1 Overview 2 -------- 3 The LS1021A-IOT is a Freescale reference board that hosts 4 the LS1021A SoC. 5 6 LS1021AIOT board Overview 7 ------------------------- 8 - DDR Controller 9 - Supports 1GB un-buffered DDR3L SDRAM discrete 10 devices(32-bit bus) with 4 bit ECC 11 - DDR power supplies 1.35V to all devices with 12 automatic tracking of VTT 13 - Soldered DDR chip 14 - Supprot one fixed speed 15 - Ethernet 16 - Two on-board SGMII 10/100/1G ethernet ports 17 - One Gbit Etherent RGMII interface to 4-ports switch 18 with 4x 10/100/1000 RJ145 ports 19 - CPLD 20 - 8-bit registers in CPLD for system configuration 21 - connected to IFC_AD[0:7] 22 - Power Supplies 23 - 12V@5A DC 24 - SDHC 25 - SDHC port connects directly to a full 8-bit SD/MMC slot 26 - Support for SDIO devices 27 - USB 28 - Two on-board USB 3.0 29 - One on-board USB k22 30 - PCIe 31 - Two MiniPCIe Solts 32 - SATA 33 - Support SATA Connector 34 - AUDIO 35 - AUDIO in and out 36 - I/O Expansion 37 - Arduino Shield Connector 38 - Port0 - CAN/GPIO/Flextimer 39 - Port1 - GPIO/CPLD Expansion 40 - Port2 - SPI/I2C/UART 41 42 Memory map 43 ----------- 44 The addresses in brackets are physical addresses. 45 46 Start Address End Address Description Size 47 0x00_0100_0000 0x00_0FFF_FFFF CCSRBAR 240MB 48 0x00_4000_0000 0x00_43FF_FFFF QSPI(Chip select 0) 64MB 49 0x00_4400_0000 0x00_47FF_FFFF QSPI(Chip select 1) 64MB 50 0x00_6000_0000 0x00_6000_FFFF CPLD 64K 51 0x00_8000_0000 0x00_BFFF_FFFF DDR 1GB 52 53 Boot description 54 ----------------- 55 LS1021A-IOT support two ways of boot: 56 Qspi boot and SD boot 57 The board doesn't support boot from another 58 source without changing any switch/jumper. 59
