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4.5 xWR6843AOPEVM Antenna

The xWR6843AOPEVM includes four receiver and three transmitter short range antennas on the package of the
chip.

shows the antenna on package.

Figure 4-7. AOP Antennas

Figure 4-8. IWR6843AOP antenna placement MIMO array

xWR6843AOPEVM Rev F

SWRU546D – OCTOBER 2018 – REVISED NOVEMBER 2020

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mmWaveICBoost and Antenna Module

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Copyright © 2020 Texas Instruments Incorporated

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Summary of Contents for mmWaveICBoost

Page 1: ...endations 34 3 4 Power Connections 34 3 5 Interfaces 35 3 6 xWR6843ISK Antenna 39 3 7 IWR6843ISK ODS Antenna 42 3 8 Modular Mode 44 3 9 DCA1000EVM Mode 46 3 10 MMWAVEICBOOST Mode 46 4 xWR6843AOPEVM Re...

Page 2: ...IPI Connector 24 Figure 2 21 14 Pin JTAG Connector 25 Figure 2 22 CAN Connectors 26 Figure 2 23 UMC Connector 26 Figure 2 24 SOP Jumpers 27 Figure 2 25 J13 Header 28 Figure 2 26 SW1 29 Figure 2 27 SW2...

Page 3: ...n Pattern in Azimuth 66 Figure 5 9 TX2 Antenna Radiation Pattern in Azimuth 66 Figure 5 10 TX3 Antenna Radiation Pattern in Azimuth 67 Figure 5 11 TX1 Antenna Radiation Pattern in Elevation 67 Figure...

Page 4: ...ches 55 Table 4 2 Pin Mux Settings 56 Table 4 3 SOP Configuration 56 Table 4 4 REACH Information 60 Table 5 1 List of LEDs 65 Table 5 2 IWR6843ISK I2C Devices and Address 65 Table 6 1 Switches 75 Tabl...

Page 5: ...rrently available on product page Silicon Version MMWAVEICBOOST Rev B AWR6843ISK Rev C ES2 IWR6843ISK Rev B ES2 IWR6843ISK ODS Rev B ES2 IWR6843AOPEVM Rev F ES2 Note All older revisions not listed are...

Page 6: ...t from angular accuracy which is how accurately the angle of an object is detected 6 dB beam width of resultant pattern due to TX and RX combination 1 2 1 Summary of Features Feature Comment xWR6843IS...

Page 7: ...controller area network CAN transceivers On board PMIC 60 pin MIPI HD connector for JTAG trace On board FTDI chip to provide PC interface for serial peripheral interface SPI general purpose input out...

Page 8: ...er supply that complies with applicable regional safety standards such as UL CSA VDE CCC PSE and more The length of the power cable should be 3 m Getting Started www ti com 8 mmWaveICBoost and Antenna...

Page 9: ...rear view of EVM respectively Figure 2 1 MMWAVEICBOOST Front View Figure 2 2 MMWAVEICBOOST Rear View www ti com MMWAVEICBOOST SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWav...

Page 10: ...2 0 NERRIN NERROUT SOP 2 0 LOGGERS SPI 1 SPI 2 NRST INTn RS232 SPI 1 SPI 2 NRST INTn RS232 SPI 1 SPI 2 NRST INTn RS232 GPIO 2 0 NERRIN NERROUT SOP 2 0 LOGGERS 3 3 V I2C 3 3 V 1 2 V 1 8 V 1 0 V 5 V 5...

Page 11: ...ISO1 SPI_MOSI1 HOST INTn NRST RS232 TX RX 60 PIN CONNECTOR DCA1000 SCL SDA GPIO 2 0 NERR_IN NERR_OUT SOP 2 0 CLK2 UART3 CS2 UART4 MISO2 SCL MOSI2 SDA CAN1 2 TX1 TX2 RX1 RX2 JTAG SIGNALS FROM XDS110 14...

Page 12: ...t Position Position for STAND ALONE Mode 1 Position for DCA1000 Mode Position for 40 Pin LP BP S1 12 ON ON ON S1 11 ON ON OFF S1 10 ON ON OFF S1 9 OFF OFF ON S1 8 OFF OFF ON MMWAVEICBOOST www ti com 1...

