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CC3135 Datasheet(PDF) 57 Page - Texas Instruments

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Part No. CC3135
Description  SimpleLink Wi-Fi, Dual-Band Network Processor, solution for MCU applications
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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CC3135 Datasheet(HTML) 57 Page - Texas Instruments

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BLE
CCxxxx
WLAN
CC3135
5 GHz SPDT RF
SWITCH
5 GHz
BPF
2.4 / 5 GHz
Diplexer
2.4 GHz
BPF
A_TX
A_RX
SOP0
SOP1
RF_BG
CC_COEX_SW_OUT
CC_COEX_BLE_IN
Coex IO
RF
Dual Band Ant. 1
Coex SPDT RF
SWITCH
Antenna Selection
SPDT RF Switch
Dual Band Ant. 2
ANT_SEL_1
ANT_SEL_2
57
CC3135
www.ti.com
SWAS037 – JANUARY 2019
Submit Documentation Feedback
Product Folder Links: CC3135
Applications, Implementation, and Layout
Copyright © 2019, Texas Instruments Incorporated
(1)
When selecting Autoselect via the API, a reset is required in order for the CC3135 device to determine the best antenna for use.
(2)
Refer to the UniFlash CC31xx, CC32xx SimpleLink™ Wi-Fi® and Internet-on-a chip™ Solution ImageCreator and Programming Tool
User's Guide for more information.
7.1.2
Antenna Selection
The CC3135 device is designed to also support antenna selection and is controlled from Image Creator.
When enabled, there are 3 options possible options:
ANT 1: When selected, the GPIOs that are defined for antenna selection with set the RF path for
antenna 1.
ANT 2: When selected, the GPIOs that are defined for antenna selection will set the RF path for
antenna 2.
Autoselect: When selected, during a scan and prior to connecting to an AP, CC3135 device will
determine the best RF path and select the appropriate antenna (1) (2). The result is the saved as port of
the profile.
Figure 7-5 shows the implementation of a complete Bluetooth® low energy and WLAN coexistence
network with the WLAN operating on either a 2.4- or a 5 GHz band with antenna selection. The SOP lines
control the 5 GHz switch. The Coex switch is controlled by a GPIO signal from the BLE device and a
GPIO signal from the CC3135 device. The Antenna switch is controlled by 2 GPIO lines from the CC3135
device.
Figure 7-5. Antenna Selection Solution with Coexistence Solution and 5 GHz Wi-Fi®


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