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Chapter 2: Board Components
2–33
General User Interfaces
© March 2009 Altera Corporation
Cyclone III 3C120 Development Board Reference Manual
1
The particular model used does not have a backlight and the LCD drive pin is not
connected.
Table 2–38
lists the character LCD display component reference and manufacturing
information.
Graphics LCD (J13)
The board contains a 30-pin, fine-pitch connector to interface directly to a 128 × 64 dot
matrix graphics LCD display via a flex-cable that is soldered to the display itself. The
display is an Optrex part number F-51852GNFQJ-LB-AIN (blue pixels) or
F-51852GNFQJ-LB-CAN (green pixels). The pin-out of this interface connector is
compatible with a variety of displays.
1
The data signals are bused with the 14-pin LCD header.
f
For the graphics LCD data sheet and related documentation, visit
www.optrex.com
.
Table 2–39
lists the graphics LCD pin name, description, and type. Signal name and
direction are relative to the Cyclone III FPGA.
Figure 2–8.
LCD Display Block Diagram
Block Diagram
16 X 2, 1/16 D
u
ty, 1/5 Bias
E
SEC
8
0
COM 16
R/
W
RS
V
ss
V
DD
V
o
DB[7:0]
LCD
Panel
LCD
Controller
LSI
and
Dri
v
er
LED Backlight
A
K
Table 2–38.
Character LCD Display Component Reference and Manufacturing Information
Board
Reference
Description
Manufacturer
Manufacturing
Part Number
Manufacturer
Website
J4
2 × 7 pin, 100 mil, vertical header
Samtec
TSM-107-01-G-DV
www.samtec.com
2 × 16 character display, 5 × 8 dot
matrix
Lumex
LCM-S01602DSR/C
www.lumex.com
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