Chapter 1 LS1028ARDB Overview ® The QorIQ LS1028A reference design board (LS1028ARDB) is a computing, evaluation, development, and test platform supporting the QorIQ LS1028A processor, ® ® which is a dual-core Arm Cortex -v8 A72 processor with frequency up to 1.3 GHz. The LS1028ARDB is optimized to support SGMII (1 Gbit/s), QSGMII (5 Gbit/s), PCIe x1 (8 Gbit/s), and SATA (6 Gbit/s) over high-speed SerDes ports, USB 3.0, DisplayPort, and...
Offline configuration manager On-The-Go Pre-boot loader Phase-locked loop PMIC Power management multi-channel IC Power-on reset Power supply unit Precision time protocol Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
Provides a detailed description about the LS1028A QorIQ multicore processor and its Manual features, such as memory map, serial interfaces, power supply, chip features, and clock information Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
POWER SUPPLIES (VDD, GVDD, etc.) ENETC (1588) IEEE1588 FANS Connector Figure 1-2. LS1028ARDB block diagram 1.4 Board features The table below lists the features of the LS1028ARDB. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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• Single-threaded cores with 48 KB L1 instruction cache and 32 KB L1 data cache • Arranged as a single cluster of two cores sharing a single 1 MB L2 cache NOTE: For more details on the LS1028A processor, see QorIQ LS1028A Family Reference Manual. DDR memory DDR4 •...
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• Package type is Flip Chip, Plastic-ball, Grid Array (FC-PBGA), 17 mm x 17 mm • Socket and heat sink are included System logic CPLD • Manages the following: QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Specification Description • System reset sequencing • SoC POR configuration at reset • Implements registers for system control and monitoring • General fault monitoring and logging QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
System controller 2.1 Processor The LS1028ARDB board is based on the QorIQ LS1028A processor having two Arm® Cortex®- A72 processor cores. The LS1028ARDB board supports as many features of the LS1028A as possible. In addition, the LS1028ARDB board supports an LS1043A interposer that allows early evaluation of the board with limited features and restrictions.
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0.6 V at 3 A Address and control bus termination supply MVREF 0.6 V at 3 A Reference voltage for DDR4 DRAM memories Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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0.9 V / 1.0 V at 0.15 Power supply for TA_BB_VDD. Integrated 1. VDD is 1.0 V or 0.9 V depending upon the state of GPIO1_DAT24 GPIO pin of LS1028A. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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On the availability of 12 V supply to the power regulators, the orderly enable of all power supplies are sequenced using powergood of the regulators, as shown in the following figure. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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LDO4 (PS_DDR_EN) DDR4 (1.2V, VTT, VREF) MC34716 Internal delay from last SEQ EVENT RST_OUT (to CPLD) VR500 RST_OUT Figure 2-4. Power up voltage sequence QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
2.3 Clocks The LS1028ARDB provides all the clocks required for the processor and peripheral interfaces. The figure below shows the LS1028ARDB clock architecture. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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• Frequency: 25 MHz CPLD • Output type: LVCMOS • Operating voltage: 3.3 V OUT3,5: • Frequency: 100 SerDes1 controller SD1_REF_CLK1_[P, N] SD1_REF_CLK2_[P,N] Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The LS1028ARDB board connects four 1G x8 DDR4 SDRAM memory chips supporting data transfer rates of up to 1.6 GT/s and one 1G x8 DDR4 SDRAM memory chip supporting ECC. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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VTT (0.6 V) and VREFCA (0.6 V). The memory interface including all the necessary termination and I/O power are routed, as shown in the following figure. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
(DFP) or upstream facing port (UFP). Based on the configuration detected on the Type C port, the USB2 PHY can operate either in host or device mode. The following figure shows the architecture of the USB 3.0 interface. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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The USB switch is powered from +5 V USB power supply. To indicate power fault conditions, the USB switch sends PWRFAULT signals to the QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The LS1028A processor supports one SerDes LYNX36 module with four high-speed serial communication lanes to support various protocols, such as SGMII, QSGMII, PCIe, and SATA. The figure below shows the LS1028ARDB SerDes architecture. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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3 / D PCIe Gen 3 (8 Gbit/s) M.2 Key E slot for Wi-Fi cards SATA 3.0 (6 Gbit/s) M.2 Key B slot for SATA based SSD cards QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
2.8.1 SGMII Ethernet The onboard Ethernet PHY, Qualcomm AR8033 PHY (U23) connects to the ENETC of the LS1028A processor using SGMII protocol over LYNX36 SerDes lane A. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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R413, R414, R415 & R416 : MO DE 0001 Figure 2-9. SGMII and IEEE 1588 Table 2-5. Hardware bootstrap settings for SGMII PHY Setting Description PHY_AD[2:0] PHY address = 0b00010 MODE[3:0]=0001 SGMII<=>UTP QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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10K DNP Figure 2-10. QSGMII port Table 2-6. Hardware bootstrap settings for QSGMII PHY Setting Description PHY_AD[4:2] PHY address = 0b100 Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
Table 2-8 to support solid state storage devices (SSD) ( SATA 3.0). The M.2 Key B connector supports 2230 and 2242 module card types. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
It is recommended to use UART1 as a debug port. The LTC2804-1 transceiver can support 1 Mbit/s data rate on each of the serial ports. The figure below shows the LS1028ARDB DUART connections. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
CAN signals to and from the processor. The TJA1052T/3 transceivers can support data rate of up to 5 Mbit/s in CAN with Flexible Data-Rate (CAN FD) phase. The figure below shows the CAN architecture. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
