參數(shù)資料
型號: DS-S29804
廠商: Altera Corporation
英文描述: Stratix II EP2S60 DSP Development Board
中文描述: Stratix二EP2S60 DSP開發(fā)板
文件頁數(shù): 27/52頁
文件大?。?/td> 3817K
代理商: DS-S29804
Altera Corporation
27
Preliminary
Board Components
Flash Memory (U17)
U17 is a 16-Mbyte AMD AM29LV128M flash memory device connected
to the Stratix II device. It can be used for two purposes:
A Nios II embedded processor implemented in the Stratix II device
can use the flash as general-purpose readable memory and
non-volatile storage.
The flash memory can hold a Stratix II device configuration file that
is used by the configuration controller to load the Stratix II device at
power-up.
Hardware configuration data that implements the Nios II reference
design is pre-stored in this flash memory. The factory programmed
Nios II reference design, once loaded, can identify the 16-Mbyte flash
memory in its address space, and can program new data (either new
Stratix II configuration data, Nios II embedded processor software, or
both) into flash memory. The Nios II embedded processor software
includes subroutines for writing and erasing this specific type of AMD
flash memory.
Table 20
lists the reference information for the Flash memory.
SDRAM Memory (U39 and U40)
The SDRAM devices (U39 and U40) are 2 Micron MT48LC4M32B2
devices with PC100 functionality and self refresh mode. The SDRAM is
fully synchronous with all signals registered on the positive edge of the
system clock.
The SDRAM device pins are connected to the Stratix II device. An
SDRAM controller peripheral is included with the Stratix II DSP
Development Kit, allowing a Nios II processor to view the SDRAM
devices as a large, linearly-addressable memory.
Table 20. Flash Memory Reference
Item
Description
Board reference
U17
Part number
AM29LV128MH103REI
Device description
Flash Memory
Manufacturer
AMD
Manufacturer web site
www.amd.com
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