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REF: BBONEBLK_SRM

BeagleBone Black System

Reference Manual

Rev A5.2

Page 38 of 108

6.1.2

DC Input

Figure 23

below shows how the DC input is connected to the

TPS65217C

.

VDD_5V

P1

PJ-200A

1

1

3

3

2

2

DGND

DGND

C1
10uF,10V

C2
10uF,10V

DGND

U2

TPS65217C

AC

10

USB

12

SYS1

7

SYS2

8

VIN_DCDC1

21

VIN_DCDC3

32

VINLDO

2

LDO3_IN

39

VIN_DCDC2

22

LDO4_IN

42

USB_DC

U4

TL5209

IN

2

OUT

3

GND1

5

EN

1

ADJ

4

GND3

6

GND2

7

GND4

8

DGND

VDD_3V3A

DGND

C17

2.2uF,6.3V

Figure 23.

TPS65217 DC Connection

A 5VDC supply  can be  used to  provide power to the board. The power  supply current
depends on how many and what type of add-on boards are connected to  the board. For
typical  use,  a  5VDC  supply  rated  at  1A  should  be  sufficient.  If  heavier  use  of  the
expansion  headers  or  USB  host  port  is  expected,  then  a  higher  current  supply  will  be
required.

The connector used is a 2.1MM center positive x 5.5mm outer barrel. The 5VDC rail is
connected  to  the  expansion  header.  It  is  possible  to  power  the  board  via  the  expansion
headers  from  an  add-on  card.  The  5VDC  is  also  available  for  use  by  the  add-on  cards
when the power is supplied by the 5VDC jack on the board.

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Содержание BBONEBLK_SRM

Страница 1: ...F BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 1 of 108 BeagleBone Black System Reference Manual Revision A5 2 April 11 2013 Author Gerald Coley Contributing Editor Robert P J D...

Страница 2: ...works are to be attributed to Gerald Coley of BeagleBoard org For more information see http creativecommons org license results one license_code by sa Send all comments and errors concerning this doc...

Страница 3: ...EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE DESIGN...

Страница 4: ...license is granted under any patent right or other intellectual property right of Supplier covering or relating to any machine process or combination in which such Supplier products or services might...

Страница 5: ...ensure that your use of the BeagleBone will not result in any property damage injury or death even if the BeagleBone should fail to perform as described or expected Certain Instructions It is importan...

Страница 6: ...esidential Dr 100 Richardson TX 75081 U S A WARRANTY The BeagleBone Black Assembly as purchased is warranted against defects in materials and workmanship for a period of 90 days from purchase This war...

Страница 7: ...0 BEAGLEBONE BLACK OVERVIEW 24 4 1 BEAGLEBONE COMPATIBILITY 25 4 2 BEAGLEBONE BLACK FEATURES AND SPECIFICATION 26 4 3 BOARD COMPONENT LOCATIONS 27 4 3 1 Connectors LEDs and Switches 27 4 3 2 Key Comp...

Страница 8: ...1 eMMC Device 53 6 4 2 eMMC Circuit Design 54 6 5 MICRO SECURE DIGITAL 55 6 5 1 uSD Design 55 6 6 USER LEDS 56 6 7 BOOT CONFIGURATION 57 6 7 1 Boot Configuration Design 57 6 7 2 Default Boot Options 5...

Страница 9: ...6 2 Expansion Board External Power 98 8 7 MECHANICAL 98 8 7 1 Standard Cape Size 98 8 7 2 Extended Cape Size 99 8 7 3 Enclosures 100 9 0 BEAGLEBONE BLACK MECHANICAL 101 9 1 DIMENSIONS AND WEIGHT 101...

Страница 10: ...2 eMMC Memory Design 54 Figure 33 uSD Design 55 Figure 34 User LEDs 56 Figure 35 Processor Boot Configuration Design 57 Figure 36 Processor Boot Configuration 58 Figure 37 Ethernet Processor Interface...