(1.8 V to 3.3 V and 3.3 V to 1.8 V) for CPLD and external I2C devices. The figure below shows the I2C bus architecture. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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All channels on I2C1 are translated to 3V3 except channel 1, which operates at 1V8 (OVDD) power supply. The I2C devices available on the I2C1 bus are shown in the figure below. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Write protectable. 0x57 Atmel AT24C02C-XHM-B: System ID Stores board-specific 256-byte EEPROM data, such as MAC addresses and serial number/errata. Write protectable. Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
QSPI emulation. The XSPI chip-select signals from the processor are driven to the XSPI memories or to the QSPI emulator through two high-speed multiplexers. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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QSPI flash emulator (DediProg EM100Pro) through an ISP-ADP-intel-B cable adapter. The EM100Pro emulator uses 1.8 V as the input/output voltage. The table below describes the XSPI routing configuration. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
I2C on both the modules can be accessed instantaneously from the I2C mux. For more information on I2C mux selection, refer interface. The following figure shows the mikroBUS architecture. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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However, only one mikroBUS connector can be used at a time as SPI3 supports only one chip select. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
GPIO1_DAT24 controls the VDD regulator and is used to change the VDD value from 1.0 V to 0.9 V as described in the following table. Table 2-16. GPIO1_24 setting GPIO Setting GPIO1_24 High (default) 1.0 V GPIO1_24 0.9 V QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
I2C write Description 0x77 0x0B 0x0B Program primary I2C bus multiplexer (PCA9848PWJ) to get access to I2C1_CH3 (I2C sub-channel for SA56004ED) Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
• System alert monitoring and status display • Remapping of system boot devices • Handling of board control and status registers The following figures show the system controller architectural details. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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The system controller is powered using the 3.3 V and 1.8 V regulators. The CPLD controls the reset of the board peripherals including the LS10128A processor. However, the CPLD does not control power sequencing. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Device resets are asserted: • RST_QSGMII_B • RST_1GETH_B • PEXM2_1_PERST0_B • PEXM2_2_PERST0_B • SATAM2_3_PERST0_B • RST_IEEE1588_B • RST_I2C_B • RST_MEM1_3V3_B Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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If RCW data is correct, then the system starts running the code. If there is an error, then RESET_REQ_B is asserted and the system halts. Reset sequence complete. The CPLD has finished reset management. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Table 2-21. Reset sequence Controller Step Action Description The reset sequencer watches for reset switch events and will restart at reset sequencer step 1 if any are detected. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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System controller QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
5 V power is supplied to the USB 1 connector for external devices Yellow ASLEEP The processor has not exited Sleep mode, which generally indicates: • Improper RCW source selection Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Green TA_BB_VDD Low power security monitor supply is operating correctly Green SocInSocket Indicates that the LS1028A processor is in socket Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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1011 = 0xB Start reset due to (cause): Watchdog timeout RST_BY_REG 1100 = 0xC Start reset due to (cause): Register bit set Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Start reset due to (cause): Pushbutton switch RECONFIG 1110 = 0xE Start reset due to (cause): Reconfig request POST_RST 1111 = 0xF Recover from requester reset QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Watchdog (WATCH) xxxxxxxb 021h Power Control 2 (PWR_CTL2) 00000000b 024h Power Status 0 (PWR_MSTAT) 110010xxb 025h Power Status 1 (PWR_STAT1) 1xxx1111b Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
If you attempt to read such addresses, undefined data is returned. Undefined register addresses may be defined in the future. For registers which do not define all bits, reserved bits behave as follows: QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.3 Identification Registers The ID block of registers contain values which identify the board, including major revisions to the board and/or system controller FPGA or CPLD. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The ID number remains same for all board revisions. 4.4.3 Diagram Bits NONE 4.4.4 Fields Field Function The board-specific identifier for the system. 47h= LS1028ARDB 4.5 Board Version (VER) QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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The BRD field lets end users determine the version of the board. Software can use this field to print board version identification. For example: printf("Board Version: %c", (get_pixis( VER ) & 0Fh) + 'A' - 1 ); QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.6.3 Diagram Bits QVER NONE 00000001 4.6.4 Fields Field Function Qixis version as a decimal value: QVER 1= Version 1 2= Version 2 4.7 Programming Model (MODEL) QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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0010= Revision 2 : PCB version is 'A2', 'B2', etc. and so forth. Note that this field should be appended to the VER.PCB information only if non-zero. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.8.3 Diagram Bits INFO NONE 4.8.4 Fields Field Function 0h= The minor revision number, increases on each distribution. INFO 8h= Bits 31-24 of the 32bit build date. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.10.1 Address Register Offset 005h 4.10.2 Function The CTL register is used to control various aspects of the target system. 4.10.3 Diagram Bits XTEST CFGWP FAIL CRST QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The AUX register may be used by software to store information. The AUX register is initialized to zero when the system is powered-up, and never altered by hardware again. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors...
