Wireless modules pack processor power and rich peripherals set

1st November 2019
Mick Elliott

Integrating a high-performance application processor, network processor, and crypto engine in a single chip with a rich set of peripherals, the CC, ISED/IC, ETSI/CE, and MIC-certified CC3235MODx modules from Texas Instruments (TI) are ideal for a wide range of Internet of Things (IoT), building automation, security, and health care applications.

The TI CC3235MODx SimpleLink series modules, available from Mouser Electronics, integrate a 40MHz crystal, 32.768kHz RTC clock, SPI serial flash, RF filters, diplexer, and passive components, plus a network processor that runs all Wi-Fi and internet logical layers.

The network processor subsystem completely offloads the host microcontroller and includes an 802.11a/b/g/n dual-band 2.4 GHz and 5 GHz radio, baseband, and MAC with a powerful hardware cryptography engine.

New capabilities simplify the connectivity of IoT applications.

These features include 802.11a/n 5GHz support, coexistence capabilities for radios in the 2.4GHz band (such as BluetoothLow Energy), antenna selection, enhanced security with FIPS 140-2 Level 1 certification, up to 16 concurrent secure TCP/IP sockets, and a certificate sign request (CSR).

Two variants of the modules are available - the CC3235MODS and CC3235MODSF.

The CC3235MODS incorporates an Arm Cortex-M4 microcontroller with 256 Kbytes of application RAM, IoT networking security, and device identity/keys.

The CC3235MODSF builds on the CC3235MODS and adds a user-dedicated 1Mbyte of executable flash in addition to the 256Kbytes of RAM.

Both variants offer microcontroller-level security features such as file system encryption, user IP (microcontroller image) encryption, secure boot, and debug security.

The CC3235MODx modules are supported by the TI CC3235MODSF LaunchPad development kit.

It includes a CC3235MODSF module, and features onboard emulation using XDS-110, and a suite of sensors for a full out-of-the-box experience and rapid development. The board’s 40-pin LaunchPad pinout enables designers to incorporate add-on boards from the BoosterPack ecosystem.

Engineers can connect the board directly to a PC for use with development tools such as Code Composer Studio integrated development environment (IDE) Cloud and IAR Embedded Workbench.

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