Страница 11: ...9 Bottom Side 108 Tables Table 1 Change History 12 Table 2 BeagleBone Black Features 26 Table 3 BeagleBone Black Battery Pins 40 Table 4 BeagleBone Black Power Consumption mA 5V 41 Table 5 Processor F...

Страница 12: ...ions and as such not result in a change in the revision number Make sure you check the support Wiki frequently for the most up to date information http circuitco com support index php title BeagleBone...

Страница 13: ...d 1 Tethered to a PC and 2 As a standalone development platform in a desktop PC configuration 3 1 What s In the Box In the box you will find three main items as shown in Figure 1 BeagleBone Black mini...

Страница 14: ...s described in the Quick Start Guide card that comes in the box Tethered to a PC via the USB cable o Board is accessed as a storage drive o Or a RNDIS Ethernet connection Standalone desktop o Display...

Страница 15: ...l 5VDC power supply can be used but this should rarely be necessary 3 3 1 Connect the Cable to the Board 1 Connect the small connector on the USB cable to the board as shown in Figure 4 The connector...

Страница 16: ...s 3 3 2 Accessing the Board as a Storage Drive The board will appear around a USB Storage drive on your PC after the kernel has booted which will take a round 10 seconds The kernel on the board needs...

Страница 17: ...ies and instructions are described in the following section Figure 6 Desktop Configuration Optionally an Ethernet cable can also be used for network access 3 4 1 Required Accessories In order to use t...

Страница 18: ...to your HDMI monitor Refer to your monitor Owner s Manual for the location of your HDMI port If you have a DVI D Monitor go to Step 3 otherwise proceed to Step 4 Figure 7 Connect microHDMI Cable to t...

Страница 19: ...10 Figure 9 Wireless Keyboard and Mouse Combo Figure 10 Connect Keyboard and Mouse Receiver to the Board If you have a wired USB keyboard requiring two USB ports you will need a HUB similar to the one...

Страница 20: ...ea network an Ethernet cable can be used Connect the Ethernet Cable to the Ethernet port as shown in Figure 12 Any standard 100M Ethernet cable should work Figure 12 Ethernet Cable Connection 5 Apply...

Страница 21: ...to the Board The connector is fairly robust but we suggest that you not use the cable as a leash for your Beagle Take proper care not to put too much stress on the connector or cable 7 Booting the Boa...

Страница 22: ...s being accessed 8 A Booted System 1 The board will have a mouse pointer appear on the screen as it enters the Linux boot step You may have to move the physical mouse to get the mouse pointer to appea...

Страница 23: ...A5 2 Page 23 of 108 Figure 16 Desktop Screen NOTE At press time this is what the default screen looks like If you see something different do not be alarmed It is intended Once the final screen is fina...

Страница 24: ...to access the peripherals by the creation of your own software and hardware It also offers access to many of the interfaces and allows for the use of add on boards called capes to add many different...

Страница 25: ...ation over USB o Cost reduction o JTAG header is not populated but can easily be mounted Onboard Managed NAND eMMC o 2GB o Cost reduction o Performance boost x8 vs x4 bits o Performance boost due to d...

Страница 26: ...ower Source miniUSB USB or DC Jack 5VDC External Via Expansion Header PCB 3 4 x 2 1 6 layers Indicators 1 Power 2 Ethernet 4 User Controllable LEDs HS USB 2 0 Client Port Access to USB0 Client mode vi...

Страница 27: ...LEDs and Switches DC Power is the main DC input that accepts 5V power Power Button alerts the processor to initiate the power down sequence 10 100 Ethernet is the connection to the LAN Serial Debug is...

Страница 28: ...18 Key Components Sitara AM3359AZCZ100 is the processor for the board Micron 512MB DDR3L is the Dual Data Rate RAM memory TPS65217C PMIC provides the power rails to the various components on the boar...

Страница 29: ...Page 29 of 108 5 0 BeagleBone Black High Level Specification This section provides the high level specification of the BeagleBone Black 5 1 Block Diagram Figure 19 below is the high level block diagra...

