BeagleBone Black System
Reference Manual
Page 8 of 121
6.1.1 TPS65217C PMIC .................................................................................................................39
6.1.2 DC Input ................................................................................................................................42
6.1.3 USB Power ............................................................................................................................43
6.1.4 Power Selection .....................................................................................................................43
6.1.5 Power Button .........................................................................................................................43
6.1.6 Battery Access Pads ...............................................................................................................44
6.1.7 Power Consumption ..............................................................................................................45
6.1.8 Processor Interfaces ..............................................................................................................45
6.1.9 Power Rails ...........................................................................................................................47
6.1.10 Power LED .......................................................................................................................50
6.1.11 TPS65217C Power Up Process ........................................................................................50
6.1.12 Processor Control Interface .............................................................................................51
6.1.13 Low Power Mode Support ................................................................................................51
6.2 SITARA XAM3359AZCZ100 PROCESSOR .......................................................................................52
6.2.1 Description ............................................................................................................................52
6.2.2 High Level Features ..............................................................................................................54
6.2.3 Documentation.......................................................................................................................54
6.3 DDR3L MEMORY ............................................................................................................................55
6.3.1 Memory Device ......................................................................................................................55
6.3.2 DDR3L Memory Design ........................................................................................................55
6.3.3 Power Rails ...........................................................................................................................57
6.3.4 VREF .....................................................................................................................................57
6.4 2GB EMMC MEMORY .....................................................................................................................58
6.4.1 eMMC Device ........................................................................................................................58
6.4.2 eMMC Circuit Design............................................................................................................59
6.5 MICRO SECURE DIGITAL ..................................................................................................................60
6.5.1 microSD Design .....................................................................................................................60
6.6 USER LEDS ......................................................................................................................................61
6.7 BOOT CONFIGURATION ....................................................................................................................62
6.7.1 Boot Configuration Design ....................................................................................................62
6.7.2 Default Boot Options .............................................................................................................64
6.8 10/100 ETHERNET ............................................................................................................................65
6.8.1 Ethernet Processor Interface .................................................................................................65
6.8.2 Ethernet Connector Interface ................................................................................................66
6.8.3 Ethernet PHY Power, Reset, and Clocks ...............................................................................67
6.8.4 LAN8710A Mode Pins ...........................................................................................................68
6.9 HDMI INTERFACE ...........................................................................................................................69
6.9.1 Supported Resolutions ...........................................................................................................69
6.9.2 HDMI Framer........................................................................................................................70
6.9.3 HDMI Video Processor Interface ..........................................................................................70
6.9.4 HDMI Control Processor Interface .......................................................................................71
6.9.5 Interrupt Signal......................................................................................................................72
6.9.6 Audio Interface ......................................................................................................................72
6.9.7 Power Connections ................................................................................................................73
6.9.8 HDMI Connector Interface ....................................................................................................74
6.10 USB HOST ..................................................................................................................................75
6.10.1 Power Switch ....................................................................................................................75
6.10.2 ESD Protection .................................................................................................................75
6.10.3 Filter Options ....................................................................................................................75
6.11 PRU-ICSS ..................................................................................................................................76
6.11.1 PRU-ICSS Features ..........................................................................................................76
6.11.2 PRU-ICSS Block Diagram ................................................................................................76
6.11.3 PRU-ICSS Pin Access .......................................................................................................77
7.0 CONNECTORS .................................................................................................................................78