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iMX RT1062 OEM Developer’s Kit - User’s Guide

Page 25

4.8

SP7: USB Interfaces

The

iMX OEM Carrier board

has two USB interfaces, one USB Host and one USB OTG:



The USB Host interface has a USB-A connector, J13. By default this interface has VBUS

power enable always on. LED8 indicates the presence of +5V VBUS for the interface. This
USB interface is connected to i.MX RT1062 USB interface #2.



The USB OTG interface has a micro-AB connector, J12. By default this interface has VBUS

control via the ID-pin. This USB interface is connected to i.MX RT1062 USB interface #1.

If no cable is inserted or when a cable with ID pin floating is inserted, VBUS will not
be powered on the J12 connector.

If a cable with the ID pin grounded is inserted VBUS will be turned on, i.e., powered

with 5V. This is the typical situation when connecting a mini-AB to USB-A USB

cable, i.e., when wanting the USB OTG interface to behave like a USB Host that can

possible also power an external device via VBUS.

See picture below for locating relevant components..

Figure 20 – Location of USB Interfaces

USB-A Connector

J13

USB micro-AB Connector

J12

USB Host VBUS LED

LED8

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Summary of Contents for iMX RT1062

Page 1: ...1062 Developer s Kit User s Guide Copyright 2019 Embedded Artists AB iMX RT1062 Developer s Kit User s Guide Get Up and Running Quickly and Start Developing Your Application On Day 1 Downloaded from Arrow com ...

Page 2: ... AB Disclaimer Embedded Artists AB makes no representation or warranties with respect to the contents hereof and specifically disclaim any implied warranties or merchantability or fitness for any particular purpose Information in this publication is subject to change without notice and does not represent a commitment on the part of Embedded Artists AB Feedback We appreciate any feedback you may ha...

Page 3: ...rrent Measurement 18 4 4 SP2c VBAT Powering 19 4 5 SP3 SP4 OEM Board Connector SODIMM and Access Pads 20 4 6 SP5 Push buttons and LEDs 21 4 7 SP6 Debug Interfaces 23 4 8 SP7 USB Interfaces 25 4 9 SP8 CAN 26 4 10 SP9 SDIO Bus and SD Memory Card Interface 27 4 11 SP10 LCD Interface 28 4 12 SP11 Ethernet Interface 28 4 13 SP12 UART to USB Bridge 29 4 14 SP13 Audio Codec 30 4 15 SP14 SP17 M 2 Power Su...

Page 4: ...37 4 18 3 Do not use DQS pin SEMC_DQS 37 5 Troubleshooting 38 5 1 No SWD JTAG Connection 38 5 2 Powering 38 5 3 Contact with OEM Board MCU 38 5 4 Using the Demo Application to Verify Correct Operation 38 6 Disclaimers 39 6 1 Definition of Document Status 40 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 5: ...evision Date Description PB1 2019 02 07 First released version PB2 2019 12 02 Added information about Ethernet reset and interrupt signals connected to JTAG_TDI and JTAG_TDO respectively Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 6: ...ins information about further reading Chapter 3 describes the demo application that can also be used to verify correct operation of the hardware Chapter 4 presents the hardware design of the iMX OEM Carrier Board rev B1 Chapter 5 contains some troubleshooting information To get started with program development and program download flashing see document iMX RT1062 Developer s Kit Program Developmen...

Page 7: ...ile the board power up will place the i MX RT1062 is ISP mode typically used for programming the iMX RT1062 OEM board flash memory 6 Alternative power supply input this is an alternative power supply input 5V 1A DC via a 2 1mm power jack The center position is the positive terminal Figure 10 in chapter 4 gives a slightly more detailed presentation of all interfaces and connectors on the board Figu...

Page 8: ... www ftdichip com Drivers VCP htm http www ftdichip com Support Documents InstallGuides htm When the driver has been installed a new COM port will listed under Ports in the Device Manager as shown in Figure 3 Please note that the actual port number will most likely be different on your computer Figure 3 Virtual COM port shown in device manager The next step is to open a terminal application and at...

