Table 2-5. LX2160ARDB clocks
Part identifier Clock generator Clock Specifications Destination
Y1 Hot-powered crystal
oscillator
HOT_CLK • Frequency: 25
MHz
• Output type:
CMOS
CPLD
U130 Si5341B-D08333-GM OUT0: CLK_SD1_S_[P, N] • Frequency:
161.1328125 MHz
• Output type:
HCSL
• Operating voltage:
1.8 V
SerDes1 controller
PLL 2
OUT1B: DDRCLK_SE • Frequency: 100
MHz
• Output type:
LVCMOS
• Operating voltage:
1.8 V
DDRCLK
OUT2:
CLK_10GE_PHY1_[P, N]
• Frequency: 100
MHz
• Output type:
LVDS
• Operating voltage:
1.8 V
10 GbE PHY 1
(AQR107)
OUT3: CLK_10GE_B_[P,
N]
• Frequency: 100
MHz
• Output type:
LVDS
• Operating voltage:
1.8 V
10 GbE PHY 2
(AQR107)
OUT4: SYSCLK_DIFF_[P,
N]
• Frequency: 100
MHz
• Output type:
HCSL
• Operating voltage:
1.8 V
DIFF_SYSCLK
OUT5:
CLK_25GE_REF_[P, N]
• Frequency: 25
MHz
• Output type:
HCSL
• Operating voltage:
1.8 V
25 GbE PHY
(IN112525)
OUT7: EC_CLK125 /
CLK_1588_CGEN
• Frequency: 125
MHz
• Output type:
LVCMOS
• Operating voltage:
1.8 V
Ethernet controller /
IEEE 1588 port
OUT8: CLK_SD1_F_[P, N] • Frequency:
161.1328125 MHz
• Output type:
HCSL
• Operating voltage:
1.8 V
SerDes1 controller
PLL 1
Table continues on the next page...
Chapter 2 LX2160ARDB Functional Description
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 0, 09/2018
NXP Semiconductors 27
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