Altera Arria II GX FPGA Development Board Bedienungsanleitung Seite 55

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Chapter 2: Board Components 2–47
Memory
February 2011 Altera Corporation Arria II GX FPGA Development Board Reference Manual
Table 245 lists the SSRAM component reference and manufacturing information.
U22.F2 Data bus
FSM_D21
2.5-V
T10
U22.G1 Data bus
FSM_D22
P4
U22.G2 Data bus
FSM_D23
R11
U22.J1 Data bus
FSM_D24
A18
U22.J2 Data bus
FSM_D25
B18
U22.K1 Data bus
FSM_D26
C19
U22.K2 Data bus
FSM_D27
D19
U22.L1 Data bus
FSM_D28
B21
U22.L2 Data bus
FSM_D29
A21
U22.M1 Data bus
FSM_D30
C21
U22.M2 Data bus
FSM_D31
A22
U22.A8 Address status controller
SRAM_ADSCn
C10
U22.B9 Address status processor
SRAM_ADSPn
A20
U22.A9 Address valid
SRAM_ADVn
D9
U22.A7 Byte write enable
SRAM_WEn
J11
U22.B5 Byte lane 0 write enable
SRAM_BEN0
J13
U22.A5 Byte lane 1 write enable
SRAM_BEN1
H12
U22.A4 Byte lane 2 write enable
SRAM_BEN2
E9
U22.B4 Byte lane 3 write enable
SRAM_BEN3
H13
U22.A3 Chip enable
SRAM_CE1n
E10
U22.B6 Clock
SRAM_CLK
J12
U22.N11 Data bus parity byte lane 0 SRAM_DQP0 A24
U22.C11 Data bus parity byte lane 1 SRAM_DQP1 B22
U22.C1 Data bus parity byte lane 2 SRAM_DQP2 P9
U22.N1 Data bus parity byte lane 3 SRAM_DQP3 C22
U22.B7 Global write enable
SRAM_GWn
K12
U22.R1 Mode
SRAM_MODE
(Connects to the MAX II
CPLD EPM2210 System
Controller)
U22.B8 Output enable
SRAM_OEn
D10
U22.H11 Sleep
SRAM_ZZ
B27
Table 2–44. SSRAM Pin Assignments, Schematic Signal Names, and Functions (Part 3 of 3)
Board Reference Description
Schematic Signal Name
I/O Standard
Arria II GX Device
Pin Number
Table 2–45. SSRAM Component Reference and Manufacturing Information
Board Reference Description Manufacturer
Manufacturing
Part Number
Manufacturer
Website
U22
Standard synchronous pipelined
SCD, 512K × 36, 200 MHz
ISSI Inc. IS61VPS51236A-200B3 www.issi.com
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