Страница 30: ...ill operate at a clock frequency of 303MHz yielding an effective rate of 606MHZ on the DDR3L bus allowing for 1 32GB S of DDR3L memory bandwidth 5 3 2 32KB EEPROM A single 32KB EEPROM is provided on I...

Страница 31: ...s provided to allow switching between the modes Holding the boot switch down during boot without a SD card inserted will force the boot source to be the USB port and if nothing is detected on the USB...

Страница 32: ...full 500mA but should be sufficient to supply enough current for a lower power USB device supplying power between 50 to 100mA You can use a wireless keyboard mouse configuration or you can add a HUB...

Страница 33: ...ovides ability to let processor put board into a sleep mode to save power Can alert processor to wake up from sleep mode and restore state before sleep was entered Allows board to enter the sleep mode...

Страница 34: ...4 1440 x 900 1024 x 768 1280 x 720 5 14 Cape Board Support The BeagleBone Black has the ability to accept up to four expansion boards or capes that can be stacked onto the expansion headers The word c...

Страница 35: ...Hardware Design This section provides a detailed description of the Hardware design This can be useful for interfacing writing drivers or using it to help modify specifics of your own design Figure 2...

Страница 36: ...tage MPU and memory voltage for the board The step down converters enter a low power mode at light load for maximum efficiency across the widest possible range of load currents For low noise applicati...

Страница 37: ...l house keeping functions such as power good output pushbutton monitor hardware reset function and temperature sensor to protect the battery For more information on the TPS65217C refer to http www ti...

Страница 38: ...7 DC Connection A 5VDC supply can be used to provide power to the board The power supply current depends on how many and what type of add on boards are connected to the board For typical use a 5VDC su...

Страница 39: ...GND C1 10uF 10V U2 TPS65217C USB 12 C36 0 1uf 6 3V DGND P4 mini USB B D 2 D 3 VB 1 ID 4 G2 7 G3 6 G1 5 G5 8 G4 9 DGND Figure 24 USB Power Connections 6 1 4 Power Selection The selection of either the...

Страница 40: ...u push and hold the button for greater than 8 seconds the PMIC will power down But you must release the button when the power LED turns off Holding the button past that point will cause the board to p...

Страница 41: ...50 Kernel Idling Display Blank 280 280 280 Loading a Webpage 430 430 430 The current will fluctuate as various activates occur such as the LEDs on and uSD eMMC accesses 6 1 8 Processor Interfaces The...

Страница 42: ...essor which was holding the processor reset 6 1 8 5 WAKEUP The WAKEUP signal from the TPS65217C is connected to the EXT_WAKEUP signal on the processor This is used to wake up the processor when it is...

Страница 43: ...Power Rails 6 1 9 1 VRTC Rail The VRTC rail is a 1 8V rail that is the first rail to come up in the power sequencing It provides power to the RTC domain on the processor and the I O rail of the TPS652...

Страница 44: ...rail can deliver up to 1 2A at 1 1V This rail is not accessible for use anywhere else on the board and only connects to the processor This rail is fixed at 1 1V and is not scaled 6 1 9 6 VDD_MPU Rail...

Страница 45: ...that make up the power up process for the processer Figure 26 Power Rail Power Up Sequencing Figure 27 the voltage rail sequencing for the TPS65217C as it powers up and the voltages on each rail The p...

Страница 46: ...C LDO 1 8V which provides power to the VRTC rail and controls the RTC_PORZ input pin to the processor which starts the power up process of the processor Once the RTC rail powers up the RTC_PORZ pin of...

Страница 47: ...rocessor will need to turn off all the rails to enter this mode The VDD_RTC staying on will keep the RTC active and provide for the wakeup interfaces to be active to respond to a wake up event 6 1 13...

Страница 48: ...kage The initial units built will use the XAM3359AZCZ100 processor from TI This is the same processor as used on the original BeagleBone except for a different revision Later we will switch to the AM3...

