HD44780 LCD HD44780 VSS VDD VEE VSS VDD VEE VSS VDD VEE VSS VDD VEE B1:B31 A1:A31 B1:B31 A1:A31 A1:A31 B1:B31 A0:A19 A0:A19 A0:A19 A0:A19 IRQ3 ... IRQ7 IRQ3 ... IRQ7 IRQ3 .. IRQ7 IRQ3 .. IRQ7 IRQ3 .. IRQ7 D0:D7 D0:D7 D7:D0 D7:D0 D7:D0 D1:D18 C1:C18 D1:D18 C1:C18 D1:D18 C1:C18 8253 - PIT 8253 - PIT 8253 - PIT 8253 - PIT 8253 - PIT Programmable Intervall Timer Programmable Intervall Timer Programmable Intervall Timer CLK0, CLK1, CLK2 CLK0, CLK1, CLK2 CLK0, CLK1, CLK2 CLK0, CLK1, CLK2 CLK0, CLK1, CLK2 CLK0, CLK1, CLK2 OUT0, OUT1, OUT2 OUT0, OUT1, OUT2 OUT0, OUT1, OUT2 OUT0, OUT1, OUT2 GATE0, GATE1, GATE2 GATE0, GATE1, GATE2 GATE0, GATE1, GATE2 CLK0, CLK1, CLK2 OUT0, OUT1, OUT2 GATE0, GATE1, GATE2 CLK0, CLK1, CLK2 OUT0, OUT1, OUT2 GATE0, GATE1, GATE2 CLK0, CLK1, CLK2 OUT0, OUT1, OUT2 GATE0, GATE1, GATE2 CLK0, CLK1, CLK2 OUT0, OUT1, OUT2 GATE0, GATE1, GATE2 -WR -RD -CS -WR -RD -CS -WR -RD -CS -WR -RD -CS -WR -RD -CS PIC 8259A PIC 8259A PIC 8259A PIC 8259A Programmable Interrupt Controller Programmable Interrupt Controller Programmable Interrupt Controller Programmable Interrupt Controller CAS0, CAS1, CAS2 CAS0, CAS1, CAS2 CAS0, CAS1, CAS2 CAS0, CAS1, CAS2 D7:D0 D7:D0 D7:D0 D7:D0 D7:D0 D7:D0 IR7:IR0 IR7:IR0 IR7:IR0 IR7:IR0 IR7:IR0 8255 8255 8255 8255