NXP Semiconductors QorIQ LS1028A, Reference Manual, Page: 2 / 112

Contents
Chapter 1 LS1028ARDB Overview......................................................................4
1.1 Acronyms and abbreviations.........................................................................................................................................4
1.2 Related documentation.................................................................................................................................................6
1.3 Block diagrams............................................................................................................................................................. 7
1.4 Board features.............................................................................................................................................................. 9
Chapter 2 LS1028ARDB Functional Description.............................................14
2.1 Processor................................................................................................................................................................... 14
2.2 Power supplies........................................................................................................................................................... 15
2.3 Clocks........................................................................................................................................................................ 21
2.4 DDR interface.............................................................................................................................................................23
2.5 USB interface ............................................................................................................................................................ 24
2.6 DisplayPort.................................................................................................................................................................26
2.7 SerDes interface........................................................................................................................................................ 26
2.8 Ethernet controller interface....................................................................................................................................... 27
2.9 Synchronous audio interface (SAI).............................................................................................................................30
2.10 M.2 connectors.........................................................................................................................................................31
2.11 DUART interface.......................................................................................................................................................32
2.12 CAN interface........................................................................................................................................................... 33
2.13 I2C interface.............................................................................................................................................................34
2.14 XSPI interface.......................................................................................................................................................... 38
2.15 JTAG port................................................................................................................................................................. 40
2.16 eSDHC interface...................................................................................................................................................... 40
2.17 Mikro-click modules..................................................................................................................................................41
2.18 GPIOs...................................................................................................................................................................... 43
2.19 Interrupt handling..................................................................................................................................................... 43
2.20 Temperature measurement...................................................................................................................................... 44
2.21 System controller .................................................................................................................................................... 44
Chapter 3 Board Configuration and Debug Support...................................... 51
3.1 Switch configuration................................................................................................................................................... 51
3.2 LEDs.......................................................................................................................................................................... 53
Chapter 4 Qixis Programming Model...............................................................58
4.1 Register Conventions.............................................................................................................. 60
4.2 Resets..................................................................................................................................... 60
4.3 Identification Registers............................................................................................................ 61
4.4 Identification (ID)..................................................................................................................... 61
4.5 Board Version (VER)............................................................................................................... 62
4.6 Qixis Version (QVER).............................................................................................................. 63
4.7 Programming Model (MODEL)................................................................................................ 63
4.8 Minor Revision (MINOR)..........................................................................................................64
4.9 Control and Status Registers...................................................................................................66
4.10 General Control (CTL)........................................................................................................... 66
4.11 Auxiliary (AUX).......................................................................................................................67
4.12 System Status (STAT_SYS)................................................................................................... 67
4.13 Alarm (ALARM)..................................................................................................................... 68
4.14 Presence Detect 1 (STAT_PRES1)........................................................................................ 69
Contents
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
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