Страница 49: ...5 500 600 800 1000 ADC 8 ch 12 bit ARM MIPS Max 1000 1200 2000 PWM Ch 3 Graphics Acceleration 1 3D eCAP 3 Other Hardware Acceleration 2 PRU ICSS Crypto Accelerator eQEP 3 On Chip L1 Cache 64 KB ARM Co...

Страница 50: ...ory array in the respective bank A10 sampled during a PRECHARGE command determines whether the PRECHARGE applies to one bank A10 LOW bank selected by BA 2 0 or all banks A10 HIGH The address inputs al...

Страница 51: ...G3 UDQS C7 LDQS F3 DQ8 D7 DQ10 C8 DQ11 C2 DQ14 B8 DQ12 A7 DQ15 A3 DQ13 A2 VDD9 D9 VSSQ6 E8 VDDQ7 E9 VDDQ8 F1 VSSQ7 F9 VSSQ8 G1 VSSQ9 G9 VREF_DQ H1 VDDQ9 H2 VDDQ10 H9 NC1 J1 NC2 J9 VSS5 J2 VSS6 J8 VDD4...

Страница 52: ...r the x8 DQ 3 0 DQS DQS and DM for the x4 The ODT input is ignored if disabled via the LOAD MODE command ODT is referenced to VREFCA 6 3 3 Power Rails The DDR3L memory device and the DDR3 rails on the...

Страница 53: ...hat the controller handles But the controllers may be optimized for reads or writes You never know what you will be getting This can lead to varying rates of performance The eMMC card is a known contr...

Страница 54: ...10K 1 R110 10K 1 U13 MEM_MNAND_2GB DAT0 A3 DAT1 A4 DAT2 A5 DAT3 B2 DAT4 B3 DAT5 B4 DAT6 B5 DAT7 B6 VCCI C2 VSSQ4 C4 VCCQ4 C6 VCC3 E6 VSS2 E7 VSS5 N5 VCC2 F5 VSS1 G5 VSS3 H10 VSS4 K8 VCC1 K9 VCCQ5 M4...

Страница 55: ...Digital The uSD connector on the board will support a uSD card that can be used for booting or file storage on the BeagleBone Black 6 5 1 uSD Design Figure 33 below is the design of the uSD interface...

Страница 56: ...one Black These are connected to GPIO pins on the processor Figure 34 shows the interfaces for the user LEDs R76 100K 1 R77 100K 1 D2 LTST C191TBKT DGND DGND 47k 10k Q1A DMC56404 1 6 2 47k 10k Q1B DMC...

Страница 57: ...2 SYS_BOOT11 SYS_BOOT4 SYS_BOOT2 SYS_BOOT1 SYS_BOOT0 SYS_BOOT7 SYS_BOOT6 SYS_BOOT5 SYS_BOOT3 DGND LCD_DATA5 4 10 11 LCD_DATA4 4 10 11 LCD_DATA3 4 10 11 R65 100K 1 LCD_DATA8 4 10 11 LCD_DATA7 4 10 11 L...

Страница 58: ...On boot the processor will look for the eMMC on the MMC1 port first followed by the uSD slot on MMC0 USB0 and UART0 In the event there is no uSD card and the eMMC is empty UART0 or USB0 could be used...

Страница 59: ...119 1 5K 5 R128 100 1 R127 100 1 R134 100 1 VDD_3V3B RXD3 PHYAD2 RXD2 RMIISEL MODE2 TXCLK REFCLKO RXDV U14 LAN8710A QFN32_5X5MM_EP3P3MM MDIO 16 MDC 17 RXD3 PHYAD2 8 RXD2 RMIISEL 9 RXD1 MODE1 10 RXD0 M...

Страница 60: ...XP 31 RXN 30 TXN 28 TXP 29 nINT TXER TXD4 18 LED2 nINTSEL 2 LED1 REGOFF 3 R137 0 1 C140 15pF DNI R136 1 0805 C141 0 022uF 10V R135 10K 1 R145 10K 1 R120 49 9 1 R130 470 5 R132 470 5 P5 WE_7499010211A...

