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Contents
Chapter 1 LS1046ARDB Overview......................................................................6
1.1 Acronyms and abbreviations.........................................................................................................................................6
1.2 Related documentation.................................................................................................................................................7
1.3 Block diagram...............................................................................................................................................................8
1.4 Board features.............................................................................................................................................................. 9
1.5 Board top/bottom views.............................................................................................................................................. 14
Chapter 2 LS1046ARDB Functional Description.............................................16
2.1.1 Primary power supply ................................................................................................................................. 17
2.1.2 Secondary power supplies.......................................................................................................................... 17
2.1.3 Power supply sequence...............................................................................................................................19
2.1.4 Current and power measurements.............................................................................................................. 19
2.2 Clocks........................................................................................................................................................................ 20
2.3 DDR interface.............................................................................................................................................................23
2.4 SerDes interface........................................................................................................................................................ 24
2.4.1 PCI Express support...................................................................................................................................26
2.4.2 SGMII support.............................................................................................................................................27
2.6 Ethernet management interface.................................................................................................................................28
2.7 USB interface............................................................................................................................................................. 29
2.8 IFC interface...............................................................................................................................................................30
2.9 QSPI interface............................................................................................................................................................31
2.10 SDHC interface........................................................................................................................................................ 31
2.11 UART interface......................................................................................................................................................... 32
2.12 I2C interface.............................................................................................................................................................33
2.13 JTAG interface..........................................................................................................................................................35
2.14 CMSIS-DAP interface...............................................................................................................................................36
2.15 Temperature measurement...................................................................................................................................... 36
2.16 DIP switches............................................................................................................................................................ 37
2.17 LEDs........................................................................................................................................................................ 39
2.18 Processor configuration............................................................................................................................................41
3.6 RCW Source Location POR Register 1 (REG_CFG_RCW_SRC1)........................................ 47
3.7 RCW Source Location POR Register 2 (REG_CFG_RCW_SRC2)........................................ 48
3.11 SerDes1 Reference Clock2 Setting Register (REG_SD1REFCLK_SEL).............................. 52
3.12 Ethernet Controller 2 Connection Control Register (REG_RGMII_1588_SEL)..................... 53
Contents
QorIQ LS1046A Reference Design Board Reference Manual, Rev. 2, 30 May 2019
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NXP Semiconductors