General User Interfaces
f
2–42
Cyclone III Development Board
Table 2–40
is an excerpt from the OPTREX data sheet showing pin
definitions for both serial and parallel interfaces. The included display
has a parallel interface.
For more information about the data sheet and related documentation,
visit Lumex at www.lumex.com.
Table 2–40. Graphics LCD Pin Definitions (Part 1 of 2)
Pin Number
Name
1
CS1
2
RES
3
A0
4
WR
5
RD
6
D0
7
D1
8
D2
9
D3
10
D4
11
D5
12
D6 (SCL)
13
D7 (S1)
14
V
D0
15
V
SS
16
V
OUT
17
C3-
18
C1+
19
C1-
20
C2-
21
C2+
22
V
1
23
V
2
Reference Manual
Parallel I/F
Description
Chip select signal L: active
Reset signal L: reset
H: D0 to D7 are display data; L: D0 to D7 are
instructions
80 family CPU: reset signal L: active
80 family CPU: reset signal L: active
Display data
Display data
Display data
Display data
Display data
Display data
Display data (serial data clock signal input)
Display data (serial data input
Power supply for logic
Power supply (0V.GND)
DC/DC voltage converter output
DC/DC voltage converter negative
connection
DC/DC voltage converter positive
connection
DC/DC voltage converter negative
connection
DC/DC voltage converter negative
connection
DC/DC voltage converter positive
connection
Power supply for LCD drive V
Power supply for LCD drive V
Altera Corporation
= 1/9-V
1
S
= 2/9-V
2
S
March 2008
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