Page 13: ...N S1 3 ON ON OFF S1 2 ON ON ON S1 1 OFF OFF OFF 1 Standalone mode means starter kit and MMWAVEICBOOST connected together 2 S1 5 has RS232 connections from 40 pin FTDI 60 pin XDS110 ON postion routes U...

Page 14: ...sical board Table 2 2 Mux Selection Images Front Rear Whole Board Figure 2 5 Front Figure 2 6 Rear Zoomed IN Figure 2 7 Front MMWAVEICBOOST www ti com 14 mmWaveICBoost and Antenna Module SWRU546D OCTO...

Page 15: ...er the onboard FTDI and XDS110 ICs This provides the following interfaces to the PC XDS110 provides the default UART interface for application user port and auxiliary data port FTDI Port A SPI interfa...

Page 16: ...BOOST board using the two 60 pin HD connectors and 12 nuts four washers and four M3 screws for improving the thermal performance Connectors have a pin number marking shown in Figure 2 18 to prevent th...

Page 17: ...be used as heat sinking elements to spread the heat from the starter kit to carrier board as shown in Figure 2 11 Figure 2 11 Mechanical Mounting of the PCB www ti com MMWAVEICBOOST SWRU546D OCTOBER...

Page 18: ...d starter kit are the same as mentioned in Section 2 4 except the analog mux settings and the mux controls are received from the 60 pin connector J10 instead of FTDI To mux all the digital controls to...

Page 19: ...iption Image P3 Short Default Input voltage is 5 V and short R116 Open Input voltage is more than 5 V and remove R116 Figure 2 14 P3 Header P7 Short Input voltage is more than 5 V and remove R116 Open...

Page 20: ...igure 2 17 TI Standard LaunchPad 2 7 2 Table 2 4 J6 Connector Pinout Pin Number Description Pin Number Description 1 NERROUT 2 GND 3 NERRIN 4 DSS LOGGER 5 MCUCLKOUT 6 SPI_CS 7 NC 8 GPIO1 9 MSS LOGGER...

Page 21: ...ter kits The MCU can use this to shut down the PMIC and xWR device during the periods it does not use the xWR device and save power The power up of the PMIC takes approximately 5 ms once the enable si...

Page 22: ...ER 14 PGOOD 44 GND 15 JTAG_TCK 45 OSC_CLKOUT 16 HOST_INTR1 46 LVDS_0P 17 JTAG_TDO SOP0 47 MCU_CLKOUT 18 MSS_LOGGER 48 LVDS_0M 19 SPI_CS1 49 PMIC_CLKOUT SOP2 20 GND 50 GND 21 SPI_CLK1 51 WARMRST 22 SYN...

Page 23: ...NC 12 NC 42 GND 13 DP8 43 NC 14 NC 44 NC 15 DP9 45 NC 16 NC 46 NC 17 DP10 47 NC 18 GND 48 NC 19 DP11 49 NC 20 LVDS_VALIDP 50 NC 21 DP12 51 NC 22 LVDS_VALIDM 52 NC 23 DP13 53 NC 24 GND 54 NC 25 DP14 55...

Page 24: ...tandard MIPI 60 pin interface as shown in Figure 2 20 for JTAG and trace capability through emulators such as the XDS560pro To use this interface the JTAG lines from the onboard emulator XDS110 and 14...

Page 25: ...FD transceiver TCAN1042HGVDRQ1 and CAN transceiver SN65HVDA540QDR independently as shown in Figure 2 22 These signals are wired to the CAN bus after muxing with the SPI interface signals one of the t...

Page 26: ...on the state of the SOP lines These lines are sensed only during boot up of the mmWave sensor device The state of the device is detailed by Table 2 9 A closed jumper refers to a 1 and an open jumper...

Page 27: ...ensor 1 U18 TMP112AIDRLR 100 1001 Temp sensor 2 U19 TMP112AIDRLR 100 1000 Current sensor for 3 3V rail U11 INA226AIDGST 100 0010 Current sensor for 1 8V rail U21 INA226AIDGST 100 0110 Current sensor f...

Page 28: ...sed J27 Enables disables the load switch U31 of 5 V supply generation either from 5 V or 5 V circuitry 1 2 indicates 5 V 2 3 indicates 5 V 1 2 Open 2 3 default Closed J28 Enables disables the load swi...

