Texas Instruments BoosterPack IWR1642 User manual

SWRU521C–May 2017–Revised May 2020

IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

User's Guide

SWRU521C–May 2017–Revised May 2020

IWR1642 Evaluation Module (IWR1642BOOST)

Single-Chip mmWave Sensing Solution

The IWR1642 BoosterPack™ from Texas Instruments™ is an easy-to-use evaluation board for the

IWR1642 mmWave sensing device, with direct connectivity to the microcontroller (MCU) LaunchPad™

Development Kit. The BoosterPack contains everything required to start developing software for on-chip

C67x DSP core and low-power Arm®R4F controllers, including onboard emulation for programming and

debugging as 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 and Software Tools......................................................................................... 21

3.1 Hardware........................................................................................................... 21

3.2 Software, Development Tools, and Example Code........................................................... 21

4 Mechanical Mounting of PCB............................................................................................. 21

5 PCB Storage and Handling Recommendations........................................................................ 22

6 Regulatory Information .................................................................................................... 23

7 Troubleshooting ............................................................................................................ 23

8 References.................................................................................................................. 23

Trademarks

BoosterPack, Texas Instruments, LaunchPad, Code Composer Studio are trademarks of Texas

Instruments.

Arm is a registered trademark of Arm Limited.

Windows is a registered trademark of Microsoft Corporation.

All other trademarks are the property of their respective owners.

Getting Started

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IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

1 Getting Started

1.1 Introduction

The IWR1642 BoosterPack from Texas Instruments is an easy-to-use evaluation board for the IWR1642

mmWave sensing device, with direct connectivity to the microcontroller (MCU) LaunchPad Development

Kit. The BoosterPack contains everything required to start developing software for on-chip C67x DSP core

and low-power ARM R4F controllers, including onboard emulation for programming and debugging as well

as onboard buttons and LEDs for quick integration of a simple user interface.

The standard 20-pin BoosterPack headers make the device compatible with a wide variety of TI MCU

LaunchPads and enables easy prototyping.

1.2 Key Features

• Two 20-pin LaundPad connectors 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 power jack to power the board

1.3 Kit Contents

• IWR1642BOOST evaluation board

• Mounting brackets, screws, and nuts to place the printed-circuit board (PCB) vertical

• Micro USB cable to connect to PC

NOTE: A 5-V, > 2.5-A supply brick with a 2.1-mm barrel jack (center positive) is not included. TI

recommends using an external power 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.

1.3.1 mmWave Demo

TI provides sample demo codes to easily get started with the IWR1642 evaluation module (EVM) and to

experience the functionality of the IWR1642 radar sensor. For details on getting started with these demos,

see www.ti.com/tool/mmwave-sdk.

5-V Power

IWR1642

Flash

60-pin HD

Connector

Micro USB

Connector

SOP ControlsNRST_SWGPIO1_SW

Onboard Antenna

CAN-FD

Connector

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Hardware

SWRU521C–May 2017–Revised May 2020

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)

Micro USB

Connector

Heat Sink Area

20-SLQ/DXQFK3DGŒ

Connector (J6)

20-SLQ/DXQFK3DGŒ

Connector (J5)

XDS110

PMIC

Hardware

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IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

Figure 2. EVM (Rear)

IWR1642

BP Connector

XDS110

SOP

PC Interface

Through USB

UART and JTAG

SPI, UART, I2C,

Rst, Nerrs,

SOPs, Loggers,

CAN, and GPIOs

60-pin HD

LVDS data and Clk

JTAG and trace

40-Mhz

XTAL

QSPI

Flash

Optional for 3.3-V

from MCU

LaunchPadTM

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

Current

Measurement

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Hardware

SWRU521C–May 2017–Revised May 2020

IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

2.1 Block Diagram

Figure 3 shows the block diagram.

Figure 3. Block Diagram

Hardware

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2.2 Power Connections

The BoosterPack is powered by the 5-V power jack (5-A current limit), shown in Figure 4. As soon as the

power is provided, the NRST and 5-V LEDs should glow, indicating 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 LaunchPads. While connecting the BoosterPack to other LaunchPads,

ensure the pin-1 orientation is correct by matching the 3V3 and 5-V signal marking on the boards.

