DE5-Net User Manual
June 20, 2018
20
Figure 2-10 Control circuits of Programmable Oscillators
lists the clock source, signal names, default frequency and their corresponding Stratix V
GX device pin numbers.
Table 2-8
Clock Source, Signal Name, Default Frequency, Pin Assignments and Functions
Source
Schematic
Signal Name
Default
Frequency
I/O Standard
Stratix V GX Pin
Number
Application
Y4
OSC_50_B3B
50.0 MHz
2.5-V
PIN_AW35
OSC_50_B3D
1.8-V
PIN_BC28
OSC_50_B4A
1.8-V
PIN_AP10
OSC_50_B4D
1.8-V
PIN_AY18
OSC_50_B7A
1.5-V
PIN_M8
OSC_50_B7D
1.5-V
PIN_J18
OSC_50_B8A
1.5-V
PIN_R36
OSC_50_B8D
1.8-V
PIN_R25
J13
SMA_CLKIN
User
Defined
2.5V
PIN_BB33
External Clock
Input
J14
SMA_CLKOUT
User
Defined
2.5V
PIN_AV34
Clock Output
U49
SFP_REFCLK _p
100.0 MHz LVDS
PIN_AK7
10G SFP+
U53
SFP1G_REFCLK_p
125.0 MHz LVDS
PIN_AH6
1G SFP+
U28
SATA_HOST_REFCLK_p 125.0 MHz LVDS
PIN_V6
SATA HOST
U28
SATA_DEVICE_REFCLK_p 125.0 MHz LVDS
PIN_V39
SATA DEVICE