Page 29: ...pin OFF J16 Header ON 40 pin default S1 3 Header J16 40 pin and FTDI OFF 40 pin J16 header ON FTDI default S1 4 60 pin and FTDI 40 pin J16 OFF 60 pin ON FTDI J16 header 40 pin default S1 5 60 pin FTD...

Page 30: ...esence of the 5 V supply D5 Yellow SOR0 SOR0 SOP2 state D6 Yellow SOR1 SOR1 SOP1 state D7 Yellow SOR2 SOR2 SOP0 state D8 Red NRST This LED is used to indicate the state of NRST pin If this LED is glow...

Page 31: ...6843ISK and IWR6843ISK ODS 3 1 Hardware CAUTION HOT SURFACE CONTACT MAY CAUSE BURN DO NOT TOUCH 3 1 1 xWR6843ISK EVM Note The xWR6843ISK has been tested in the 60 64GHz band across the temperature ran...

Page 32: ...has been tested in the 60 64GHz band across the temperature range of 20 C to 60 C Note In accordance to the EN 62311 RF exposure test a minimum separation distance of 20 centimeters should be maintai...

Page 33: ...p Figure 3 4 PCB Antenna Bottom www ti com xWR6843ISK IWR6843ISK ODS REV C SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 33 Copyright 2020 Texas...

Page 34: ...hile using and handling the EVM 3 4 Power Connections The antenna module is powered by the 3 3 V from the 60 pin HD connectors When power is supplied an on board PMIC and LDO generate the voltages The...

Page 35: ...Interfaces www ti com xWR6843ISK IWR6843ISK ODS REV C SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 35 Copyright 2020 Texas Instruments Incorpor...

Page 36: ...1 4 Muxes to CAN connector J3 J4 Muxes to SPI on 60 pin connector J1 J6 S1 5 Muxes USER UART to 60 pin header J1 Muxes USER UART to USB connector J5 S1 6 S2 Reset Switch S3 GPIO1 toggle switch xWR6843...

Page 37: ...are in limits D4 Green USB enumeration LED Turns on while enumerating the USB D5 Green Reset Toggles when reset button is depressed D6 Green 5V indicator Indicates the application of 5V power D7 Gree...

Page 38: ...nt sensor and temperature sensor for measuring on board temperature These are connected to the I2C bus and can be isolated using the zero provided on the hardware 3 5 4 1 EEPROM The board features an...

Page 39: ...0 PMIC U4 LP87702DRHBRQ1 110 0000 1 XX means 00 01 10 11 3 6 xWR6843ISK Antenna The xWR6843ISK includes onboard etched long range antennas for the four receivers and three transmitters Figure 3 8 show...

Page 40: ...iation pattern with regard to elevation for TX1 TX2 and TX3 All of the measurements were done with a Tx and Rx combination together Thus for the 6dB beam width you must see a 12db Tx 6dB Rx 6dB number...

Page 41: ...Figure 3 13 TX1 Antenna Radiation Pattern in Elevation Figure 3 14 TX2 Antenna Radiation Pattern in Elevation Figure 3 15 TX3 Antenna Radiation Pattern in Elevation www ti com xWR6843ISK IWR6843ISK OD...

Page 42: ...vation directions with the help of 4 3 virtual antennas positions Figure 3 16 IWR6843ISK ODS PCB Antenna Figure 3 17 IWR6843ISK ODS antenna placement MIMO array Figure 3 18 shows combined Antenna Radi...

Page 43: ...All Tx to Rx Pairs All 12 Virtual Antenna Pairs Included www ti com xWR6843ISK IWR6843ISK ODS REV C SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Modu...

Page 44: ...re 3 21 the power is supplied through a single USB connector the same connector J5 is also used for data transfer through the CP2015 USB to UART emulator When enumerated correctly the 2 UART ports are...

Page 45: ...Config Flashing and Functional Mode s1 1 s1 2 s1 3 s1 4 s1 5 s1 6 Flashing On Off On On Off Functional Off Off On On Off www ti com xWR6843ISK IWR6843ISK ODS REV C SWRU546D OCTOBER 2018 REVISED NOVEM...