Страница 61: ...C136 470pF 6 3V R124 10 1 DNI R141 1M 1 DNI DGND VDD_PHYA VDD_3V3B DGND DGND DGND DGND DGND DGND DGND SYS_RESETn 3 11 RMII1_REFCLK 4 C133 10uF 10V RCLKIN Figure 39 Ethernet PHY Power Reset and Clocks...

Страница 62: ...ng for the data between the processor and the LAN8710A 6 8 3 LAN8710A Mode Pins There are mode pins on the LAN8710A that sets the operational mode for the PHY when coming out of reset These signals ar...

Страница 63: ...4 x 768 60Hz 640 x 480 60Hz 800 x 600 75Hz 720 x 400 70Hz 800 x 600 72Hz 1280 x 1024 75Hz 720 x 480 60Hz 6 9 2 HDMI Framer The TDA19988 is a High Definition Multimedia Interface HDMI 1 4a transmitter...

Страница 64: ...CD_DATA12 V2 LCD_DATA13 V3 LCD_DATA14 V4 LCD_DATA15 T5 LCD_PCLK V5 LCD_VSYNC U5 LCD_HSYNC R5 LCD_AC_BIAS_EN R6 I2C0_SCL C16 I2C0_SDA C17 GPIO1_25 U16 SPI1_SCLK A13 SPI1_CS0 C12 SPI1_D0 B13 CLKOUT1 A15...

Страница 65: ...re is a HDMI_INT signal that connects from the TDA19988 to the processor This signal can be used to alert the processor in a state change on the HDMI interface 6 9 6 Audio Interface There is an I2S au...

Страница 66: ...OHM800mA 1 2 HDMI_1V8 DGND U11 TDA19988 VDDIOA 1 8V 14 VPP 19 TEST 49 VDDA PLL0 1 8V 47 VDDA0 1 8V 35 VDDA1 TX 1 8V 36 VDDDC0 1 8V 5 VDDDC1 1 8V 29 VDDA2 TX 1 8V 41 VDDA3 TX 1 8V 46 VDDA PLL1 1 8V 48...

Страница 67: ...X0 39 TX1 43 TX1 42 TX2 45 TX2 44 EXT_SWING 34 3 8 1 2 4 5 D7 IP4283CZ10 TT 3 8 1 2 4 5 D6 IP4283CZ10 TT P6 microHDMI DAT2 3 DAT2 5 DAT2_S 4 DAT1 6 DAT1_S 7 DAT1 8 DAT0 9 DAT0_S 10 DAT0 11 CLK 12 CLK...

Страница 68: ...ce on the board is comprised of two 46 pin connectors All signals on the expansion headers are 3 3V unless otherwise indicated NOTE Do not connect 5V logic level signals to these pins or the board wil...

Страница 69: ...h pin There are some signals that have not been listed here Refer to the processor documentation for more information on these pins and detailed descriptions of all of the pins listed In some cases th...

Страница 70: ..._5 gpmc_ad5 mmc1_dat5 gpio1 5 23 U8 GPIO1_4 gpmc_ad4 mmc1_dat4 gpio1 4 24 V7 GPIO1_1 gpmc_ad1 mmc1_dat1 gpio1 1 25 U7 GPIO1_0 gpmc_ad0 mmc1_dat0 gpio1 0 26 V6 GPIO1_29 gpmc_csn0 gpio1 29 27 U5 GPIO2_2...

Страница 71: ...Setting each mode to align with the mode column will give that function on that pin NOTES In the table are the following notations PWR_BUT is a 5V level as pulled up internally by the TPS65217C It is...

Страница 72: ...0 12 21 B17 UART2_TXD spi0_d0 uart2_txd I2C2_SCL ehrpwm0B EMU3_mux1 gpio0 3 22 A17 UART2_RXD spi0_sclk uart2_rxd I2C2_SDA ehrpwm0A EMU2_mux1 gpio0 2 23 V14 GPIO1_17 gpmc_a1 gmii2_rxdv rgmii2_rxdv mmc2...

