pandaboard OMAP 4 Series, System Reference Manual

Page 1: ...OMAPTM 4 PandaBoard System Reference Manual Downloaded from Arrow com ...

Page 2: ... OTHER PARTIES PROVIDE THE DESIGN MATERIALS AS IS WITHOUT WARRANTY OF ANY KIND 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 MATERIALS IS WITH YOU SHOULD THE DESIGN MATERIALS PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REPAIR O...

Page 3: ...ruction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES PandaBoard org currently deals with a variety of customers for products and therefore our arrangement wi...

Page 4: ...sure to water excessive voltages abuse or accidents All boards will be returned via standard mail if an issue is found If no issue is found or express return is needed the customer will pay all shipping costs Before returning the board please visit http pandaboard org content resources troubleshooting To return a defective board please request an RMA at http pandaboard org content return merchandi...

Page 5: ... on the OMAP4430 PandaBoard Related Documentation à OMAP4430 Technical Reference Manual à PandaBoard Schematic 750 2152 001 SCH Early Adopter Board à PandaBoard Gerber Files 720 2152 001 Early Adopter Board à PandaBoard Bill of Materials 750 2152 001 EBOM Early Adopter Board à PandaBoard Schematic 750 2152 002 SCH Production Board à PandaBoard Gerber Files 720 2152 002 Production Board à PandaBoar...

Page 6: ...te 0 1 Preliminary Release 24 Aug 2010 0 2 Re release after initial feedback 2 Sept 2010 0 3 Document Board ID bits 8 Sept 2010 0 4 Add information for schematics PCB information 22 Sept 2010 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 7: ...2 6 SYSBOOT Configuration 21 2 7 Miscellaneous Power Circuitry 24 2 7 1 Input Power Circuitry 24 2 7 2 USB Ethernet Power Circuitry 26 2 8 Standard Volatile Memory 26 2 9 Debug UART Interface 26 2 10 SD MMC Connector 27 2 11 HDMI Interface 28 2 12 Display Interface 30 2 12 1 Parallel Display DVI D connector 30 2 12 2 Parallel Display Expansion Connector Interface 32 2 13 Bluetooth WLAN Interfaces ...

Page 8: ...nent Datasheet URLs 60 3 4 1 Connector Datasheets 60 3 4 2 Key Electronic Component Datasheets 61 4 Test Debug Information 62 4 1 PandaBoard Clock Signal Access 62 4 1 1 H_FREF_ALTCLK_IN_OMAP Probe Point 62 4 1 2 USBB1_PHY_REFCLK Probe Point 63 4 1 3 CLK32K_AUD Probe Point 63 4 2 PandaBoard Power Rail Signal Access 64 4 2 1 TWL6030 SMPS Output Probe Points 64 4 2 2 VCXIO LDO Output Probe Point 65 ...

Page 9: ...Interface Block Diagram 37 Figure 14 Panda Audio Interface Block Diagram 39 Figure 15 Panda USBOTG Interface Block Diagram 40 Figure 16 Panda USBB1 Interface Block Diagram 41 Figure 17 Expansion Connector PCB Placement Orientation 42 Figure 18 Composite Video Connectivity 46 Figure 19 Composite Video Connector J12 PCB Orientation 46 Figure 20 14 pin JTAG Connector J8 47 Figure 21 PandaBoard LED Lo...

Page 10: ...sion Connector B Pin Definitions J6 44 Table 12 Camera Expansion Connector Pin Definitions J17 45 Table 13 JTAG Connector Pinout J8 48 Table 14 OMAP I2 C1 Device Addresses 50 Table 15 OMAP I2 C2 Device Addresses 50 Table 16 OMAP I2 C3 Device Addresses 51 Table 17 OMAP I2 C4 Device Addresses 51 Table 18 Board ID Read Values 52 Table 19 PandaBoard OMAP4430 Pin Multiplexing 56 Table 20 Camera Expansi...

Page 11: ... This includes system setup and debugging This document provides detailed information on the overall design and usage of the PandaBoard from the System perspective Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 12: ... one overvoltage indicator HS USB 2 0 OTG Port Mini AB USB connector sourced from OMAP USB Transceiver HS USB Host Port Four USB HS Ports up to 500mA current out on each two to onboard connectors two to expansion connectors Audio Connectors 3 5mm L R out 3 5mm Stereo In SD MMC Connector 6 in 1 SD MMC SDIO 4 8 bit support Dual voltage User Interface 1 User defined button Reset Button DVI D or HDMI ...

Page 13: ...le null modem à HDMI A Male to DVI D Cable à DC wall supply 5Vdc an example of an acceptable supply is Digikey P N T951 P5P ND Information for this part may be found at http search digikey com scripts DkSearch dksus dll lang en site US WT z_homepa ge_link hp_go_button KeyWords T951 P5P ND Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downlo...

