SWRU641 March   2026

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Power Requirements
    2. 2.2 Temperature Range
    3. 2.3 Programming, Debug, and Control
      1. 2.3.1 Using a LaunchPad XDS110 Debug Probe
      2. 2.3.2 Using a Generic XDS110 Debug Probe, Including a Separate LaunchPad
    4. 2.4 Interfaces
      1. 2.4.1 XDS110 Interface Connector
      2. 2.4.2 Debug Interface Connector
    5. 2.5 Jumper Information
  9. 3Advanced Use of the LaunchPad Hardware
    1. 3.1 Conducted Measurements / External Antenna
  10. 4Software
    1. 4.1 Software Development
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layouts
    3. 5.3 Bill of Materials (BOM)
  12. 6Compliance Information
    1. 6.1 CE Compliance
    2. 6.2 REACH Compliance
    3. 6.3 Waste Electrical and Electronic Equipment (WEEE) Compliance
  13. 7Additional Information
    1. 7.1 Trademarks
  14. 8References

2.5 Jumper Information

The BCU board is equipped with several options for powering up the board that are easily configured using the available jumpers.

  • Option 1 utilizes power from the XDS110 in the case the operator is using an XDS110 LP for programming and control. J2 Pin 16 is the 3.3VDC power pin coming from the XDS110 LP and GND is tied to pins 1, 7, 13, 19, and 20. Header pins 2 and 3 of J1 must be connected with a jumper when using the XDS110 as the power supply for the EVM. Additionally pin 18 of J2 provides the 5.0VDC supply required to power up U4.
CC2662RQ1-BCU-EVM Option 1 Figure 2-4 Option 1
  • Option 2 allows for the board to be powered up via an external supply with the use of TP2 (3V3_EXT) and TP3 (GND). Header pins 1 and 2 of J1 must be connected with a jumper when using an external power supply connected to TP2 and TP3.
CC2662RQ1-BCU-EVM Option 2 Figure 2-5 Option 2
  • Option 3 allows the user to power up the board via J7 pin 25 (3V3_EXT) and pins 2, 5, 12, 15, 18, 21, and 26 (GND) or via J14 pin 25 (3V3_EXT) and pins 2, 5, 12, 15, 18, 21, and 26 (GND). These pins can be utilized as an input or as an output to supply power to an external device/board. Header pins 1 and 2 of J1 must be connected with a jumper when using an external power supply connected to J7 or J14, 3V3_EXT and GND.
CC2662RQ1-BCU-EVM Option 3 Figure 2-6 Option 3
  • Option 4 allows the user to power each individual wireless MCU device via their respective JTAG header. For WM #1 U1, J5 pin 1 (WM1_VDD) and pins 3 and 5 (GND) can be used to power up the device. When using J5 to power up U1, it is recommended that a jumper not be installed on J6. For WM #2 U7, J12 pin 1 (WM2_VDD) and pins 3 and 5 (GND) can be used to power up the device. When using J12 to power up U7, it is recommended that a jumper not be installed on J13.
CC2662RQ1-BCU-EVM Option 4 Figure 2-7 Option 4

In addition to the jumpers for the various power sources, the board also allows the user to connect and disconnect power to each wireless MCU device and to each watch dog timer via header jumpers. Installing a jumper on J6 powers up WM #1 U1 and removing the jumper disables the device when configured for power options 1, 2, or 3 above. Installing a jumper on J13 powers up WM #2 U12 and removing the jumper disables the device when configured for power options 1, 2, or 3 above. Installing a jumper on J9 powers up WM #1's watch dog timer U6 and removing the jumper disables the device. Installing a jumper on J16 powers up WM #2's watch dog timer U9 and removing the jumper disables the device. Jumper locations are shown in Wireless MCU and WD Power Jumpers figure.

CC2662RQ1-BCU-EVM Wireless MCU and WD Power Jumpers Figure 2-8 Wireless MCU and WD Power Jumpers

Other manual jumper controls available to the user are enabling/disabling of the 3 LEDs and the connecting/disconnecting of the WDO (WM1_RST_L and WM2_RST_L) signal to each WM device. The user may want to disconnect the LEDs from the WMs when taking power consumption measurements or if removing the LEDs is desired. The user may want to disconnect the WDO from the RESET_L line of a given WM when programming the WM or during development/troubleshooting. Jumper locations are shown in LED and WDO Jumpers figure.

  • Installing a jumper beween pins 1 and 2 of J3 enables the D1 LED and removing the jumper disables the LED.
  • Installing a jumper beween pins 3 and 4 of J3 enables the D2 LED and removing the jumper disables the LED.
  • Installing a jumper beween pins 5 and 6 of J3 enables the D3 LED and removing the jumper disables the LED.
  • Installing a jumper on J8 connects WDO of U6 to WM1_RST_L and removing the jumper disconnects WDO from WM1_RST_L.
  • Installing a jumper beween pins 1 and 2 of J10 enables the D4 LED and removing the jumper disables the LED.
  • Installing a jumper beween pins 3 and 4 of J10 enables the D5 LED and removing the jumper disables the LED.
  • Installing a jumper beween pins 5 and 6 of J10 enables the D6 LED and removing the jumper disables the LED.
  • Installing a jumper on J10 connects WDO of U9 to WM2_RST_L and removing the jumper disconnects WDO from WM2_RST_L.
CC2662RQ1-BCU-EVM LED and WDO Jumpers Figure 2-9 LED and WDO Jumpers