
2–56 Chapter 2: Board Components
Memory
Stratix IV GX FPGA Development Board August 2012 Altera Corporation
Reference Manual
Table 2–52 lists the QDRII+ top port 1 pin assignments, signal names, and functions.
The signal names and types are relative to the Stratix IV GX device in terms of I/O
setting and direction.
Table 2–52. QDRII+ Top Port 1 Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 2)
Board Reference Description
Schematic Signal Name
I/O Standard
Stratix IV GX
Device
Pin Number
U7.A10 Address bus
QDR2TOP1_A19
1.5-V HSTL Class I F20
U7.A3 Address bus
QDR2TOP1_A18
1.5-V HSTL Class I B17
U7.A9 Address bus
QDR2TOP1_A17
1.5-V HSTL Class I G20
U7.R7 Address bus
QDR2TOP1_A16
1.5-V HSTL Class I E17
U7.R5 Address bus
QDR2TOP1_A15
1.5-V HSTL Class I J18
U7.R4 Address bus
QDR2TOP1_A14
1.5-V HSTL Class I M19
U7.R3 Address bus
QDR2TOP1_A13
1.5-V HSTL Class I R18
U7.P8 Address bus
QDR2TOP1_A12
1.5-V HSTL Class I F18
U7.P7 Address bus
QDR2TOP1_A11
1.5-V HSTL Class I F17
U7.P5 Address bus
QDR2TOP1_A10
1.5-V HSTL Class I F16
U7.P4 Address bus
QDR2TOP1_A9
1.5-V HSTL Class I P18
U7.N7 Address bus
QDR2TOP1_A8
1.5-V HSTL Class I D17
U7.N6 Address bus
QDR2TOP1_A7
1.5-V HSTL Class I G18
U7.N5 Address bus
QDR2TOP1_A6
1.5-V HSTL Class I L19
U7.C7 Address bus
QDR2TOP1_A5
1.5-V HSTL Class I G19
U7.C5 Address bus
QDR2TOP1_A4
1.5-V HSTL Class I C18
U7.B8 Address bus
QDR2TOP1_A3
1.5-V HSTL Class I A18
U7.B4 Address bus
QDR2TOP1_A2
1.5-V HSTL Class I A17
U7.R8 Address bus
QDR2TOP1_A1
1.5-V HSTL Class I H19
U7.R9 Address bus
QDR2TOP1_A0
1.5-V HSTL Class I C17
U7.N2 Write data bus
QDR2TOP1_D17
1.5-V HSTL Class I G15
U7.M3 Write data bus
QDR2TOP1_D16
1.5-V HSTL Class I F15
U7.L3 Write data bus
QDR2TOP1_D15
1.5-V HSTL Class I E16
U7.J3 Write data bus
QDR2TOP1_D14
1.5-V HSTL Class I D16
U7.G2 Write data bus
QDR2TOP1_D13
1.5-V HSTL Class I C15
U7.F3 Write data bus
QDR2TOP1_D12
1.5-V HSTL Class I C16
U7.D2 Write data bus
QDR2TOP1_D11
1.5-V HSTL Class I B16
U7.C3 Write data bus
QDR2TOP1_D10
1.5-V HSTL Class I A16
U7.B3 Write data bus
QDR2TOP1_D9
1.5-V HSTL Class I G16
U7.C11 Write data bus
QDR2TOP1_D8
1.5-V HSTL Class I G17
U7.D11 Write data bus
QDR2TOP1_D7
1.5-V HSTL Class I J16
U7.E10 Write data bus
QDR2TOP1_D6
1.5-V HSTL Class I K16
U7.G11 Write data bus
QDR2TOP1_D5
1.5-V HSTL Class I L16
U7.J11 Write data bus
QDR2TOP1_D4
1.5-V HSTL Class I P17
U7.K10 Write data bus
QDR2TOP1_D3
1.5-V HSTL Class I K17
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