Page 14: ...e used for additional functionality and or expansion purposes These connectors are not populated on the platform but can be installed by the user They are indicated by the blue blocks in Figure 1 and include à Camera Connector J17 à LCD Expansion Connectors J1 and J4 à Generic Expansion Connectors J3 and J6 à Composite Video Header J12 See Figure 2 on page 16 for a top side view of the Panda Platf...

Page 15: ...J6 2 DVI D Connector P1 LS Research WL1271 Module WLAN BT FM RS 232 Female 9 pin D Sub P4 DC Input Connector P3 Input Power Conditioning Circuitry CLK32KAO CLK32KAUDIO CLK32KAUDIO CLK32KG CLK32KG Composite Video Header J12 Figure 1 OMAP4430 PandaBoard Architectural Block Diagram Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from ...

Page 16: ...Top View Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 17: ...ating systems OSs such as Windows CE WinMobile Symbian OS Linux Palm OS The device is composed of the following subsystems Cortex A9 microprocessor unit MPU subsystem including two ARM Cortex A9 cores Digital signal processor DSP subsystem Image and video accelerator high definition IVA HD subsystem Cortex M3 MPU subsystem including two ARM Cortex M3 microprocessors Display subsystem Audio back en...

Page 18: ...put control 1 for LDOs pre regulation V2V1 and Phoenix Audio features 1 for memory supply VMEM 1 for external modem RF transceiver or I Os V1V29 à 3 general purpose enables for possible platform upgrades REGEN1 REGEN2 SYSEN 2 4 1 TWL6030 Core SMPS Outputs The TWL6030 implements three Switch Mode Power Supplies SMPS that source the three main core voltage rails for the OMAP4430 processor The defaul...

Page 19: ... balls are feed throughs to the top POP footprint on the OMAP package where they directly connect to the LPDDR2 VDD2 balls This SMPS is a 600mA max capacity rail The Micron LPDDR2 device used is an S4B type device so VDD2 is required to be 1 2V This is set in the TWL6030 companion chip by connecting the BOOT1 input to VRTC which causes V1V29 to be set to a default of 1 225V 2 4 6 TWL6030 LDO Power...

Page 20: ...bled for normal PandaBoard operation 2 4 7 TWL6030 Clock Circuitry The TWL6030 has an 32 768 KHz crystal connected across its OSC32KIN and OSC32KOUT balls This crystal is used by the TWL6030 to generate three output 32 768 KHz 1 8V square wave clock outputs These outputs are CLK32KAO always on clock connected to the SYS32K input of the OMAP4430 processor CLK32KAUDIO clock connected to the CLK32K i...

Page 21: ...figuration of the PandaBoard If it is desired to change the SYSBOOT configuration resistors may be added or removed from the SYSBOOT 5 0 lines The SYSBOOT 5 0 lines have weak internal pull down resistors so removing the resistor will result in the line being sampled as a 0 at reset and installing a 3 3K or lower value resistor will result in the line being sampled as a 1 at reset See Figure 3 on p...

Page 22: ...LPI UART MMC2 2 011001 USB UART MMC1 NAND 011010 UART MMC2 2 011011 USB UART MMC1 011100 USB MMC2 2 011101 Reserved 011110 Reserved 011111 1 Fast XIP booting Wait monitoring off USB UART 1 Only on GP devices Table 2 SYSBOOT 5 0 Definitions Peripheral Preferred Booting Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 23: ...UART 111001 NAND USB UART MMC1 111010 MMC2 2 UART 111011 MMC1 USB UART 111100 MMC2 2 USB 111101 Reserved 111110 Reserved 111111 1 Fast XIP booting Wait monitoring off USB UART 1 Only on GP devices Table 3 SYSBOOT 5 0 Definitions Memory Preferred Booting Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from ...

Page 24: ...nd other operations could be limited depending on current requirements The path of current flow in this mode is designated below by the red arrow The 5V from VBUS will be routed through the switch at U22 to the LDO at U23 which provides a 4 2V battery voltage for the TWL6030 and TWL6040 Companion ICs Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Page 25: ...e manufactured by CUI Incorporated P N ETS050400UTC P5P SZ A datasheet for this supply may be found at http products cui com getPDF aspx filename 20 W desktop pdf This supply has a 5 5mm outside jack diameter and a 2 1mm inside diameter It is currently in stock and may be ordered from Digikey Digikey P N T951 P5P ND CAUTION only use a 5Vdc regulated power supply to power the PandaBoard Connecting ...

