Push buttons, Push buttons –16 – Altera Transceiver Signal Integrity Development Kit, Stratix IV GX Edition User Manual
Page 26
2–16
Chapter 2: Board Components
General User Input/Output
Transceiver Signal Integrity Development Kit,
November 2011
Altera Corporation
Stratix IV GX Edition Reference Manual
Push Buttons
The board has 12 push buttons for user-defined logic input. Each push-button drives
logic low when pressed and returns to driving logic high when released.
summarizes these push buttons.
D16
Red LED
Lumex Inc.
SML-LX1206IC-TR
D6
Amber LED
Lite-on Technology Corporation
LTST-C150KYKT
D3
Blue LED
Lumex Inc.
SML-LX1206USBC-TR
LCD
LCD
Lumex Inc.
LCM-S01602DSR/C
SW7
DIP switch
Grayhill Corporation
76SB08ST
SW2
Mini-DIP switch
C&K Components /
ITT Industries
TDA04H0SB1
SW16
Rotary switch
Grayhill Corporation
94HCB16WT
SW1
Slide switch
E-switch Inc.
EG2201A
Table 2–11. Component Reference Input and Ouput Devices (Part 2 of 2)
Board Reference
Device
Description
Manufacturer
Manufacturer
Part Number
Manufacturer
Website
Table 2–12. Push Buttons Signal Names and Functions
Board
Reference
Description
Schematic
Signal Name
I/O Standard
Stratix IV GX
Device
Pin Number
Other
Connections
SW10
General purpose user push-button
switches. These switches are not
debounced.
USR_PB0
2.5-V CMOS
U33 pin AW28
10-k
Ω pull-up
resistor to 2.5 V
SW11
USR_PB1
2.5-V CMOS
U33 pin AV28
SW12
USR_PB2
2.5-V CMOS
U33 pin AU28
SW13
USR_PB3
2.5-V CMOS
U33 pin AT28
SW14
USR_PB4
2.5-V CMOS
U33 pin AR28
SW15
USR_PB5
2.5-V CMOS
U33 pin AP28
SW8
Board reset. These switches are
not debounced.
RESETn
2.5-V CMOS
—
U32 pin T2
SW9
CPU reset. These switches are not
debounced.
CPURSTn
2.5-V CMOS
U33 pin AW18
10-k
Ω pull-up
resistor to 2.5 V
SW3
LCD menu directional
push-buttons switches. These
switches are not debounced.
BACK
2.5-V CMOS
U33 pin G21
10-k
Ω pull-up
resistor to 2.5 V
SW4
ENTR
2.5-V CMOS
U33 pin G23
SW5
UP
2.5-V CMOS
U33 pin G22
SW6
DWN
2.5-V CMOS
U33 pin H22