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2–28
Chapter 2: Board Components
General User Interfaces
Cyclone III 3C120 Development Board Reference Manual
© March 2009 Altera Corporation
Table 2–28
lists the general user-defined LED component reference and
manufacturing information.
HSMC User-Defined LEDs
The HSMC Port A and Port B have two LEDs located nearby. There are no
board-specific functions for the HSMC LEDs; however, the HSMC LEDs are labeled
TX and RX, and are intended to display data flow to and from connected HSMC
daughter cards. The LEDs are driven by the Cyclone III device.
Table 2–29
lists the HSMC user-defined LED board reference number, schematic
signal name, and corresponding Cyclone III device pin number.
Table 2–30
lists the HSMC user-defined LED component reference and manufacturing
information.
Table 2–27.
LED Reference Number, Schematic Signal Name, and Cyclone III Device Pin Number
LED Board
Reference Description
I/O
Standard
Schematic Signal
Name
Cyclone III Device
Pin Number
D26
User-defined LED
1.8 V
USER_LED7
AF19
D27
User-defined LED
1.8 V
USER_LED6
AG19
D28
User-defined LED
1.8 V
USER_LED5
AC17
D29
User-defined LED
1.8 V
USER_LED4
AE15
D30
User-defined LED
1.8 V
USER_LED3
AD19
D31
User-defined LED
1.8 V
USER_LED2
AF18
D32
User-defined LED
1.8 V
USER_LED1
AE20
D33
User-defined LED
1.8 V
USER_LED0
AD15
Table 2–28.
General User-Defined LED Component Reference and Manufacturing Information
Board Reference
Description
Manufacturer
Manufacturing
Part Number
Manufacturer
Website
D26-D33
Green LEDs, 1206,
SMT, clear lens, 2.1 V
Lumex, Inc.
SML-LX1206GC-TR
www.lumex.com
Table 2–29.
HSMC User LEDs
Board
Reference
Description
I/O
Standard
Schematic Signal Name
Cyclone III Device
Pin Number
D12
User-defined but labeled
TX
in silk-screen for
HSMC Port A.
1.8 V
HSMA_TX_LED
AA3
D14
User-defined but labeled
RX
in silk-screen for
HSMC Port A.
1.8 V
HSMA_RX_LED
AE1
D13
User-defined but labeled
TX
in silk-screen for
HSMC Port B.
1.8 V
HSMB_TX_LED
D28
D15
User-defined but labeled
RX
in silk-screen for
HSMC Port B.
1.8 V
HSMB_RX_LED
F26
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