Page 26: ...of the OMAP4430 die The base address for the LPDDR2 is 0x8000 0000 An 8Gb 1GB POP LPDDR2 DRAM device Elpida P N EDB8064B1PB 8D F is provided on the PandaBoard The memory device has four dies with each die being a separate 2Gb LPDDR2 2 9 Debug UART Interface A single RS 232 port is provided on the PandaBoard via 9 pin D sub female connector at location P4 It provides access to the UART3 interface o...

Page 27: ...y is supported via the TWL6030 power companion IC See Figure 6 for a block diagram of the interface signaling to the card cage The resistors shown in Figure 6 below are 33 ohm series termination resistors Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fr...

Page 28: ...ed straight from OMAP to the ESD protection device to the connector so that any ESD event experienced at the connector will be absorbed before damaging the OMAP4430 device I Os Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Page 29: ...e direction column in this table indicates whether this device is an output from OMAP O or an input to OMAP I Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Page 30: ...isplay Interface Block Diagram 2 12 1 Parallel Display DVI D connector As mentioned previously the as shipped parallel display interface configuration for the PandaBoard is with the parallel display interface signals from OMAP driven to a TFP410 DVI transmitter whose output feeds an onboard DVI D connector See Figure 9 for a block diagram of this interface Downloaded from Arrow com Downloaded from...

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Page 32: ...ese 28 resistors comprise the RMUXA block shown in Figure 9 2 Add 0201 33 ohm resistors on the back side of the board as highlighted in red in Figure 12 on page 36 in the following locations R176 R203 These 28 resistors comprise the RMUXB block shown in Figure 10 Note if 33 ohm resistors are not available then zero ohm resistors may be used or you may simply solder across the individual resistor p...

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Page 34: ... Data bit 20 4 DVI_DATA21 I LCD Pixel Data bit 21 5 DVI_DATA17 I LCD Pixel Data bit 17 6 DVI_DATA18 I LCD Pixel Data bit 18 7 DVI_DATA15 I LCD Pixel Data bit 15 8 DVI_DATA16 I LCD Pixel Data bit 16 9 DVI_DATA7 I LCD Pixel Data bit 7 10 DVI_DATA13 I LCD Pixel Data bit 13 11 DVI_DATA8 I LCD Pixel Data bit 8 12 NUSB_PWR O No connect 13 DVI_DATA9 I LCD Pixel Data bit 9 14 I2C2_SCL I I2C2 Serial Clock ...

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Page 36: ...e module and their function The OMAP4430 interfaces are connected to the LS Research WiLinkTM module as follows SDMMC5 WLAN SDIO interface Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 37: ...GPIO_49 O GPIO_48 O FM_EN I R62 R61 FM_ANA_R_OUT O FM_ANA_L_IN I FM_ANA_R_IN I FM_ANA_L_OUT O AUXLP O AUXRP O AFML I AFMR I R18 R20 ANT I Antenna Connector Chip Antenna 2 4 GHz FMRFIN I FMRFOUT O To Headset To 2 pin header J7 Figure 13 PandaBoard WLAN Bluetooth Interface Block Diagram Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Page 38: ... right Hands Free speaker outputs of the TWL6040 are connected to the Expansion Connector J6 see Paragraph 2 16 on page 42 for further details The PandaBoard also provisions an FM analog input and output path from the TWL6040 Audio Companion IC to the LS240 WI 01 A20 module In addition there is a digital PCM path for Bluetooth audio from the module to OMAP4430 via McBSP1 and the digital FM I2S pat...

Page 39: ...terfaces will be discussed in more detail in the following paragraphs 2 15 1 USBOTG Interface The PandaBoard uses the USB OTG transceiver within the OMAP4430 that is connected to an industry standard mini AB connector J18 as shown in Figure 15 The VBUS from the connector is connected to the TWL6030 companion Power IC which can provide up to 100mA in host mode The PandaBoard may only be used in hos...

Page 40: ...programmed for a clock frequency of 19 2 MHz for proper operation Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...

Page 41: ...nable Hub LDO 0 Power Down Hub LDO GPIO_62 O HUB_NRESET HUB_NRESET_3V3 USB Ethernet Hub Reset 0 Hub Phy held in reset 1 Normal operation GPIO_WK31 O USBB1_PHY_REFCLK This pin needs to be used as FREF_CLK3_OUT and programmed to output 19 2 MHz Table 9 USB Host Port Ethernet GPIO Definitions Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 42: ...OMAP4430 pin multiplexing Some of the OMAP I Os have more than two possible functions see Table 21 on page 58 for a complete list of the functions available Figure 17 Expansion Connector PCB Placement Orientation Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 43: ...22 D19 GPMC_AD15 GPIO_39 GPMC Address Data Bit 15 23 AH22 I2C4_SDA GPIO_133 I2C4 Serial Data 24 AG21 I2C4_SCL GPIO_132 I2C4 Serial Clock 25 REGEN1 TWL6030 REGEN1 26 E7 SYS_NRESPWRON Power On Reset 27 DGND Digital Ground 28 DGND Digital Ground Table 10 Expansion Connector A Pin Definitions J3 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 44: ...Connector J17 The PandaBoard does not provide an onboard camera sensor but does provision for a 30 pin camera connector This camera connector receives the five CSI 2 lanes of the OMAP4430 CSI21 camera interface as well as GPIOs for use on a plug in camera module See Table 12 below for the pinout of the camera expansion connector NOTE the GPIOs listed below don t have specific functions defined yet...

Page 45: ...daBoard provides the possibility of user access to the composite video output of OMAP It is connected to two pin header at J12 however this connector is not installed on the current PCBs See Figure 18 for a diagram of the composite video connectivity and see Figure 19 for the orientation of the signals on the two pin header at J12 Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

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Page 48: ...supply of more than 5V is plugged into the PandaBoard the U20 output reset will be negated which will turn on the red LED at D3 and disable load switches U15 and U17 on sheet 2 of the schematic which will remove 5V power to the remainder of the PandaBoard circuitry This is intended to prevent damage to onboard circuitry Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

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Page 50: ... OMAP I2 C2 Device Function I2C Address Display Expansion Connector External LCD Control e g touchscreen TBD Table 15 OMAP I2 C2 Device Addresses Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

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Page 52: ...e not included here as well as any GPIOs that go to the onboard connectors GPIOs that are connected to the Camera Expansion connector at J17 are listed in Table 20 on page 57 while the signals connected to the Generic Expansion connectors at J3 and J6 may be found in Table 21 on page 58 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

Page 53: ...nnel Serial Clock 66 B8 0 HDMI_DDC_SDA Display Data Channel Serial Data 84 AE18 4 ULPIPHY_CLK USBB1 ULPI Clock Hub 85 AG19 4 ULPIPHY_STP USBB1 ULPI Stop Hub 86 AF19 4 ULPIPHY_DIR USBB1 ULPI Direction Hub 87 AE19 4 ULPIPHY_NXT USBB1 ULPI Next Hub 88 AF18 4 ULPIPHY_DAT0 USBB1 ULPI Data Bit 0 Hub 89 AG18 4 ULPIPHY_DAT1 USBB1 ULPI Data Bit 1 Hub 90 AE17 4 ULPIPHY_DAT2 USBB1 ULPI Data Bit 2 Hub Downloa...

Page 54: ...rol Interface Clear to Send 125 AA25 0 UART2_RX Bluetooth Host Control Interface Transmit Data 126 AA26 0 UART2_TX Bluetooth Host Control Interface Receive Data 127 AA27 3 GPIO_127 TWL6040 Audio Power On 128 C26 0 I2C2_SCL I2C2 Serial Clock 129 D26 0 I2C2_SDA I2C2 Serial Data 130 W27 0 I2C3_SCL I2C3 Serial Clock 131 Y27 0 I2C3_SDA I2C3 Serial Data 132 AG21 0 I2C4_SCL I2C4 Serial Clock 133 AH22 0 I...

Page 55: ...28 0 SYS_BOOT4 SYSBOOT Input 4 189 D27 0 SYS_BOOT5 SYSBOOT Input 5 190 AB4 5 DISPC2_DATA1 Parallel Display Data Bit 1 191 AC4 5 DISPC2_DATA0 Parallel Display Data Bit 0 WK5 AG8 0 FREF_SLICER_IN 38 4MHz Clock Input WK6 AD2 2 GPIO_WK6 MSECURE output to TWL6030 RTC related WK7 AC2 3 GPIO_WK7 LED D1 On Off Control WK8 AC3 3 GPIO_WK8 LED D2 On Off Control WK9 AF8 0 SYS_BOOT6 SYSBOOT Input 6 Downloaded ...

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Page 57: ...s at J3 and J6 GPIOs with multiple mux modes listed have multiple functions that can be supported depending on the requirements of the particular expansion board being utilized Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Page 58: ...A16 0 1 GPMC_AD6 SDMMC2_DAT6 None B16 0 1 GPMC_AD7 SDMMC2_DAT0 None B11 0 1 GPMC_NOE SDMMC2_CLK None B12 0 1 GPMC_NWE SDMMC2_CMD Table 21 Expansion Connector J3 J6 Pin Multiplexing Options Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

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Page 83: ... OR CORRECTION We mean it these design materials may be totally unsuitable for any purposes Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...