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REF: BBONEBLK_SRM

BeagleBone Black System

Reference Manual

Rev A5.2

Page 51 of 108

Input buffers (excluding CK, CK#, CKE, RESET#, and ODT) are disabled during power-
down. Input buffers (excluding CKE and RESET#) are disabled during SELF REFRESH.
CKE is referenced to V

REFCA

.

DDR_CKE

3

DDR_CLKn

3

DDR_CLK

3

DDR_WEn

3

DDR_CASn

3

DDR_RASn

3

DDR_CSn

3

DDR_RESETn

3

C124

0.1uf ,6.3V

DDR_DQM0

3

DDR_DQM1

3

4Gb(512MB) DDR3L

DDR_A15

R97

1.5K,1%

R96

10K,1%

R100

10K,1%

R99

240E

R98

10K,1%

C123

0.001uf ,50V

DDR_ODT

U12

MT41K256M16HA -125:E

CK

J7

CKn

K7

CKE

K9

CSn

L2

RASn

J3

CASn

K3

WEn

L3

A0

N3

A1

P7

A2

P3

A3

N2

A4

P8

A5

P2

A6

R8

A7

R2

A8

T8

A9

R3

A10

L7

A11

R7

A12

N7

A13

T3

A14

T7

BA0

M2

BA1

N8

BA2

M3

DQ0

E3

DQ1

F7

DQ2

F2

DQ3

F8

DQ4

H3

DQ5

H8

DQ6

G2

DQ7

H7

ODT

K1

VSS1

A9

VSS2

B3

VSS3

E1

VSS4

G8

VSSQ4

D8

VSSQ3

D1

VSSQ2

B9

VSSQ1

B1

VSSQ5

E2

VDDQ1

A1

VDDQ2

A8

VDDQ3

C1

VDDQ4

C9

VDDQ5

D2

VDD1

B2

VDD2

G7

UDQSn

B7

UDM

D3

LDM

E7

LDQSn

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

K2

VDD5

K8

NC3

L1

ZQ

L8

NC4

L9

VSS7

M1

A15

M7

VREF_CA

M8

VSS8

M9

VDD6

N1

VDD7

N9

VSS9

P1

VSS10

P9

VDD8

R1

VDD3

R9

VSS11

T1

RESET#

T2

VSS12

T9

DQ9

C3

VDDS_DDR

DGND

DGND

DGND

DDR_D10

DDR_D11

VDDS_DDR

DDR_D8

DDR_D15

DDR_D13

DDR_D14

DDR_D9

VDDS_DDR

DGND

DDR_D12

DGND

DDR_ODT

3

VDDS_DDR

DDR_DQS0

3

DDR_DQSN0

3

DDR_D1

DDR_D2

DDR_D3

DDR_DQSN1

3

DDR_DQS1

3

DDR_D4

DDR_D0

DDR_D7

DDR_D5

DDR_D6

DDR_A1

DDR_A3

DDR_A[15..0]

3

DDR_BA[2..0]

3

DDR_A6

DDR_A2

DDR_A8

DDR_A9

DDR_A4

DDR_A0

DDR_D[15..0]

3

DDR_A7

DDR_A13

DDR_A14

DDR_A10

DDR_A5

DDR_BA1

DDR_BA2

DDR_BA0

DDR_A11

DDR_A12

DDR_A[15..0]

ZQ

DDR_BA[2..0]

DDR_VREF

Figure 30.

DDR3L Memory Design

Chip Select Line:

CS# enables (registered LOW) and disables (registered HIGH) the

command decoder. All commands are masked when CS# is registered HIGH. CS#
provides for external rank selection on systems with multiple ranks. CS# is considered
part of the command code. CS# is referenced to V

REFCA

.

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Summary of Contents for BBONEBLK_SRM

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

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

Page 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...

Page 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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