BCM20706 Data Sheet
Bluetooth Baseband Core
Bluetooth 4.1 Features
The BCM20706 supports the following Bluetooth v4.1 features:
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Secure connections (BR/EDR)
Fast advertising interval
Piconet clock adjust
Connectionless broadcast
LE privacy v1.1
Low duty cycle directed advertising
LE dual mode topology
Link Control Layer
The link control layer is part of the Bluetooth link control functions that are implemented in dedicated logic in the
link control unit (LCU). This layer consists of the command controller that takes commands from the software,
and other controllers that are activated or configured by the command controller, to perform the link control
tasks. Each task is performed in a different state or substate in the Bluetooth Link Controller.
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Major states:
– Standby
– Connection
Substates:
– Page
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– Page Scan
– Inquiry
– Inquiry Scan
– Sniff
– Adv
– Scan
Test Mode Support
The BCM20706 fully supports Bluetooth Test mode as described in Part I:1 of the Specification of the Bluetooth
System Version 3.0. This includes the transmitter tests, normal and delayed loopback tests, and reduced
hopping sequence.
In addition to the standard Bluetooth Test Mode, the BCM20706 also supports enhanced testing features to
simplify RF debugging and qualification and type-approval testing. These features include:
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Fixed frequency carrier wave (unmodulated) transmission
– Simplifies some type-approval measurements (Japan)
– Aids in transmitter performance analysis
Fixed frequency constant receiver mode
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– Receiver output directed to I/O pin
Broadcom®
Bluetooth SoC
May 19, 2016 • 20706-DS202-R
Page 10
BROADCOM CONFIDENTIAL
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