CC3100_15 Datasheet, PDF(27/44 Page) Texas Instruments – CC3100 SimpleLink Wi-Fi Network Processor, Internet-of-Things Solution for MCU Applications

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CC3100_15 Datasheet, PDF (27/44 Pages) Texas Instruments – CC3100 SimpleLink Wi-Fi Network Processor, Internet-of-Things Solution for MCU Applications

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CC3100

SWAS031D â JUNE 2013 â REVISED FEBRUARY 2015

5.2 Functional Block Diagram

Figure 5-1 shows the functional block diagram of the CC3100 SimpleLink Wi-Fi solution.

VCC

32-kHz

XTAL

SPI

FLASH

40-MHz

XTAL

MCU

32 kHz

nHIB

HOST_INTR

SPI/UART

CC3100

Network processor

Figure 5-1. Functional Block Diagram

SWAS031-018

5.3 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 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 CC3100 device supports station, AP,

and Wi-Fi Direct modes. The device also supports WPA2 personal and enterprise security and WPS 2.0.

The Wi-Fi network processor includes an embedded IPv4 TCP/IP stack.

Table 5-1 summarizes the NWP features.

Item

Table 5-1. Summary of Features Supported by the NWP Subsystem

Domain

TCP/IP

WLAN