DK-DEV-4SGX230N Altera, DK-DEV-4SGX230N Datasheet - Page 292

• Manufacturer Part Number: DK-DEV-4SGX230N
• Description: KIT DEVELOPMENT STRATIX IV
• Manufacturer: Altera
• Series: Stratix® IVr
• Type: FPGAr

Specifications of DK-DEV-4SGX230N

• Contents: Development Board, Universal Power Supply, Cables and Software
• Silicon Manufacturer: Altera
• Core Architecture: FPGA
• Core Sub-architecture: Stratix
• Silicon Core Number: EP4S
• Silicon Family Name: Stratix IV GX
• Rohs Compliant: Yes
• For Use With/related Products: EP4SGX230K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 544-2594

8–14
Stratix IV Device Handbook Volume 1
Programmable V
Stratix IV LVDS transmitters support programmable pre-emphasis and
programmable V
component of the output signal, and thus helps to compensate for the
frequency-dependent attenuation along the transmission line.
differential LVDS output.
Figure 8–8. Differential V
Figure 8–9
Figure 8–9. Programmable Pre-Emphasis
Note to
(1) V
P
OUT
OUT
— voltage boost from pre-emphasis. V
Figure
Single-Ended Waveform
Differential Waveform
OD
shows the LVDS output with pre-emphasis.
8–9:
and Programmable Pre-Emphasis
OD
. Pre-emphasis increases the amplitude of the high-frequency
V
CM
OD
Chapter 8: High-Speed Differential I/O Interfaces and DPA in Stratix IV Devices
V
OD
V
V
P
P
OD
— Differential output voltage (peak-peak).
V
OD
(Note 1)
V
V
OD
OD
(diff peak - peak) = 2 x V
V
OD
Positive Channel (p)
Negative Channel (n)
Ground
February 2011 Altera Corporation
p - n = 0V
Figure 8–8
OD
(single-ended)
Differential Transmitter
shows the