2–54
Chapter 2: Board Components
Memory
Stratix IV GX FPGA Development Board, 530 Edition Reference Manual
November 2010
Altera Corporation
Table 2–50
lists the QDRII+ top port 0
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 2–50. QDRII+ Top Port 0 Pin Assignments, Signal Names and Functions (Part 1 of 2)
Board Reference
Description
Schematic Signal Name
I/O Standard
Stratix IV GX
Device
Pin Number
U22.A10
Address bus
QDR2TOP0_A19
1.5-V HSTL Class I
A28
U22.A3
Address bus
QDR2TOP0_A18
J24
U22.A9
Address bus
QDR2TOP0_A17
C28
U22.R7
Address bus
QDR2TOP0_A16
G28
U22.R5
Address bus
QDR2TOP0_A15
C30
U22.R4
Address bus
QDR2TOP0_A14
C29
U22.R3
Address bus
QDR2TOP0_A13
B28
U22.P8
Address bus
QDR2TOP0_A12
R24
U22.P7
Address bus
QDR2TOP0_A11
N20
U22.P5
Address bus
QDR2TOP0_A10
A31
U22.P4
Address bus
QDR2TOP0_A9
A29
U22.N7
Address bus
QDR2TOP0_A8
P20
U22.N6
Address bus
QDR2TOP0_A7
B31
U22.N5
Address bus
QDR2TOP0_A6
B29
U22.C7
Address bus
QDR2TOP0_A5
D27
U22.C5
Address bus
QDR2TOP0_A4
F26
U22.B8
Address bus
QDR2TOP0_A3
A27
U22.B4
Address bus
QDR2TOP0_A2
G26
U22.R8
Address bus
QDR2TOP0_A1
P24
U22.R9
Address bus
QDR2TOP0_A0
N21
U22.N2
Write data bus
QDR2TOP0_D17
B25
U22.M3
Write data bus
QDR2TOP0_D16
G24
U22.L3
Write data bus
QDR2TOP0_D15
F24
U22.J3
Write data bus
QDR2TOP0_D14
M24
U22.G2
Write data bus
QDR2TOP0_D13
K23
U22.F3
Write data bus
QDR2TOP0_D12
M23
U22.D2
Write data bus
QDR2TOP0_D11
R22
U22.C3
Write data bus
QDR2TOP0_D10
N22
U22.B3
Write data bus
QDR2TOP0_D9
P22
U22.C11
Write data bus
QDR2TOP0_D8
A26
U22.D11
Write data bus
QDR2TOP0_D7
B26
U22.E10
Write data bus
QDR2TOP0_D6
C25
U22.G11
Write data bus
QDR2TOP0_D5
C26
U22.J11
Write data bus
QDR2TOP0_D4
D25
U22.K10
Write data bus
QDR2TOP0_D3
D26