background image

IWR1642

BP 

C

o

n

n

e

ct

o

r

XDS110

SOP

PC Interface 
Through USB

UART and JTAG

SPI, UART, I

2

C, 

Rst, Nerrs, 
SOPs, Loggers, 
CAN, and GPIOs

60-pin HD

L

VD

d

a

ta

 a

n

d

 C

lk

JT

AG

 a

n

d

 t

ra

ce

40-Mhz 

XTAL

QSPI 
Flash

Optional for 3.3-V 
from MCU 
LaunchPad

TM

PMIC

LDO2

4 RX and 2 TX PCBs

LDO2

1.8 V

1.3 V

1.2 V

3.3 VIO

1.8 V

2.3 V

EN Control 

From the MCU

PGOOD Signal to 
MCU for Power 
Sequencing

5-V input 
from jack 

and MCU

Power and 2 GPIO 

LED indicators

Control Signals for 
External MCU 
Interface

Copyright © 2017, Texas Instruments Incorporated

Current 
Measurement

www.ti.com

Hardware

5

SWRU521C – May 2017 – Revised May 2020

Submit Documentation Feedback

Copyright © 2017–2020, Texas Instruments Incorporated

IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

2.1

Block Diagram

Figure 3

shows the block diagram.

Figure 3. Block Diagram

Summary of Contents for BoosterPack IWR1642

Page 1: ...s well as onboard buttons and LEDs for quick integration of a simple user interface Contents 1 Getting Started 2 1 1 Introduction 2 1 2 Key Features 2 1 3 Kit Contents 2 2 Hardware 3 2 1 Block Diagram 5 2 2 Power Connections 6 2 3 Connectors 6 2 4 PC Connection 10 2 5 Connecting the BoosterPack to the LaunchPad or the MMWAVE DEVPACK 11 2 6 Antenna 12 2 7 Jumpers Switches and LEDs 18 3 Design Files...

Page 2: ...tors that leverages the ecosystem of the TI LaunchPad XDS110 based JTAG emulation with a serial port for onboard QSPI flash programming Back channel UART through USB to PC for logging purposes Onboard antenna 60 pin high density HD connector for raw analog to digital converter ADC data over LVDS and trace data capability Onboard CAN transceiver One button and two LEDs for basic user interface 5 V ...

Page 3: ...ector www ti com Hardware 3 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution 2 Hardware Figure 1 and Figure 2 show the front and rear view of the EVM respectively Figure 1 EVM Front ...

Page 4: ...SLQ DXQFK3DGŒ Connector J5 XDS110 PMIC Hardware www ti com 4 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Figure 2 EVM Rear ...

Page 5: ...l From the MCU PGOOD Signal to MCU for Power Sequencing 5 V input from jack and MCU Power and 2 GPIO LED indicators Control Signals for External MCU Interface Copyright 2017 Texas Instruments Incorporated Current Measurement www ti com Hardware 5 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOS...

Page 6: ...cating that the board is powered on NOTE After the 5 V power supply is provided to the EVM it is recommended to press the NRST switch SW2 one time to ensure a reliable boot up state Figure 4 Power Connector 2 3 Connectors 2 3 1 20 Pin BoosterPack Connectors The BoosterPack has the standard LaunchPad connectors J5 and J6 shown in Figure 5 that enable it to be directly connected to all TI MCU Launch...

Page 7: ...nboard VIO supply for the IWR device coming from the onboard PMIC A HIGH on the PGOOD signal 3 3 V indicates the supply is stable Because the I Os are not failsafe the MCU must not drive any I O signals to the IWR device before this I O supply is stable to avoid leakage current into the I Os 3 Controls the onboard PMIC enable The MCU can use this to shut down the PMIC and IWR device during the per...

Page 8: ... Chip mmWave Sensing Solution 2 3 2 60 Pin HD Connector The 60 pin HD connector provides the high speed LVDS data control signals SPI UART I2 C NRST NERR SOPs and JTAG debug signals The connector can be connected to the MMWAVE DEVPACK board to further get to the standard TSW1400 EVM Figure 6 shows the HD connector and Table 3 provides the connector information Figure 6 HD Connector ...

Page 9: ... the I Os Table 3 J1 Connector Pin Pin Number Description Pin Number Description 1 5V 2 5V_IN 3 5V 4 AR_TDO_SOP0 5 AR_TDI 6 AR_TCK 7 AR_CS1 8 AR_TMS 9 AR_SPICLK1 10 AR_HOSTINTR1 11 AR_MOSI1 12 AR_MISO1 13 PGOOD onboard VIO 1 14 AR_NERR_OUT 15 AR_DMM_CLK 16 AR_SYNC_IN 17 AR_DMM_SYNC 18 GND 19 AR_DP0 20 NC 21 AR_DP1 22 NC 23 AR_DP2 24 GND 25 AR_DP3 26 AR_LVDS_FRCLKP 27 AR_DP4 28 AR_LCDS_FRCLKM 29 AR...

