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CC3235MODSF SimpleLink
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Texas Instruments CC3235MODSF SimpleLink User Manual
Wi-fi and iot solution with mcu launchpad hardware
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Contents
Table of Contents
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Table of Contents
Table of Contents
CC3235MODSF Launchpad™ Development Kit (LAUNCHCC3235MOD)
Introduction
CC3235MODSF Launchpad
LAUNCHCC3235MOD Key Features
What's Included
Regulatory Compliance
First Steps: Out-Of-Box Experience
Next Steps: Looking into the Provided Code
Hardware
Block Diagram
Hardware Features
Boosterpack Header Pin Assignment
Electrical Characteristics
Antenna Characteristics
Layout Guidelines
LAUNCHCC3235MOD Board Layout
General Layout Recommendations
RF Layout Recommendations
Antenna Placement and Routing
Transmission Line Considerations
Operational Setup and Testing
Measuring the CC3235MOD Current Draw
RF Connections
Design Files
Software
Development Environment Requirements
Ccs
Iar
Additional Resources
Cc3235Modx Product Page
Download CCS, IAR
Simplelink™ Academy for CC3235 SDK
TI E2E Community
Assembly Drawing and Schematics
Assembly Drawing
Schematics
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®
CC3235MODSF SimpleLink™ Wi-Fi
and IoT
Solution With MCU LaunchPad™ Hardware
User's Guide
Literature Number: SWRU548
February 2019
Table of
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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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