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): 26/52頁
文件大?。?/td> 3817K
代理商: DS-S29804
26
Preliminary
Altera Corporation
Stratix II EP2S60 DSP Development Board Data Sheet
SRAM Memory (U43 & U44)
U43 and U44 are two 256 Kbyte x 16-bit asynchronous SRAM devices.
They are connected to the Stratix II device so they can be used by a
Nios
II embedded processor as general-purpose memory. The two 16-bit
devices can be used in parallel to implement a 32-bit wide memory
subsystem.
Table 19
lists the reference information for the SRAM memory.
Table 18. D/A B (U15, J17) Stratix II Pin-Outs
Signal Name
Stratix II Pin
dacB_D1 (MSB)
(1)
W4
dacB_D2
W5
dacB_D3
Y6
dacB_D4
Y7
dacB_D5
Y8
dacB_D6
Y9
dacB_D7
Y10
dacB_D8
Y11
dacB_D9
AB5
dacB_D10
AB6
dacB_D11
AA10
dacB_D12
AA11
dacB_D13
AA6
dacB_D14 (LSB)
AA7
Note to
Table 18
:
(1)
The Texas Instruments (TI) naming conventions differ from those of Altera
Corporation. The TI data sheet for the DAC 904 D/A converter lists bit 1 as the
most significant bit (MSB) and bit 14 as the least significant bit (LSB).
Table 19. SRAM Memory Reference
Item
Description
Board reference
U43, U44
Part Number
IDT71V416S10PH
Device description
SRAM Memory
Manufacturer
IDT
Manufacturer web site
www.idt.com
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