21
TR10a-LPQ User Manual
December
10,
2018
configuration
clock
U2
(Si5340A)
QSFPA_REFCLK_p
644.53125
MHz
LVDS
PIN_AH5
40G QSFP+ A
port
QSFPB_REFCLK_p
644.53125
MHz
LVDS
PIN_AD5
40G QSFP+ B
port
QDRIIE_REFCLK_p 275 MHz
LVDS
PIN_AT27
QDRII+ reference
clock for E port
U13
QDRIIA_REFCLK_p 275 MHz
LVDS
PIN_L9
QDRII+ reference
clock for A port
QDRIIB_REFCLK_p 275 MHz
LVDS
PIN_N18
QDRII+ reference
clock for B port
QDRIIC_REFCLK_p 275 MHz
LVDS
PIN_M34
QDRII+ reference
clock for C port
QDRIID_REFCLK_p 275 MHz
LVDS
PIN_BB18
QDRII+ reference
clock for D port
lists the programmable oscillator control pins, signal names, I/O standard and
their corresponding Arria 10 GX device pin numbers.
Table 2-8 Programmable oscillator control pin, Signal Name, I/O standard, Pin
Assignments and Descriptions
Programmable
Oscillator
Schematic
Signal Name
I/O
Standard
Arria 10 GX
Pin Number
Description
Si5340A
(U2)
Si5340A_I2C_SCL
1.8-V
PIN_F24 I2C bus, connected
with Si5340A
Si5340A_I2C_SDA
1.8-V
PIN_G24
Si5340A_RST
1.8-V
PIN_C27
Si5340A reset
signal
Si5340A_INTR
1.8-V
PIN_C28
Si5340A interrupt
signal
Si5340A_OE_n
1.8-V
PIN_AP39
Si5340A output
enable signal