Page 46: ...A1000EVM mode OFF ON ON OFF OFF 3 10 MMWAVEICBOOST Mode In this mode the boards are setup as shown in Figure 3 23 UART is routed to the 60 pin connector to the XDS110 USB More on the mmWAVEICBOOST set...

Page 47: ...3 5 S1 Config for mmWAVEICBOOST mode S1 1 S1 2 S1 3 S1 4 S1 5 S1 6 mmWAVEICBOO ST mode Off Off Off Off On www ti com xWR6843ISK IWR6843ISK ODS REV C SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit...

Page 48: ...ed in the 60 64GHz band across the temperature range of 20 C to 60 C Note In accordance to the EN 62311 RF exposure test a minimum separation distance of 20 centimeters should be maintained between th...

Page 49: ...rmanently lost 4 2 Block Diagram Figure 4 3 shows the functional block diagram The mission board side contains the essential components for the TI radar system PMIC SFLASH SOP configuration Filter TI...

Page 50: ...of junction temperature versus duty cycle taken with and without the heat sink As seen in the plot the EVM can safely operate up to 50 duty cycle with or without the heat sink Although the heatsink is...

Page 51: ...Application of the heat sink is shown in Figure 4 6 www ti com xWR6843AOPEVM Rev F SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 51 Copyright 20...

Page 52: ...4 6 Heat sink placement xWR6843AOPEVM Rev F www ti com 52 mmWaveICBoost and Antenna Module SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback Copyright 2020 Texas Instruments Incorp...

Page 53: ...package of the chip Figure 4 7 shows the antenna on package Figure 4 7 AOP Antennas Figure 4 8 IWR6843AOP antenna placement MIMO array www ti com xWR6843AOPEVM Rev F SWRU546D OCTOBER 2018 REVISED NOVE...

Page 54: ...X2 RX3 and RX4 together Figure 4 9 Measured Azimuthal Radiation Pattern for All Tx to Rx Pairs All 12 Virtual Antenna Pairs Included Figure 4 10 Measured Elevation Radiation Pattern for All Tx to Rx P...

Page 55: ...SOP0 pulled down SOP0 pulled up S1 4 SOP1 pulled up SOP1 pulled down S2 1 SPI MISO MOSI routed to CAN Transceiver SPI MISO MOSI routed to 60 pin connector BT LCD S2 2 SPI CS routed to 60 pin connector...

Page 56: ...when switch is on the OFF position and low when the switch is the ON position SOP 1 and 2 are pulled low when the switch is OFF and high when the switch is ON In MMWAVEICBOOST mode the xWR6843AOPEVM...

Page 57: ...ch Configuration for Modular Mode www ti com xWR6843AOPEVM Rev F SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 57 Copyright 2020 Texas Instrumen...

Page 58: ...lable on the MMWAVEICBOOST such as the JTAG ADC capture CAN LaunchPad connector and so forth Figure 4 14 xWR6843AOPEVM Mounted on MMWAVEICBOOST xWR6843AOPEVM Rev F www ti com 58 mmWaveICBoost and Ante...

Page 59: ...he Drivers The SICP2105 drivers must be installed to access the UART port Download and install the drivers here When installed correctly the COM port should be enumerated as shown in Figure 4 16 SICP2...

Page 60: ...n see Section 2 5 3 4 10 REACH Compliance In compliance with the Article 33 provision of the EU REACH regulation this is to notify you that this EVM includes component s containing at least one substa...

Page 61: ...ON HOT SURFACE CONTACT MAY CAUSE BURN DO NOT TOUCH 5 1 1 IWR6843ISK EVM Note The IWR6843ISK has been tested in the 60 64GHz band across the temperature range of 20 C to 60 C The device is intended for...

Page 62: ...s been tested in the 60 64GHz band across the temperature range of 20 C to 60 C Note In accordance to the EN 62311 RF exposure test a minimum separation distance of 20 centimeters should be maintained...

Page 63: ...igure 5 4 PCB Antenna Bottom www ti com IWR6843ISK IWR6843ISK ODS deprecated SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 63 Copyright 2020 Tex...

Page 64: ...n environments This oxidation causes the surface around the antenna region to blacken To avoid oxidation the PCB should be stored in an ESD cover and kept at a controlled room temperature with low hum...