Страница 73: ...wn in Figure 45 This uses the same power connector as is used on the original BeagleBone The connector has a 2 1mm diameter center post and a 5 5mm diameter outer dimension on the barrel Figure 45 5VD...

Страница 74: ...of the board under the row of four LEDs as shown in Figure 46 It uses a 5 pin miniUSB cable the same as is used on the original BeagleBone The cable is provided with the board The cable can also be u...

Страница 75: ...108 7 4 USB Host There is a single USB Host connector on the board and is shown in Figure 47 below Figure 47 USB Host Connector The port is USB 2 0 HS compatible and can supply up to 500mA of current...

Страница 76: ...Serial Debug Header Two signals are provided TX and RX on this connector The levels on these signals are 3 3V In order to access these signals a FTDI USB to Serial cable is recommended as shown in Fi...

Страница 77: ...s DataSheets Cables DS_TTL 232R_CABLES pdf Pin 1 of the cable is the black wire That must align with the pin 1 on the board which is designated by the white dot on the PCB Refer to the support WIKI ht...

Страница 78: ...e bottom side of the board as shown in Figure 50 below Figure 50 HDMI Connector The connector is microHDMI connector This was done due to the space limitations we had in finding a place to fit the con...

Страница 79: ...Connector When plugging in the SD card the writing on the card should be up Align the card with the connector and push to insert Then release There should be a click and the card will start to eject...

Страница 80: ...Page 80 of 108 7 8 Ethernet The board comes with a single 10 100 Ethernet interface located next to the power jack as shown in Figure 53 Figure 53 Ethernet Connector The PHY supports AutoMDX which me...

Страница 81: ...pes that operate with other capes that are already available based on public information as it pertains to what pins and features each cape uses This information will be able to be read from the EEPRO...

Страница 82: ...IO2_22 lcd_vsync 28 V5 GPIO2_24 lcd_pclk 29 R5 GPIO2_23 lcd_hsync 30 R6 GPIO2_25 lcd_ac_bias_en 31 V4 UART5_CTSN lcd_data14 32 T5 UART5_RTSN lcd_data15 33 V3 UART4_RTSN lcd_data13 34 U4 UART3_RTSN lcd...

Страница 83: ...4 T11 GPIO0_26 mmc1_dat2 15 U13 GPIO1_15 mmc1_dat7 16 V13 GPIO1_14 mmc1_dat6 17 U12 GPIO0_27 mmc1_dat3 19 U10 EHRPWM2A mmc1_dat0 20 V9 GPIO1_31 mmc1_cmd 21 U9 GPIO1_30 mmc1_clk If using these pins sev...

Страница 84: ...e an EEPROM on them An EEPROM is required for all capes sold in order for them operate correctly when plugged into the BeagleBone Black The address of the EEPROM will be set via either jumpers or a di...

Страница 85: ...be used by the user in the design of their capes But these addresses must not be used other than for the board EEPROM information This also allows for the inclusion of EEPROM devices on the cape if n...

Страница 86: ...ed that a write protection function be implemented and a Test Point be added that when grounded will allow the EEPROM to be written to To enable write protect Pin 7 of the EEPROM should be tied to gro...

Страница 87: ...of production YY 2 digit year of production Assembly code to let the manufacturer document the assembly number or product A way to quickly tell from reading the serial number what the board is Up to...

Страница 88: ...and all 16 bit fields are to be stored in Big Endian format Bit 15 PIN USAGE is an indicator and should be a 1 if the pin is used or 0 if it is unused Bits 14 7 RESERVED is not to be used and left as...

Страница 89: ...35 UART4_CTSN 100 P8 33 UART4_RTSN 102 P8 31 UART5_CTSN 104 P8 32 UART5_RTSN 106 P9 19 I2C2_SCL 108 P9 20 I2C2_SDA 110 P9 26 UART1_RXD 112 P9 24 UART1_TXD 114 P9 41 CLKOUT2 116 P8 19 EHRPWM2A 118 P8 1...