Page 9: ...ing the USB cable is connected to the iMX OEM Carrier Board there should be a COM port automatically populated in the list Figure 4 Tera Term New Connection Window Configure the serial port settings using the COM port number identified earlier to 115200 baud rate 8 data bits no parity and 1 stop bit To do this go to Setup Serial Port and change the settings Figure 5 Tera Term Serial Port Setup Ver...

Page 10: ...ownload you selected In the window that launches select the Serial radio button and enter the COM port number that you determined earlier Also enter the baud rate in this case 115200 Figure 7 PuTTY New Session Configuration Click Open to open the serial connection Assuming the FTDI cable is connected and you entered the correct COM port the terminal window will open If the configuration is not cor...

Page 11: ...ering via J1 or USB powering via J22 See Figure 8 below where to locate J29 Figure 8 Location of Powering Selector J29 2 5 ESD Precaution Please note that the iMX RT1062 OEM Board and iMX OEM Carrier Board come without any case box and all components are exposed for finger touches and therefore extra attention must be paid to ESD electrostatic discharge precaution Make it a habit always to first t...

Page 12: ... board edges fully into the socket 2 Then push the board down in a rotating move 3 until it snaps into place 4 The OEM Board shall lie flat and parallel to the base board To remove the OEM Board spread the two arms of the SO DIMM socket apart slightly The board will pop up 5 Gently rise the board in a rotating move 6 and then extract the board from the socket 7 Apply even force between board edges...

Page 13: ...elopers Kit Due to the nature of the iMX RT1062 Developers Kit an evaluation board not for integration into an end product fast transient immunity tests and conducted radio frequency immunity tests have not been executed Externally connected cables are assumed to be less than 3 meters The general expansion connectors where internal signals are made available do not have any other ESD protection th...

Page 14: ... The IP address is hard coded to 192 168 6 231 Received ping requests from a pc are printed on the console After 5 received pings it stops writing received pings USB Host via the USB Host connector J13 It is possible to insert a Mass storage Device MSC i e USB memory stock that is detected USB Device via the USB OTG connector J12 When connected to a Windows PC the USB interface behaves like a mous...

Page 15: ...signed to be flexible Most options can be controlled via jumpers but some options might need soldering Note that modifications to the board are done at own risk and void all warranties OEM Board Connector SD Interface Audio Interface Ethernet Interface USB Host Interface USB OTG Interface UART to USB Interface Wakeup push button Reset push button Power Supply Input Expansion Connectors CAN Interfa...

Page 16: ...r supply can be used in this case It is possible to have both the USB cable and external powering connected to the board at the same time but only one of them will be used at any time Powering selector J29 selects either of the two powering sources See Figure 12 below where to locate J29 The picture below is principal schematic of the powering structure of the iMX OEM Carrier board Figure 11 Princ...

Page 17: ... J1 Right 2 3 Power via USB J22 default Power Supply Input J1 2 1mm ID 5 5mm OD jack Center positive Input Power Enable J21 default inserted DCDC enable ctrl JP1 default inserted Peripheral Voltage Control J5 Upper 1 2 Peripheral voltage controlled by PERI_PWREN Lower 2 3 Peripheral voltage always on Peripheral 3 3V supply LED3 Input voltage status LED2 Input voltage ok LED1 Over voltage Secondary...

Page 18: ...tc For better discrimination and resolution of current measurement it is possible to measure currents on the iMX RT1062 OEM board also The following detailed measurements of currents on the iMX RT1062 OEM board can be done J1 allows measuring the 3 3V supply to DCDC_IN by measuring the voltage drop over a 20 milliohm resistor J2 allows measuring the VDD_SOC_IN core current by measuring the voltage...

