EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 309

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Altera Corporation
November 2007
I/O Element (IOE) Registers
The IOE registers have been expanded to allow source-synchronous
systems to have faster register-to-register transfers and
resynchronization. Both top/bottom and left/right IOEs have the same
capability with left/right IOEs having extra features to support LVDS
data transfer.
Figure 8–20
input path consists of the DDR input registers, resynchronization
registers, and HDR block. Each block of the input path can be bypassed.
shows the registers available in the Stratix III input path. The
External Memory Interfaces in Stratix III Devices
Stratix III Device Handbook, Volume 1
8–39