Table 3. LS1028ARDB features (continued)
LS1028ARDB feature
Specification
Description
Octal SPI (XSPI)
One XSPI (XSPI A)
• One 256 MB onboard XSPI serial NOR flash memory
• One 512 MB onboard XSPI serial NAND flash memory
• Supports a QSPI emulator for offboard QSPI emulation
I2C
Six I2C interfaces
• All system devices are accessed via I2C1, which is multiplexed on
I2C multiplexer PCA9848 to isolate address conflicts and reduce
capacitive load
• I2C1 is used for EEPROMs, RTC, INA220 current-power sensor,
thermal monitor, PCIe/SATA M.2 connectors and mikro-click modules
1 and 2
Serial ports
Two UART ports
(UART1 and UART2)
• UART1 supports RS-232 levels of up to 1 Mbit/s data rate on a DB9
male connector. LTC8204 RS232 transceiver is used for interface
conversion. Hardware handshaking is not supported.
• UART2 can be used to interface with either mikro-click modules or
RS-232 transceiver LTC2804 (similar to UART1). The selection can
be controlled from FPGA.
CAN
Two CAN ports (CAN1
and CAN2)
The two CAN DB9 ports can support CAN FD fast phase at data rates of
up to 5 Mbit/s.
Ethernet
SGMII (1 GB Ethernet
port)
QSGMII (four 1 GB
Ethernet ports)
IEEE 1588
™
• Five 1G/100M/10BaseT Ethernet ports supported. One port is
supported on SGMII ENET MAC and the other four through the TSN
switch.
• Five RJ45 connectors with link and activity status are used with the
SGMII and QSGMII interfaces
• IEEE 1588 precision time protocol (PTP) is supported through an
onboard header (J11) and SMA connector (J12) on the
PULSE_OUT1 signal for 1PPS timing signal generation
USB 3.0
Two high-speed USB
3.0 ports with
integrated PHYs
• Supports super-speed (5 Gbit/s) operations
• USB 3.0 port 1 is configured as host with a Type A connector
• USB 3.0 port 2 is configured as downstream facing port (DFP) or
upstream facing port (UFP) with a Type C connector
Serial audio interface
(SAI)
Audio transceiver
(used only on TX
signals) (not
supported by the
LS1043A processor)
• Audio codec SGTL5000 provides headphone and audio LINEOUT for
stereo speakers
• IEEE1588 interface to support audio on SAI4
Display
DisplayPort (not
supported by the
LS1043A processor)
• Supports display resolution of up to 4Kp60
• Supports link transfer rates of up to HBR2 (5.4 Gbit/s)
Clocks
Differential system
clock (DIFF_SYSCLK)
100 MHz
Table continues on the next page...
Board features
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
NXP Semiconductors
COMPANY CONFIDENTIAL
11
Summary of Contents for QorIQ LS1028A
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