
Chapter 2: Board Components 2–39
Memory
November 2013 Altera Corporation Cyclone V SoC Development Board
Reference Manual
L2
DDR3_FPGA_CSN
AB15 1.5-V SSTL Class I Chip select
E7
DDR3_FPGA_DM2
AK23 1.5-V SSTL Class I Write mask byte lane
D3
DDR3_FPGA_DM3
AJ27 1.5-V SSTL Class I Write mask byte lane
E3
DDR3_FPGA_DQ16
AE19 1.5-V SSTL Class I Data bus
F2
DDR3_FPGA_DQ17
AE18 1.5-V SSTL Class I Data bus
H8
DDR3_FPGA_DQ18
AG22 1.5-V SSTL Class I Data bus
F8
DDR3_FPGA_DQ19
AK22 1.5-V SSTL Class I Data bus
H3
DDR3_FPGA_DQ20
AF21 1.5-V SSTL Class I Data bus
F7
DDR3_FPGA_DQ21
AF20 1.5-V SSTL Class I Data bus
G2
DDR3_FPGA_DQ22
AH23 1.5-V SSTL Class I Data bus
H7
DDR3_FPGA_DQ23
AK24 1.5-V SSTL Class I Data bus
D7
DDR3_FPGA_DQ24
AF24 1.5-V SSTL Class I Data bus
C8
DDR3_FPGA_DQ25
AF23 1.5-V SSTL Class I Data bus
C3
DDR3_FPGA_DQ26
AJ24 1.5-V SSTL Class I Data bus
C2
DDR3_FPGA_DQ27
AK26 1.5-V SSTL Class I Data bus
B8
DDR3_FPGA_DQ28
AE23 1.5-V SSTL Class I Data bus
A7
DDR3_FPGA_DQ29
AE22 1.5-V SSTL Class I Data bus
A2
DDR3_FPGA_DQ30
AG25 1.5-V SSTL Class I Data bus
A3
DDR3_FPGA_DQ31
AK27 1.5-V SSTL Class I Data bus
F3
DDR3_FPGA_DQS_P2
Y17
Differential 1.5-V
SSTL Class I
Data strobe P byte lane 2
G3
DDR3_FPGA_DQS_N2
AA18
Differential 1.5-V
SSTL Class I
Data strobe N byte lane 2
C7
DDR3_FPGA_DQS_P3
AC20
Differential 1.5-V
SSTL Class I
Data strobe P byte lane 3
B7
DDR3_FPGA_DQS_N3
AD19
Differential 1.5-V
SSTL Class I
Data strobe N byte lane 3
K1
DDR3_FPGA_ODT
AE16 1.5-V SSTL Class I On-die termination enable
J3
DDR3_FPGA_RASN
AH8 1.5-V SSTL Class I Row address select
T2
DDR3_FPGA_RESETN
AK21 1.5-V SSTL Class I Reset
L3
DDR3_FPGA_WEN
AJ6 1.5-V SSTL Class I Write enable
L8
DDR3_FPGA_ZQ01
— 1.5-V SSTL Class I ZQ impedance calibration
DDR3 x16 (U38)
N3
DDR3_FPGA_A0
AJ14 1.5-V SSTL Class I Address bus
P7
DDR3_FPGA_A1
AK14 1.5-V SSTL Class I Address bus
P3
DDR3_FPGA_A2
AH12 1.5-V SSTL Class I Address bus
N2
DDR3_FPGA_A3
AJ12 1.5-V SSTL Class I Address bus
P8
DDR3_FPGA_A4
AG15 1.5-V SSTL Class I Address bus
P2
DDR3_FPGA_A5
AH15 1.5-V SSTL Class I Address bus
Table 2–32. DDR3 SDRAM Pin Assignments, Schematic Signal Names, and Functions (Part 2 of 4)
Board
Reference
Schematic
Signal Name
Cyclone V SoC
Pin Number
I/O Standard Description
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