Page 65: ...provided on the hardware 5 5 2 1 EEPROM The board features an EEPROM for storing the board specific IDs for the identification of the starter kit connected to the MMWAVEICBOOST 5 5 2 2 Default I2C Ad...

Page 66: ...5 7 PCB Antennas Figure 5 8 through Figure 5 10 shows the antenna radiation pattern with regard to azimuth Figure 5 11 through Figure 5 13 show the antenna radiation pattern with regard to elevation f...

Page 67: ...Figure 5 12 TX2 Antenna Radiation Pattern in Elevation Figure 5 13 TX3 Antenna Radiation Pattern in Elevation www ti com IWR6843ISK IWR6843ISK ODS deprecated SWRU546D OCTOBER 2018 REVISED NOVEMBER 202...

Page 68: ...lp of 4 3 virtual antennas positions Figure 5 14 IWR6843ISK ODS PCB Antenna Figure 5 15 shows combined Antenna Radiation pattern in the Azimuth plane for all the transmitter and receiver pairs togethe...

Page 69: ...ther TX 1 3 RX 1 4 Figure 5 16 Measured Elevation Radiation Pattern for All Tx to Rx Pairs All 12 Virtual Antenna Pairs Included www ti com IWR6843ISK IWR6843ISK ODS deprecated SWRU546D OCTOBER 2018 R...

Page 70: ...The IWR6843 operates at 4 Ghz bandwidth from 60 to 64 GHz with a maximum output power of 10 dBm the IWR6843AOPEVM has an antenna gain of 6 dBi Note The IWR6843AOPEVM has been tested in the 60 64GHz ba...

Page 71: ...em PMIC SFLASH SOP configuration Filter TI mmWave Radar chip and a USB to UART converter The Breakaway board sections contain the 60 pin Samtec connector for interfacing with the MMWAVEICBOOST www ti...

Page 72: ...tatic wristband Operate on an antistatic work surface For more information on proper handling refer to SSYA010A 6 4 IWR6843AOPEVM Antenna The IWR6843AOPEVM includes four receiver and three transmitter...

Page 73: ...e 6 4 AOP Antennas www ti com IWR6843AOPEVM Deprecated SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 73 Copyright 2020 Texas Instruments Incorpo...

Page 74: ...RX3 and RX4 together Figure 6 5 Measured Azimuthal Radiation Pattern for All Tx to Rx Pairs All 12 Virtual Antenna Pairs Included Figure 6 6 Measured Elevation Radiation Pattern for All Tx to Rx Pairs...

Page 75: ...etooth Enable 60 pin to Bluetooth S3 SOP2 Pull up SOP2 pull down S4 Breakaway UART Mainboard UART S5 60 pin connector Bluetooth LCD S6 Bluetooth Enable Bluetooth Disable SW1 1 SOP1 pull up SOP1 pull d...

Page 76: ...n the OFF position and low when the switch is the ON position SOP 1 and 2 are set low when the switch is OFF and high when the switch is ON In mounted mode the IWR6843AOPEVM is mounted on the MMWAVEIC...

Page 77: ...lar Mode Figure 6 9 Switch Configuration for BT Mode www ti com IWR6843AOPEVM Deprecated SWRU546D OCTOBER 2018 REVISED NOVEMBER 2020 Submit Document Feedback mmWaveICBoost and Antenna Module 77 Copyri...

Page 78: ...le on the MMWAVEICBOOST such as the JTAG ADC capture CAN LaunchPad connector and so forth IWR6843AOPEVM Deprecated www ti com 78 mmWaveICBoost and Antenna Module SWRU546D OCTOBER 2018 REVISED NOVEMBER...

Page 79: ...M LaunchPads and so forth 6 8 PC Connection 6 8 1 Installing the Drivers The SICP2105 drivers must be installed to access the UART port Download and install the drivers here When installed correctly t...

Page 80: ...information see Section 2 5 3 6 9 REACH Compliance In compliance with the Article 33 provision of the EU REACH regulation this is to notify you that this EVM includes component s containing at least...

Page 81: ...rom page numbers in the current version Changes from Revision C April 2020 to Revision D November 2020 Page Added Note to xWR6843ISK IWR6843ISK ODS REV C section 31 Added Note to xWR6843AOPEVM Rev F s...

Page 82: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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