User guide

Chapter 1: About This IP 1–3
Features
December 2010 Altera Corporation External Memory Interface Handbook Volume 3
Section II. DDR3 SDRAM Controller with ALTMEMPHY IP User Guide
Table 1–2 shows the level of support offered by the DDR3 SDRAM Controller with
ALTMEMPHY IP to each of the Altera device families.
Features
The ALTMEMPHY megafunction offers the following features:
■ Simple setup.
■ Support for the Altera PHY Interface (AFI) for DDR3 SDRAM on all supported
devices.
■ Automated initial calibration eliminating complicated read data timing
calculations.
■ Voltage and temperature (VT) tracking that guarantees maximum stable
performance for DDR3 SDRAM interface.
■ Self-contained datapath that makes connection to an Altera controller or a
third-party controller independent of the critical timing paths.
■ Easy-to-use parameter editor.
The ALTMEMPHY megafunction supports DDR3 SDRAM DIMMs with leveling and
DDR3 SDRAM components without leveling:
■ ALTMEMPHY with leveling is for unbuffered DIMMs (including SODIMM and
MicroDIMM) or DDR3 SDRAM components up to 80-bit total data bus width with
a layout like a DIMM that target Stratix III and Stratix IV devices:
■ Supports a fully-calibrated DDR3 SDRAM PHY for DDR3 SDRAM unbuffered
DIMM with ×4 and ×8 devices with 300-MHz to 533-MHz frequency targets.
■ Deskew circuitry is enabled automatically for interfaces higher than 400 MHz.
■ Supports single and multiple chip selects.
■ ALTMEMPHY supports DDR3 SDRAM components without leveling for
Arria II GX, Stratix III, and Stratix IV devices using T-topology for clock, address,
and command bus:
■ Supports multiple chip selects.
■ The DDR3 SDRAM PHY with leveling f
MAX
is 533 MHz; without leveling f
MAX
is
400 MHz for single chip selects.
Table 1–2. Device Family Support
Device Family Support
Arria
®
II GX Preliminary
HardCopy III HardCopy Companion
HardCopy IV E HardCopy Companion
HardCopy IV GX HardCopy Companion
Stratix
®
III Final
Stratix IV Final
Other device families No support