Table 3. LX2160ARDB features (continued)
LX2160ARDB feature Specification Description
I2C Six I2C controllers
(I2C1, I2C2, I2C3,
I2C4, I2C5, and I2C6)
• Most system devices (other than UEFI) are accessed via I2C1, which
is multiplexed to isolate address conflicts and reduce capacitive load
• I2C1 is translated to 3V3_SB, allowing programming access to
devices, such as power controllers, clocks, and memories, while the
system is off
• I2C2 is only used for SDHC1_CD_B and SDHC1_WP
• I2C3 is only used for CAN1 input/output
• I2C4 is only used for CAN2 input/output
• I2C5 is used for UEFI support (memory and RTC)
• I2C6 is used for optional AQR107 PHY access
Serial ports Two UART ports
(UART1 and UART2)
A dual-stack DB9 male connector providing two UART connectors, each
connected through an RS-232 transceiver
USB 3.0 Two high-speed USB
3.0 ports with
integrated PHYs
• Supports super-speed (5 Gbit/s), high-speed (480 Mbit/s), full-speed
(12 Mbit/s), and low-speed (1.5 Mbit/s) operations
• USB#1 3.0 port is connected to a Type A host connector
• USB#2 3.0 port is configured as On-The-Go (OTG) with a Micro-AB
connector
Ethernet Two tri-speed RGMII
interfaces
• 10 Mb / 100 Mb / 1 Gb Ethernet is supported
• An RJ45 connector with link and activity status is used with each
RGMII interface
• IEEE 1588
™
precision time protocol (PTP) is supported through an
onboard header (J29)
Clocks System clock
(SYSCLK) and DDR
clock (DDRCLK)
• 100 MHz differential clock to DIFF_SYSCLK
• 100 MHz single-ended clock to DDRCLK
SerDes clocks
• 161.1328125 MHz clock to SerDes1 PLL 1 and PLL 2
• 100 MHz clock to SerDes2 PLL 1 and PLL 2
• 100 MHz clock to SerDes3 PLL 1 and PLL 2
• 100 MHz clock to AQR107 10 GbE PHY 1 and 2
• 25 MHz clock to IN112525 25 GbE PHY
• 156.25 MHz clock to CS4223 40 GbE PHY
• 100 MHz clock to x4 and x8 PCIe slots
Ethernet clocks 125 MHz clocks to Ethernet controllers and IEEE 1588 port
Power supplies
• 12 V, 5 V, 3.3 V, and 5 V (standby) ATX power supplies
• 0.8 V (VDD) for the LX2160A core
Table continues on the next page...
NXP Semiconductors
LX2160ARDB Overview
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 4, 07/2020
Reference Manual 8 / 116
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