Applications, Implementation, And Layout; Application Information - Texas Instruments SimpleLink CC3135MOD Manual

CC3135MOD
SWRS225B – FEBRUARY 2019 – REVISED MARCH 2020

7 Applications, Implementation, and Layout

Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI's customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
7.1

Application Information

7.1.1 BLE/2.4 GHz Radio Coexistence
The CC3135MOD device is designed to support BLE/2.4 GHz radio coexistence. Because WLAN is
inherently more tolerant to time-domain disturbances, the coexistence mechanism gives priority to the
®
Bluetooth low energy entity over the WLAN. Bluetooth
therefore the coexistence mechanism does not affect the 5 GHz band. The CC3135MOD device can
operate normally on the 5 GHz band, while the Bluetooth
mutual interference.
The following coexistence modes can be configured by the user:
• Off mode or intrinsic mode
– No BLE/2.4 GHz radio coexistence, or no synchronization between WLAN and Bluetooth
energy—in case Bluetooth
• Time Division Multiplexing (TDM, Dual Antenna)
– Dual-band Wi-Fi (see
In this mode, the WLAN can operate on either a 2.4 or 5 GHz band and Bluetooth
operates on the 2.4 GHz band.
44 Applications, Implementation, and Layout
NOTE
®
low energy exists in this mode, collisions can randomly occur.
Figure 7-1)
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®
low energy operates in the 2.4 GHz band,
®
low energy works on the 2.4 GHz band without
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®
low
®
low energy