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Box 687 Yokneam Illit 20692 ISRAEL Tel: +972 (4) 8290100 http://www.compulab.com Fax: +972 (4) 8325251 Revised January 2018 CL-SOM-AM57x 2 Table of Contents Table of Contents 1 INTRODUCTION .......................................................................................................... 6 1.1 About This Document .................................................................................................. 6 1.2 CL-SOM-AM57x Part Number Legend ...................................................................... 6 1.3 Related Documents ...................................................................................................... 6 2 OVERVIEW ................................................................................................................... 7 2.1 Highlights .................................................................................................................... 7 2.2 Block Diagram ............................................................................................................. 8 2.3 CL-SOM-AM57x Features .......................................................................................... 9 3 CORE SYSTEM COMPONENTS ............................................................................. 11 3.1 AM57x SoC ............................................................................................................... 11 3.1.3 Display Subsystem ........................................................................................... 12 3.2 Memory ...................................................................................................................... 14 3.2.1 DRAM .............................................................................................................. 14 3.2.2 Bootloader Storage ........................................................................................... 14 3.2.3 General Purpose Storage .................................................................................. 14 4 PERIPHERAL INTERFACES ................................................................................... 15 4.1 Display Interface ........................................................................................................ 17 4.1.1 Parallel Display interface .................................................................................. 17 4.1.2 HDMI Interface ................................................................................................ 18 4.1.3 LVDS Display interface ................................................................................... 18 4.2 Parallel Camera Interface .......................................................................................... 19 4.3 PCI Express ............................................................................................................... 26 4.4 SATA ......................................................................................................................... 27 4.5 USB 3.0...................................................................................................................... 27 4.6 USB2.0 ports.............................................................................................................. 28 4.7 Ethernet ...................................................................................................................... 29 4.8 Wireless Interfaces ..................................................................................................... 30 4.8.1 WLAN Only ..................................................................................................... 30 4.8.2 Dual Band WLAN & Bluetooth ....................................................................... 31 4.9 Analog Audio ............................................................................................................. 31 4.10 Digital Audio (McASP) ........................................................................................ 33 4.11 MMC / SD /SDIO ................................................................................................. 34 4.12 UART .................................................................................................................... 35 4.13 SPI ......................................................................................................................... 38 4.14 I2C ......................................................................................................................... 39 4.15 CAN Bus ............................................................................................................... 39 4.16 Resistive Touch Interface ...................................................................................... 40 4.17 HDQ / 1-Wire........................................................................................................ 40 4.18 Enhanced High Resolution PWM module (eHRPWM) ....................................... 41 4.19 Enhanced Capture module (eCAP) ....................................................................... 41 Revised January 2018 CL-SOM-AM57x 3 Table of Contents 4.20 Quadrature Encoder Pulse module (eQEP) ........................................................... 42 4.21 PRU-ICSS ............................................................................................................. 42 4.21.1 PRU-ICSS MII ................................................................................................. 42 4.21.2 PRU-ICSS UART ............................................................................................. 43 4.21.3 PRU-ICSS Industrial Ethernet Peripheral ........................................................ 43 4.21.4 PRU-ICSS Enhanced Capture Event Module (PRU-ICSS eCAP) ................... 44 4.21.5 PRU-ICSS GPI / GPO ...................................................................................... 44 4.22 General Purpose Timer ......................................................................................... 46 4.23 GPIO ..................................................................................................................... 47 5 SYSTEM LOGIC ......................................................................................................... 50 5.1 Power Supply ............................................................................................................. 50 5.2 System and Miscellaneous Signals ............................................................................ 50 5.2.1 Power Management .......................................................................................... 50 5.2.2 General Purpose clocks .................................................................................... 50 5.2.3 Flash Write-protection ...................................................................................... 51 5.3 Reset .......................................................................................................................... 51 5.4 Boot Sequence ........................................................................................................... 51 5.5 Signal Multiplexing Characteristics .......................................................................... 53 5.6 RTC ............................................................................................................................ 63 5.7 LED ............................................................................................................................ 63 6 CARRIER BOARD INTERFACE ............................................................................. 64 6.1 Connector Pinout ....................................................................................................... 64 6.2 Mechanical Drawings ................................................................................................ 74 6.3 Heat Spreader and Cooling Solutions ........................................................................ 75 6.4 Standoffs/Spacers ...................................................................................................... 75 7 OPERATIONAL CHARACTERISTICS .................................................................. 76 7.1 Absolute Maximum Ratings ...................................................................................... 76 7.2 Recommended Operating Conditions ........................................................................ 76 7.3 DC Electrical Characteristics ..................................................................................... 76 7.4 ESD Performance .....................................................................................................