Specifications

2–34 Chapter 2: Board Components
General User Interfaces
Cyclone III 3C120 Development Board Reference Manual © March 2009 Altera Corporation
f For more information about the data sheet and related documentation, visit Lumex at
www.lumex.com.
Table 2–39. Graphics LCD Interface I/O
Board
Reference Description I/O Standard Schematic Signal Name
Cyclone III Device
Pin Number
J13 pin 6 LCD data bus bit 0 2.5 V LCD_DATA0 AA4
J13 pin 7 LCD data bus bit 1 2.5 V LCD_DATA1 AD1
J13 pin 8 LCD data bus bit 2 2.5 V LCD_DATA2 V8
J13 pin 9 LCD data bus bit 3 2.5 V LCD_DATA3 AB5
J13 pin 10 LCD data bus bit 4 2.5 V LCD_DATA4 AE2
J13 pin 11 LCD data bus bit 5 2.5 V LCD_DATA5 V5
J13 pin 12 LCD data bus bit 6 _or SCLK 2.5 V LCD_DATA6 V6
J13 pin 13 LCD data bus bit 7 _or SDATA 2.5 V LCD_DATA7 AB3
J13 pin 28 Parallel interface selection
_high = 68 series, low = 80 series
2.5 V LCD_BS1 (1)
J13 pin 1 LCD chip select 2.5 V LCD_CSn AB24
J13 pin 3 LCD data/command select 2.5 V LCD_D_Cn D27
J13 pin 5 LCD read enable 2.5 V LCD_E_RDn V7
J13 pin 2 LCD reset 2.5 V LCD_RSTn H7
J13 pin 29 LCD parallel/serial data select 2.5 V LCD_SERn (1)
J13 pin 4 LCD write enable 2.5 V LCD_WEn AC4
Note to Table 2–39:
(1) For the corresponding Cyclone III device pin number, refer to the MAX II device pin-out information in Table 2–5 on page 2–7.