Write 1 to an ALARM register bit to prevent Qixis from recognizing that alarm condition. By default, all alarms are handled. 4.13.3 Diagram Bits TWARN TALERT ARST 0000 QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
SYSCLK frequencies, boot device selections, or any other configuration controlled by a BRDCFG or DUTCFG register. 4.19 Reconfiguration Control (RCFG) QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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NOTE: This is not a highly-secure watchdog; software can reset this bit at any time and disable the watchdog. Reserved. Reconfiguration Start: 0= Reconfiguration sequencer is idle. 1= On the 0-to-1 transition, the reconfiguration process begins. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
U2CON 0= No connection detected. 1= Connection detected. USB2 ID Status: U2ID 0= USB2 ID is low (DFP mode). 1= USB2 ID is high (UFP mode). QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
10= Force USB1_PWRFAULT low (mask power-faults). 11= Force USB1_PWRFAULT high (trigger a power-fault condition). USB2 Fault Control: UFC2 10= Normal operation. 11= Force signal USB2_PWRFAULT high (trigger a power-fault condition). Reserved. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Watchdog timer value, as determined by the formula: WATCH time-out = [ WATCH * (2.0sec) ] + 2.0sec Examples: 11111111= 8 min 00111111= 2 min 00001111= 32 sec QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.24 Power Control 2 (PWR_CTL2) 4.24.1 Address Register Offset PWR_CTL2 021h 4.24.2 Function The PWR_CTL2 register is used to control system power-on/power-off events. 4.24.3 Diagram Bits CRST 0000000 QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The PWR_MSTAT register monitors the overall power status of the board, including that of the main (ATX or other) power supply used to power all other rails. 4.25.3 Diagram Bits ATXON ATXGD FAULT PWROK SSTATE NONE QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The PWR_STAT1 registers is used to monitor the status of individual power supplies. If a bit is set to '1', the respective power supply is operating correctly. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
1= Power supply is operating. 4.27 Clock Control Registers The clock control registers control programmable clock synthesizers used to supply clocks to the processor and associated peripherals. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
Bits NONE 0000 0000 4.29.4 Fields Field Function Reserved. System Clock ID = 0000 (NONE) CLK0= SYSCLK is fixed on this system. 4.30 Reset Control Registers QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
11= Normal - assert PORESET_B to DUT to begin normal reset sequence. DDR Reset Lock: DDRLK 0= Reset is asserted to the DDR DIMMs/devices normally. Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
The RST_STAT register reports the current status of various reset-related signals. 4.32.3 Diagram Bits WAIT SYSRST HRST PORST RREQ NONE 4.32.4 Fields Field Function Reset Waiting: Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.33 Reset Event Trace (RST_REASON) 4.33.1 Address Register Offset RST_REASON 042h 4.33.2 Function The RST_REASON register is used to report the cause of the most-recent reset cycle. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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1= Assert DUT_PORESET_B. PORST NOTE: This bit only asserts the signal to the DUT; it is not intended to be used as a general system reset. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
Mask selected reset sources. See RST_FORCE1 for details. 4.38.3 Diagram Bits QSGMII TRST HRST PORST ARST 4.38.4 Fields Field Function 1= Mask RST_QSGMII_B. QSGMII Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
4.41 Board Configuration 0 (BRDCFG0) 4.41.1 Address Register Offset BRDCFG0 050h 4.41.2 Function The BRDCFG0 register is used to select between the XSPI NOR, the XSPI NAND, or an XSPI QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
U2I reports the current 3.3V LVTTL level on the IRQ interrupt pin. U2R reports the current 3.3V LVTTL level on the RST pin. Reserved. Table continues on the next page... QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
06Bh 4.52.2 Function The DUTCFG11 register is used to control the CFG_ENG_USE[7:0] signals. The function of these bits are defined by silicon engineers for special use. QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
Image of configuration switch #n. Ranges not listed are reserved. A standard use of the CMSA/CMSD port is to read the state of configuration switches, for example: QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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CMSD register. 4.54.3 Diagram Bits ADDR ARST 00000000 4.54.4 Fields Field Function Select internal CMS register for read/write via CMSD. ADDR QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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CMSD contains the value of a CMS register selected by CMSA. See CMSA for details. 4.55.3 Diagram Bits DATA ARST 00000000 4.55.4 Fields Field Function Read/write internal CMS registers selected with CMSA. DATA QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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Revision History The table below summarizes the revisions to this document. Table A-1. Revision history Revision Date Topic cross-reference Change description Rev. A 02/2018 Initial NDA revision QorIQ LS1028A Reference Design Board Reference Manual, Rev. A, 02/2018 NXP Semiconductors Confidential Proprietary...
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