Figure 5. 20-Pin BoosterPack Connectors

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Hardware

SWRU521C–May 2017–Revised May 2020

IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

Table 1 and Table 2 provide the connector-pin information.

Table 1. J5 Connector Pin

Pin Number Description Pin Number Description

1 AR_NERR_OUT 2 GND

3 AR_NERRIN 4 DSS_LOGGER (AR_DP7)

5 AR_MCUCLKOUT 6 AR_CS1

7 NC 8 AR_GPIO_1

9 AR_MSS_LOGGER 10 AR_NRST_MCU

11 AR_WARMRST 12 AR_MOSI1

13 AR_BSS_LOGGER 14 AR_MISO1

15 MCU_SOP2 16 AR_HOSTINTR1

17 MCU_SOP1 18 AR_GPIO_2

19 MCU_SOP0 20 NC

(1) Voltage input to the GPADC available on the IWR1642.

(2) Indicates the state of the onboard 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 periods it does not

use the IWR device and save power. The power up of the PMIC takes approximately 5 ms once the enable signal is made high.

Table 2. J6 Connector Pin

Pin Number Description Pin Number Description

1 3V3 2 MCU_5v (5V_IN)

3 NC 4 GND

5 AR_RS232TX 6 AR_ANATEST1(1)

7 AR_RS232RX 8 AR_ANATEST2(1)

9 AR_SYNC_IN 10 AR_ANATEST3(1)

11 NC 12 AR_ANATEST4(1)

13 AR_SPICLK1 14 PGOOD (onboard VIO)(2)

15 AR_GPIO_0 16 PMIC_EN1(3)

17 AR_SCL 18 AR_SYNC_OUT_SOP1

19 AR_SDA 20 AR_PMIC_CLKOUT_SOP2

Hardware

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IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave Sensing

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2.3.2 60-Pin HD Connector

The 60-pin HD connector provides the high speed LVDS data, control signals (SPI, UART, I2C, 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

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Hardware

SWRU521C–May 2017–Revised May 2020

IWR1642 Evaluation Module (IWR1642BOOST) Single-Chip mmWave

Sensing Solution

(1) Indicates the state of the onboard 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.

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_DP5 30 GND

31 AR_DP6 32 NC

33 AR_DP7 34 NC

35 AR_DP8 36 GND

37 AR_DP9 38 NC

39 AR_DP10 40 NC

41 AR_DP11 42 GND

43 AR_DP12 44 AR_LVDS_CLKP

45 AR_DP13 46 AR_LVDS_CLKM

47 AR_DP14 48 GND

49 AR_DP15 50 AR_LVDS_1P

51 AR_SDA 52 AR_LVDS_1M

53 AR_SCL 54 GND

55 AR_RS232RX 56 AR_LVDS_0P

57 AR_RS232TX 58 AR_LVDS_0M

59 AR_NRST_MCU 60 GND

Hardware

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2.3.3 CAN Interface Connector

The J3 connector provides the CAN_L and CAN_H signals from the onboard CAND transceiver

(TCAN1042HGVDRQ1). These signals can be directly wired to the CAN bus.

Because the digital CAN signals (Tx and Rx) are muxed with the SPI interface signals on the IWR device,

one of the two paths must be selected. In the Rev A of the board, to enable the CAN interface, R11 and

R12 resisters must be populated with 0 Ω; R4, R6, R28, and R63 resistors must be removed to disconnect

the SPI path. In the Rev 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. This connection provides the following interfaces to the PC:

• JTAG for Code Composer Studio™ (CCS) connectivity

• UART1 for flashing the onboard serial flash, downloading FW through Radar Studio, and getting

application data sent through the UART

• MSS logger UART (can be used to get MSS code logs on the PC)

When the USB is connected to the PC, the device manager should recognize the following COM ports,

shown in Figure 8:

• XDS110 Class Application/User UART – UART1 port

• XDS110 Class Auxiliary Data Port – MSS logger port

Figure 8. COM Ports

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