Page 19: ...sure current over a 1kohm resistor VBAT Input J2 GND top VBAT bottom J1 DCDC_IN current over 20 milliohm J2 VDD_SOC_ON current over 20 milliohm J3 VDD_HIGH_IN current over 20 milliohm J4 VDD_SNVS_IN current over 1ohm J5 VDD_ADC_3P3 current over 20 milliohm J6 1 8V EcoXiP current over 20 milliohm Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 20: ...P147 TP153 TP149 TP151 TP37 TP49 TP39 TP47 TP41 TP121 TP43 TP45 TP65 TP79 TP69 TP77 TP71 TP92 TP73 TP75 TP97 TP109 TP99 TP107 TP101 TP157 TP103 TP105 TP127 TP141 TP129 TP139 TP131 TP137 TP133 TP135 TP161 TP175 TP163 TP173 TP165 TP171 TP167 TP169 TP93 TP22 TP26 TP20 TP24 TP16 TP28 TP14 TP30 TP36 TP40 TP38 TP42 TP33 TP44 TP32 TP46 TP70 TP74 TP72 TP76 TP66 TP78 TP64 TP80 TP106 TP108 TP104 TP110 TP102...

Page 21: ...the access pads described in section 4 5 can be used to control the LEDs Wakeup push button SW4 Reset push button SW3 ON OFF push button SW2 ISP Enable push button SW1 Reset LED LED5 Reset button Ctrl Selector JP8 1 2 pos lower Reset button SW3 controls RESET_IN default 2 3 pos upper Reset button SW3 controls POR_B User LEDs J8 left position LED7 J8 right position LED6 Downloaded from Arrow com Do...

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Page 23: ...ef voltage and if that voltage is zero then the debug adapter must not drive any output signal Vcc Vref is pin 1 on both J10 and J11 Make sure the debug probe does not have a fixed output voltage but rather follow Vcc Vref If using LPC Link2 as debug interface make sure there is NO jumper inserted in JP2 on the LPC Link2 Debug Connectors J10 Note pos 1 in lower left corner Debug Connectors J11 Deb...

Page 24: ... configured as SWO ALT2 Sw Input On Field Input Path is determined by functionality IOMUXC_SetPinMux IOMUXC_GPIO_B0_13_SWO 0U GPIO_B0_13 PAD functional properties Slew Rate Field Fast Slew Rate Drive Strength Field R0 6 Speed Field max 200MHz Open Drain Enable Field Open Drain Disabled Pull Keep Enable Field Pull Keeper Enabled Pull Keep Select Field Keeper Pull Up Down Config Field 100K Ohm Pull ...

Page 25: ...his is the typical situation when connecting a mini AB to USB A USB cable i e when wanting the USB OTG interface to behave like a USB Host that can possible also power an external device via VBUS See picture below for locating relevant components Figure 20 Location of USB Interfaces USB A Connector J13 USB micro AB Connector J12 USB Host VBUS LED LED8 Downloaded from Arrow com Downloaded from Arro...

Page 26: ...rl JP2 Isolation jumpers J4 DSUB9M CAN Connector J39 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 Downloade...

Page 27: ... voltage is controlled by GPIO_B1_14 high 1 8V and low 3 3V but is forced to 1 8V if an M 2 Module is inserted in J38 J16 pos 2 3 shorted SDIO bus interface I O voltage is forced to 1 8V J16 open SDIO bus interface I O voltage is forced to 3 3V Figure 22 SD Memory Card Interface SD Connector J15 Power LED LED9 SD_VSEL Ctrl J16 1 2 lower pos Controlled by GPIO_B1_14 but forced to 1 8V VDDIO for SDI...

Page 28: ...interface of the i MX RT1062 is configured to 16 bit color depth 5 bits for red 6 bits for green and 5 bits for blue Communication with the capacitive touch panel controller is done via I2C and two GPIOs one for reset and one for interrupt There is a backlight current generator that is set to 40mA It can optionally be controlled with a PWM signal to dim the backlight 4 12 SP11 Ethernet Interface T...

Page 29: ...RT to USB Bridge USB micro B Connector J22 Transmit LED LED11 Receive LED LED10 UART channel jumpers JP3 Left position is receive to the i MX RT Right position is transmit from the i MX RT 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...

Page 30: ...Audio Jack Connectors J23 Headphone Type Selector JP7 Vertical mounting Sleeve is ground Horizontal mounting Sleeve is microphone input Illustration of horizontal mounting 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...

Page 31: ...SD_VSEL Ctrl J16 1 2 lower pos Controlled by GPIO_B1_14 but forced to 1 8V VDDIO for SDIO when M 2 module inserted default 2 3 upper pos Forced 1 8V VDDIO for SDIO Open Forced 3 3V VDDIO for SDIO SDIO Bus Isolation Resistors R86 R91 on bottom side VBAT Current Measurement J30 Lower 1 2 pos No series resistor default Upper 2 3 pos 100milliohm series resistor added M 2 LEDs LED18 LED17 Control signa...

Page 32: ...eed for voltage translators It is possible to remove all connections of the control and UART signals to from the M 2 connector by removing the default bridge jumpers in J33 It is possible to connect an FTDI cable part number TTL 232R 3V3 to pin header J36 in order to access the UART channel This can be used when debugging the UART communication with the M 2 module 4 15 3 SP16 Level Translation and...

Page 33: ...igure 27 iMX OEM Base Board Default Jumper Positions 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 Downloade...

Page 34: ..._B0_03 Parallel RGB LCD interface LPC VSYNC GPIO4 LCDIF_ENABLE GPIO_B0_01 Parallel RGB LCD interface LPC Data Enable GPIO5 LCDIF_HSYNC GPIO_B0_02 Parallel RGB LCD interface LPC HSYNC GPIO6 LCDIF_D12 GPIO_B1_00 Parallel RGB LCD interface Red4 bit GPIO7 LCDIF_D13 GPIO_B1_01 Parallel RGB LCD interface Red5 bit GPIO8 LCDIF_D14 GPIO_B1_02 Parallel RGB LCD interface Red6 bit GPIO9 LCDIF_D15 GPIO_B1_03 P...

Page 35: ...SD interface CMD GPIO_AD_B0_05 BOOT_MODE1 FLASH_RST GPIO_AD_B0_05 Connects to M 2 and SD interface power control GPIO_SD_B0_02 SD1_D0 GPIO_SD_B0_02 Connects to M 2 and SD interface Data0 GPIO_SD_B0_03 SD1_D1 GPIO_SD_B0_03 Connects to M 2 and SD interface Data1 GPIO_SD_B0_04 SD1_D2 GPIO_SD_B0_04 Connects to M 2 and SD interface Data2 GPIO_SD_B0_05 SD1_D3 GPIO_SD_B0_05 Connects to M 2 and SD interfa...

Page 36: ...e on iMX OEM Carrier Board WAKEUP WAKEUP Connects to push button SW4 GPIO_AD_B1_09 SAI1_MCLK GPIO_AD_B1_09 Connects to audio codec MCLK PMIC_ON_REQ PMIC_ON_REQ Reset generator No special usage on iMX OEM Carrier Board EXT_PWR_EN PMIC_REQ_ON Enables the main 3 3V power supply PERI_PWREN PMIC_STBY_REQ Enables the 3 3V peripheral voltage supply GPIO_B1_13 WDOG_B GPIO_B1_13 Is connected to WDOG_B inpu...

Page 37: ...vailable on SODIMM pad 131 TP122 Do not use this pin and leave unconnected Using this pin for example as a GPIO will limit the maximum OctalSPI clock frequency to half of currently set frequency 66MHz vs 131MHz GPIO_AD_B1_04 GPIO_AD_B1_04 Connects to M 2 interface as UART3_CTS Can be disconnected via J33 9 10 position GPIO_AD_B1_05 GPIO_AD_B1_05 Connects to M 2 interface as UART3_RTS Can be discon...

Page 38: ... with OEM Board MCU The second step is to make sure it is possible to download an application to the i MX RT1062 MCU on the OEM Board is working Follow the instructions found in the iMX RT1062 Developer s Kit Program Development Guide to download the demo application This can be used without a debug probe Alternatively download any of the sample applications via any of the supported IDEs This test...

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