Cyclone 10 LP RefKit User Guide
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February 2022
Board Reference FPGA Pin No.
Pin Func.
Description
I/O Std
DQ8
PIN_Y13
Bidir
SDRAM Data [8]
3.3 V
DQ9
PIN_Y15
Bidir
SDRAM Data [9]
3.3 V
DQ10
PIN_AA13
Bidir
SDRAM Data [10]
3.3 V
DQ11
PIN_AB15
Bidir
SDRAM Data [11]
3.3 V
DQ12
PIN_AB13
Bidir
SDRAM Data [12]
3.3 V
DQ13
PIN_AA15
Bidir
SDRAM Data [13]
3.3 V
DQ14
PIN_AA14
Bidir
SDRAM Data [14]
3.3 V
DQ15
PIN_AB14
Bidir
SDRAM Data [15]
3.3 V
DQM0
PIN_Y14
Output
SDRAM Lower Data Mask
3.3 V
DQM1
PIN_W13
Output
SDRAM Upper Data Mask
3.3 V
3.3.6
QSPI Flash Memory
There is a non-volatile, QSPI Flash memory with up to 128Mbit density
3
which can operate on up
to 166MHz on the board. It can be used to store larger size user data or software for Nios II
embedded processors.
Board Reference FPGA Pin No.
Pin Func.
Description
I/O Std
F_CS
PIN_F15
Output
Chip Enable
3.3 V
F_CLK
PIN_F16
Output
Serial Data Clock
3.3 V
F_IO0
PIN_G16
Bidir
Serial Data [0]
3.3 V
F_IO1
PIN_D15
Bidir
Serial Data [1]
3.3 V
F_IO2
PIN_E16
Bidir
Serial Data [2]
3.3 V
F_IO3
PIN_E15
Bidir
Serial Data [3]
3.3 V
3.3.7
EEPROMs
The C10LP RefKit board has 2 pieces 2Kb serial EEPROMs that can be used for MAC address
configuration. The EEPROMs are pre-programmed with a globally unique EUI-48 node address.
3
The size of the mounted QSPI Flash depends on the board variation. For detailed information, please refer to Chapter 2.2.
I las
CL
I
C
I
D
I
E
I
E
Figure 12
–
QSPI Flash Connections