Page 10: ... B board this is done by placing the switch S2 on the CAN position NOTE For CAN use a modification is needed along with the S2 position Remove R11 Connect U3 1 to U14 12 CAN_Tx Remove R12 Connect U3 4 to U14 9 CAN_Rx Figure 7 shows the CAN connector Figure 7 CAN Connector 2 4 PC Connection The connectivity is provided through the micro USB connector over the onboard XDS110 TM4C1294NCPDT emulator T...

Page 11: ...or DCA1000 FPGA platform from TI see High Speed Data Capture and Pattern Generation Platform The TSW1400 EVM and Devpack or DCA1000 EVM platform allows users to capture the raw ADC data over the high speed debug interface and post process it in the PC Getting DSP trace data through the MIPI 60 pin interface Use the DMM interface This BoosterPack can be stacked on top of the Launchpad or the MMWAVE...

Page 12: ...cking multiple objects with their distance and angle information This antenna design enables estimation of distance and elevation angle that enables object detection in a two dimensional plane Figure 10 shows the PCB antennas Figure 10 RX and TX Antennas The antenna peak gain is 9 dBi across the operating frequency band of 76 to 81 GHz The peak output power with the antenna gain is 55 dBm EIRP as ...

Page 13: ... 13 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Figure 11 Antenna Pattern ...

Page 14: ...2 Hardware www ti com 14 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Azimuth Antenna Pattern TX1 ...

Page 15: ...2 www ti com Hardware 15 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Azimuth Antenna Pattern TX2 ...

Page 16: ... Hardware www ti com 16 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Elevation Antenna Pattern TX1 ...

Page 17: ... www ti com Hardware 17 SWRU521C May 2017 Revised May 2020 Submit Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated IWR1642 Evaluation Module IWR1642BOOST Single Chip mmWave Sensing Solution Elevation Antenna Pattern TX2 ...

Page 18: ...e in three different modes based on the state of the SOP lines These lines are sensed only during boot up of the IWR device The state of the device is detailed by Table 4 A closed jumpers refers to a 1 and an open jumper refers to a 0 state of the SOP signal going to the IWR device Table 4 SOP Jumper Information Reference Usage Comments P3 SOP 2 SOP 2 0 101 SOP mode 5 flash programming P2 SOP 1 00...

Page 19: ...nd LEDs Table 5 provides the switch and LED information Table 5 Switch and LED Information Reference Usage Comments SW2 RESET Used to RESET the IWR1642 device This signal is also brought out on the 20 pin connector and 60 pin HD connector so an external processor can control the IWR device The onboard XDS110 can also use this reset SW1 GPIO_1 When pushed the GPIO_1 is pulled to VCC DS2 5 V supply ...

Page 20: ...igure 16 DS2 Figure 17 DS4 Figure 18 DS1 Figure 19 DS3 2 7 4 Selection Between SPI and CAN Interface The SPI and CAN interface are muxed on the same lines on the IWR1642 device Based on the configuration the user can select if the pins E14 and D13 must be connected to the 20 pin BP LP connectors to provide the SPI interface OR to the onboard CANFD PHY U3 This selection is done by the S2 switch Thi...

Page 21: ...H473K050BB TI recommends that customers incorporate this change with an equivalent capacitor in their designs 3 2 Software Development Tools and Example Code To enable quick development of end applications on the C67x DSP and R4F core in the IWR1642 TI provides a software development kit SDK that includes demo codes software drivers emulation packages for debug and more These can be found at mmwav...

Page 22: ...5 PCB Storage and Handling Recommendations The immersion silver finish of the PCB provides a better high frequency performance but is also prone to oxidation in open 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 humidity conditions All ESD precautions...

Page 23: ...nded only for development and not as an end product or part of an end product Developers and integrators that incorporate the chipset in any end products are responsible for obtaining applicable regulatory approvals for such end product The European RF exposure radiation limit is fulfilled if a minimum distance of 5 cm between the user and the radio transmitter is respected NOTE The IWR1642BOOST h...

Page 24: ...it Documentation Feedback Copyright 2017 2020 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from B Revision August 2018 to C Revision Page Added Note 21 ...

Page 25: ...se 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 reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

Reviews: