Texas Instruments CC3235MODSF SimpleLink User Manual
Texas Instruments CC3235MODSF SimpleLink User Manual

Texas Instruments CC3235MODSF SimpleLink User Manual

Wi-fi and iot solution with mcu launchpad hardware
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CC3235MODSF SimpleLink™ Wi-Fi
and IoT
Solution With MCU LaunchPad™ Hardware
User's Guide
Literature Number: SWRU548
February 2019

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Summary of Contents for Texas Instruments CC3235MODSF SimpleLink

  • Page 1 ® CC3235MODSF SimpleLink™ Wi-Fi and IoT Solution With MCU LaunchPad™ Hardware User's Guide Literature Number: SWRU548 February 2019...
  • Page 2: Table Of Contents

    Download CCS, IAR ..............1.6.3 SimpleLink™ Academy for CC3235 SDK ....................1.6.4 TI E2E Community ..................Assembly Drawing and Schematics ....................1.7.1 Assembly Drawing ......................1.7.2 Schematics Contents SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 3: Cc3235Modsf Launchpad™ Development Kit (Launchcc3235Mod)

    LaunchPad when interfacing with other peripherals on existing BoosterPack™ add-on boards, such as graphical displays, audio codec, antenna selection, environmental sensing, and more. Figure 1-1 shows the CC3235MODSF LaunchPad development kit. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 4 Figure 1-1. CC3235MODSF SimpleLink Wi-Fi® LaunchPad Development Kit CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 5: Introduction

    20 cm from all persons, and must not be colocated or operating in conjunction with any other antenna or transmitter. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 6: Launchcc3235Mod Key Features

    Certifications in Process Indoor Usage Restrictions: The device is restricted to indoor use only when operating in the 5150 to 5350 MHz frequency range. CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 7: First Steps: Out-Of-Box Experience

    With the onboard XDS110 debug probe, debugging and downloading new code is simple. A USB connection between the EVM and a PC through the provided USB cable is all that is needed. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 8: Hardware

    Hardware www.ti.com Hardware Figure 1-2 shows the CC3235MODSF LaunchPad EVM. Figure 1-2. CC3235MODSF LaunchPad™ EVM Overview CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 9: Block Diagram

    2.3 V to 3.6 V VBA T 32-Mbit SFlash Exte rnal SPI Use r G PIO x Pro gramming Figure 1-3. CC3235MODx Functional Block Diagram SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 10 Two 20-pin LaunchPad headers (compatible with TI MCU standard) Push buttons RGB LED GPIO13, GPIO22 GPIO9, GPIO10, GPIO11 Figure 1-4. LAUNCHCC3235MOD Functional Block Diagram CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 11: Hardware Features

    – Debug Interfaces: JTAG, cJTAG, and SWD • Wi-Fi network processor subsystem: – Wi-Fi core: ® • 802.11 a/b/g/n 2.4 GHz and 5 GHz • Modes: SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 12 5 GHz: 14.5 dBm at 6 OFDM – Wi-Fi RX Sensitivity • 2.4 GHz: –94.5 dBm at 1 DSSS • 5 GHz: –89 dBm at 6 OFDM CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 13 – RF Filters, Diplexer and Passive Components • Footprint Compatible QFM Package – CC3235MODx: 1.27-mm Pitch, 63-Pin, 20.5-mm × 17.5-mm • Module Supports SimpleLink Developer's Ecosystem SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 14 To remove any and all influence from the XDS110 debug probe for high accuracy target power measurements • To control 3-V and 5-V power flow between the XDS110 and target domains CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 15 VBUFFER header to power the level shifters located on the emulator side of the board. Figure 1-7 shows the UART routed to 20-pin header connector. Figure 1-6. UART Routed to USB COM Port SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 16 JTAG jumpers and place the external emulator on the JTAG IN connector. Figure 1-8. JTAG IN Connector (J6) CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 17 Cortex-M Debug Connectors. 3. Plug USB power into the LaunchPad development kit, or power it externally a. JTAG levels are 3.3-V ONLY SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 18 The board accommodates various power methods, including through the onboard XDS110 as well as external or BoosterPack plug-in module power (see Figure 1-10). Figure 1-10. LAUNCHCC3235MOD Power Block Diagram CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 19 When the board is powered from the USB connector, ensure that the jumpers are placed on the following headers, shown in Figure 1-11. Figure 1-11. Powering the CC3235MODSF LP from USB SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 20 The OPAMP EN and LED EN jumpers are also available to remove any current draw from the onboard OpAmp and LEDs being driven by the GPIOs, see Table 1-2. CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 21 C pullup resistors from the sensor side of the circuit, and therefore any connection to the circuit requires the user to install external pullup resistors. Table 1-4 lists the I C jumper definitions. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 22 SOP jumpers. Table 1-6. SOP[2:0] Binary Value Function Flash programming Functional mode + 4-wire JTAG Functional mode + SWD Functional mode + flash CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 23 This can be used to recover a corrupted serial flash, provided the s-flash was programmed with a recovery image. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 24 GPIO_10 and GPIO_11 are also used as I C. Whenever the pullups are enabled, the LEDs glow by default without configuring the GPIOs. CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 25: Boosterpack Header Pin Assignment

    The signal can be routed to the pin by using a 0-Ω resistor in the path. For the exact resistor placement, see the CC3235MODSF SimpleLink Wi-Fi® Wireless MCU LaunchPad Board Design Files. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 26: Electrical Characteristics

    The CC3235MODSM2MOB and the CC3235MODSF12MOB reference design detail the use of an on- board antenna. For more information on the antenna VSWR, efficiency, and electrical characteristics, see M830520. CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 27: Layout Guidelines

    1.3.1 LAUNCHCC3235MOD Board Layout The reference layout consists of a four-layer design. Figure 1-16 shows the LAUNCHCC3235MOD top layer. Figure 1-16. LAUNCHCC3235MOD Top Layer SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 28 Layout Guidelines www.ti.com Figure 1-17 shows the LAUNCHCC3235MOD first inner layer. Figure 1-17. LAUNCHCC3235MOD First Inner Layer CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 29 Layout Guidelines www.ti.com Figure 1-18 shows the LAUNCHCC3235MOD second inner layer. Figure 1-18. LAUNCHCC3235MOD Second Inner Layer SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 30 Layout Guidelines www.ti.com Figure 1-19 shows the LAUNCHCC3235MOD bottom layer. Figure 1-19. LAUNCHCC3235MOD Bottom Layer CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 31: General Layout Recommendations

    RF traces must have via stitching on the ground plane beside the RF trace on both sides. • RF traces must be as short as possible. The antenna, RF traces, and the module must be on the edge SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 32 For optimal RF performance, ensure the copper cut out on the top layer under the RF-BG pin (pin 31) is as shown in Figure 1-21. Copyright © 2017, Texas Instruments Incorporated Figure 1-21. Top Layer Copper Pullback on RF Pads CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright ©...
  • Page 33: Antenna Placement And Routing

    Figure 1-22 shows a cross section of the coplanar waveguide with the critical dimensions. Figure 1-22. Coplanar Waveguide (Cross Section) SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 34 Table 1-11. Recommended PCB Values for 4-Layer Board (L1 to L2 = 16 mils) PARAMETER VALUE UNITS mils mils mils Er (FR-4 substrate) CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 35: Operational Setup And Testing

    4. Measure the current. Remember that if the current levels are fluctuating, it may be difficult to get a stable measurement. It is easier to measure quiescent states. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 36: Rf Connections

    A rework must be performed before these connectors can be used; this involves swapping the position of a resistor. shows the modified board. CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 37: Design Files

    The subdirectory also has an *.ewp project file; this file can be opened into an existing workspace, using Project → Add-Existing-Project…. SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 38: Additional Resources

    Figure 1-27. CC32xx SimpleLink™ Academy 1.6.4 TI E2E Community Search the forums at e2e.ti.com. If you cannot find your answer, post your question to the community! CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 39: Assembly Drawing And Schematics

    Assembly Drawing and Schematics www.ti.com Assembly Drawing and Schematics 1.7.1 Assembly Drawing Figure 1-28. LAUNCHCC3235MOD Top-Layer Assembly Drawing SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 40: Schematics

    Assembly Drawing and Schematics www.ti.com 1.7.2 Schematics Figure 1-29. Schematics (1 of 5) CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 41 Assembly Drawing and Schematics www.ti.com Figure 1-30. Schematics (2 of 5) SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 42 Assembly Drawing and Schematics www.ti.com Figure 1-31. Schematics (3 of 5) CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 43 Assembly Drawing and Schematics www.ti.com Figure 1-32. Schematics (4 of 5) SWRU548 – February 2019 CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 44 Assembly Drawing and Schematics www.ti.com Figure 1-33. Schematics (5 of 5) CC3235MODSF LaunchPad™ Development Kit (LAUNCHCC3235MOD) SWRU548 – February 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 45 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...

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