Страница 90: ...P8 20 GPIO1_31 168 P8 18 GPIO2_1 170 P8 7 TIMER4 172 P8 9 TIMER5 174 P8 10 TIMER6 176 P8 8 TIMER7 178 P8 45 GPIO2_6 180 P8 46 GPIO2_7 182 P8 43 GPIO2_8 184 P8 44 GPIO2_9 186 P8 41 GPIO2_10 188 P8 42...

Страница 91: ...age 91 of 108 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Off set Conn Name Pin Usage Type Reserved S L E W R X P U P D P U D E N Mux Mode 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 222 P8 39 AIN0 224 P8 40 AIN1 226 P8...

Страница 92: ...OT10 SYS_BOOT9 SYS_BOOT8 SYS_BOOT15 SYS_BOOT14 SYS_BOOT13 SYS_BOOT12 SYS_BOOT11 R93 100K 1 DNI SYS_BOOT4 Boot Configuration SYS_BOOT2 SYS_BOOT1 SYS_BOOT0 SYS_BOOT7 SYS_BOOT6 SYS_BOOT5 SYS_BOOT3 R94 10...

Страница 93: ...sion headers Single no board stacking but can be used on the top of the stack Stacking up to four boards can be stacked on top of each other Stacking with signal stealing up to three boards can be sta...

Страница 94: ...moving those pins that are not used by your particular design The first item in Table 16 is on the edge and may not be the best solution Overhang is the amount of the pin that goes past the contact po...

Страница 95: ...st solution Overhang is the amount of the pin that goes past the contact point of the connector on the BeagleBone Black The third part listed in Table 17 will have insertion force issues Table 17 Stac...

Страница 96: ...remove There is no rule that says that if longer pins are used that the connector pins have to extend all the way into the mating connector on the BeagleBone Black but this is controlled by the user a...

Страница 97: ...on 7 1 of this document the functions of the pins are defined as well as the pin muxing options Refer to this section for more information on what each pin is To simplify things if you use the default...

Страница 98: ...C external supplies 8 6 2 Expansion Board External Power A cape can have a jack or terminals to bring in whatever voltages may be needed by that board Care should be taken not to let this voltage feed...

Страница 99: ...o the Altoids style tin It is not required that the cape be exactly like the BeagleBone Black board in this respect 8 7 2 Extended Cape Size Capes larger than the standard board size are also allowed...

Страница 100: ...capes especially when you consider up to four can be mounted with all sorts of interface connectors it is difficult to define a standard enclosure that will handle all capes already made and those ye...

Страница 101: ...ack System Reference Manual Rev A5 2 Page 101 of 108 9 0 BeagleBone Black Mechanical 9 1 Dimensions and Weight Size 3 5 x 2 15 86 36mm x 53 34mm Max height 187 4 76mm PCB Layers 6 PCB thickness 062 Ro...

Страница 102: ...REF BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 102 of 108 9 2 Silkscreen and Component Locations Figure 64 Board Dimensions...

Страница 103: ...REF BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 103 of 108 Figure 65 Component Side Silkscreen...

Страница 104: ...REF BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 104 of 108 Figure 66 Component Side Silkscreen...

Страница 105: ...REF BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 105 of 108 10 0 Pictures Figure 67 Top Side...

Страница 106: ...REF BBONEBLK_SRM BeagleBone Black System Reference Manual Rev A5 2 Page 106 of 108 Figure 68 Bottom Side...

Страница 107: ...e USB cable Provided there is Schematic in PDF Schematic in OrCAD Cadence Design Entry CIS 16 3 PCB Gerber PCB Layout File Allegro Bill of Material System Reference Manual This document You can also d...

Страница 108: ...age 108 of 108 11 3 RMA Support If you feel your board is defective or has issues request an RMA by filling out the form at http beagleboard org support rma You will need the serial number and revisio...

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