EP4CE40 datasheet(145/488 Pages) ALTERA

145 / 488 page

Chapter 6: I/O Features in Cyclone IV Devices

6–39

Document Revision History

May 2013

Altera Corporation

Cyclone IV Device Handbook,

Volume 1

implements either a high-speed deserializer receiver or a high-speed serializer

transmitter. There is a list of parameters in the ALTLVDS megafunction that you can

set to customize your SERDES based on your design requirements. The megafunction

is optimized to use Cyclone IV devices resources to create high-speed I/O interfaces

in the most effective manner.

1 When you use Cyclone IV devices with the ALTLVDS megafunction, the interface

always sends the MSB of your parallel data first.

f For more details about designing your high-speed I/O systems interfaces using the

ALTLVDS megafunction, refer to the ALTLVDS Megafunction User Guide and the

Quartus II Handbook.

Document Revision History

Table 6–12 lists the revision history for this chapter.

Table 6–12. Document Revision History

(Part 1 of 2)

Date

Version

Changes

May 2013

2.6

■ UpdatedTable 6–2 by adding Note (9).

■ Updated Table 6–4 and Table 6–8 to add new device options and packages.

February 2013

2.5

Updated Table 6–4 and Table 6–8 to add new device options and packages.

October 2012

2.4

■ Updated “I/O Banks” and “High Speed Serial Interface (HSSI) Input Reference Clock

Support ” sections.

■ Updated Table 6–3 and Table 6–5.

■ Updated Figure 6–10.

November 2011

2.3

■ Updated “Differential SSTL I/O Standard Support in Cyclone IV Devices” and

“Differential HSTL I/O Standard Support in Cyclone IV Devices” sections.

■ Updated Table 6–1, Table 6–8, and Table 6–9.

■ Updated Figure 6–1.

December 2010

2.2

■ Updated for the Quartus II software version 10.1 release.

■ Added Cyclone IV E new device package information.

■ Added “Clock Pins Functionality” section.

■ Updated Table 6–4 and Table 6–8.

■ Minor text edits.

July 2010

2.1

■ Updated “Cyclone IV I/O Elements”, “Programmable Pull-Up Resistor”, “I/O Banks”,

“High-Speed I/O Interface”, and “Designing with BLVDS” sections.

■ Updated Table 6–6 and Table 6–7.

■ Updated Figure 6–19.

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