Memory, Memory –47 – Altera Stratix IV GX FPGA Development Board User Manual
Page 55

Chapter 2: Board Components
2–47
Memory
August 2012
Altera Corporation
Stratix IV GX FPGA Development Board
Reference Manual
shows the SDI cable equalizer.
Memory
This section describes the board’s memory interface support, signal names, types, and
connectivity relative to the Stratix IV GX device. The board has the following memory
interfaces:
■
DDR3 bottom port
■
DDR3 top port
■
QDRII+ top port 0
■
QDRII+ top port 1
■
SSRAM
■
Flash
f
For more information about the memory interfaces, refer to the
.
U2.7
Bypass enable
SDI_RX_BYPASS
2.5-V
T4
—
U2.14
Device enable
SDI_RX_EN
2.5-V
M6
—
(Automatically driven
by carrier detect)
Table 2–45. SDI Video Input Interface Pin Assignments, Schematic Signal Names, and Functions (Part 2 of 2)
Board
Reference
Description
Schematic
Signal Name
I/O Standard
MAX II CPLD EPM2210
System Controller
Pin Number
Stratix IV GX Device
Pin Number
Figure 2–14. SDI Cable Equalizer
BYPASS
MUTE
REF
1.0
μF
75
Ω
37.4
Ω
1.0
μF
1.0
μF
CD
SDI
SDI
SDO
SDO
CD
MUTE
MUTE
REF
BYPASS
AEC+
AEC–
75
Ω
MUTE
Coaxial Cable
LMH0344 3G SDI
Adaptive Cable
Equalizer
To FPGA
3.9 nH