Character lcd, Character lcd –31 – Altera Transceiver Signal Integrity Development Kit, Stratix V GX Edition User Manual
Page 39
Chapter 2: Board Components
2–31
General User Input/Output
July 2012
Altera Corporation
Transceiver Signal Integrity Development Kit
Stratix V GX Edition Reference Manual
lists the user-defined LED schematic signal names and their corresponding
Stratix V GX pin numbers.
lists the user-defined LED component reference and the manufacturing
information.
Character LCD
The development board contains a single 14-pin 0.1" pitch dual-row header that
interfaces to a 16 character × 2 line Lumex LCD display. The LCD has a 14-pin
receptacle that mounts directly to the board's 14-pin header, so it can be easily
removed for access to components under the display. You can also use the header for
debugging or other purposes.
summarizes the LCD pin assignments. The signal names and directions are
relative to the Stratix V GX device.
Table 2–27. User-Defined LED Schematic Signal Names and Functions
Board Reference
Schematic
Signal Name
I/O Standard
Stratix V GX Device
Pin Number
Description
D18
USER_LED_0
2.5-V
B32
User-defined LEDs.
Driving a logic 0 on the I/O
port turns the LED ON. Driving
a logic 1 on the I/O port turns
the LED OFF.
D19
USER_LED_1
2.5-V
A32
D20
USER_LED_2
2.5-V
B34
D21
USER_LED_3
2.5-V
A34
D22
USER_LED_4
2.5-V
C34
D23
USER_LED_5
2.5-V
C33
D24
USER_LED_6
2.5-V
F32
D25
USER_LED_7
2.5-V
E32
Table 2–28. User-Defined LED Component Reference and Manufacturing Information
Board Reference
Device Description
Manufacturer
Manufacturer
Part Number
Manufacturer
Website
D18-D25
Green LEDs, 1206, SMT,
Clear Lens, 2.1 V
Lumex Inc.
SML-LX1206GC-TR
Table 2–29. LCD Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 2)
Board Reference
(J30)
Schematic Signal
Name
I/O Standard
Stratix V GX Device
Pin Number
Description
4
LCD_D_Cn
2.5-V
B14
LCD data or command select
5
LCD_Wen
2.5-V
B13
LCD write enable
6
LCD_EN
2.5-V
A14
LCD chip select
7
LCD_DATA0
2.5-V
A13
LCD data bus
8
LCD_DATA1
2.5-V
B16
LCD data bus
9
LCD_DATA2
2.5-V
A16
LCD data bus
10
LCD_DATA3
2.5-V
C15
LCD data bus
11
LCD_DATA4
2.5-V
C14
LCD data bus
12
LCD_DATA5
2.5-V
D15
LCD data bus