Clock Circuitry
On-Board Oscillators
Figure 5-2: Arria 10 GX FPGA Kit Board Clock Inputs and Default Frequencies
B 2A
B 3A
B 2L
B 3H
1C
1D
1E
1F
1G
1H
4D
4E
4F
4G
4H
4I
Bank 3
Bank 2
Si 5338
CLK 0
CLK 1
CLK 2
CLK 3
SL 18860
Buffer
CLK _50
MV _CLK _50
125 M
Buffer 2:6
Si 53301 /
Si 53311
100 MHz
Default
100 M_P /N
REFCLK 4_P /N
SMA
50M
PCIE _OB _REFCLK _P /N
PCIE
_EDGE
_REFCLK
_P
/N
REFCLK
_DP
_P
/N
REFCLK
_SFP
_P
/N
REFCLK
_QSFP
_P
/N
REFCLK
_SDI
_P
/N
REFCLK
_F
MC
A
_P
/N
REFCLK
_F
MCB
_P
/N
REFCLK
_SM
A
_P
/N
CLK _125 M_P /N
Si 5338
CLK 0
CLK 1
CLK 2
CLK 3
CLK _EMI _P /N
133 .33MHz
644 .53125 MHz
644 .53125 MHz
270 MHz
Si 516 /
Si 571
100 MHz
625 MHz
625 MHz
348 MHz
Si570
FMC
A
_GB
TCLK
_M
2C
_P
0/
N
0
FMC
A
_GB
TCLK
_M
2C
_P
1/
N
1
FMCB
_GB
TCLK
_M
2C
_P
0/
N
0
FMCB
_GB
TCLK
_M
2C
_P
1/
N
1
REFCLK 1_P /N
CLK _FPGA _B 3_P /N
REFCLK
1_
P
/N
CLK _FPGA _B 2_P /N
SMA
Arria 10
GX
UG-01170
2015.06.26
Clock Circuitry
5-23
Board Components
Altera Corporation