CC3235MODASF datasheet(65/100 Pages) TI1

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CC3235MODAS, CC3235MODASF

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SWRS233 – OCTOBER 2019

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Product Folder Links: CC3235MODAS CC3235MODASF

Detailed Description

6.4

Wi-Fi

® Network Processor Subsystem

The Wi-Fi network processor subsystem includes a dedicated Arm® MCU to completely offload the host

MCU along with an 802.11 a/b/g/n radio, baseband, and MAC with a powerful crypto engine for a fast,

secure WLAN and Internet connections with 256-bit encryption. The CC3235MODAx MCU supports

station, AP, and Wi-Fi Direct® modes. The module also supports WPA2 personal and enterprise security

and WPS 2.0. The Wi-Fi network processor includes an embedded IPv6, IPv4 TCP/IP stack, TLS stack,

and network applications such as HTTPS server.

6.4.1

WLAN

The WLAN features are as follows:

•

802.11 a/b/g/n integrated radio, modem, and MAC supporting WLAN communication as a BSS station,

AP, Wi-Fi Direct® client and group owner with CCK and OFDM rates in the 2.4 GHz ISM band,

channels 1 to 13, and 5 GHz U-NII band.

NOTE

802.11n is supported only in Wi-Fi station, Wi-Fi Direct

®, and P2P client modes.

•

Autocalibrated radio with a single-ended 50-Ω interface enables easy connection to the antenna

without requiring expertise in radio circuit design.

•

Advanced connection manager with multiple user-configurable profiles stored in serial-Flash allows

automatic fast connection to an access point without user or host intervention.

•

Supports all common Wi-Fi security modes for personal and enterprise networks with on-chip security

accelerators, including: WEP, WPA/WPA2 PSK, WPA2 Enterprise (802.1x).

•

Smart provisioning options deeply integrated within the module providing a comprehensive end-to-end

solution. With elaborate events notification to the host, enabling the application to control the

provisioning decision flow. The wide variety of Wi-Fi provisioning methods include:

–

Access Point using HTTPS

–

SmartConfig Technology: a 1-step, 1-time process to connect a CC3235MODAx-enabled module to

the home wireless network, removing dependency on the I/O capabilities of the host MCU; thus, it

is usable by deeply embedded applications

•

802.11 transceiver mode allows transmitting and receiving of proprietary data through a socket without

adding MAC or PHY headers. The 802.11 transceiver mode provides the option to select the working

channel, rate, and transmitted power. The receiver mode works with the filtering options.

6.4.2

Network Stack

The Network Stack features are as follows:

•

Integrated IPv4, IPv6 TCP/IP stack with BSD socket APIs for simple Internet connectivity with any

MCU, microprocessor, or ASIC

NOTE

Not all APIs are 100% BSD compliant. Not all BSD APIs are supported.

•

Support of 16 simultaneous TCP, UDP, RAW, SSL\TLS sockets

•

Built-in network protocols:

–

Static IP, LLA, DHCPv4, DHCPv6 with DAD and stateless autoconfiguration

–

ARP, ICMPv4, IGMP, ICMPv6, MLD, ND

–

DNS client for easy connection to the local network and the Internet

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