ST STM32L4 - Page 173

Bluetooth
®
Low Energy Branding
• Ultra low power consumption being a pure low energy
implementation
• Months to years of lifetime on a standard coin cell battery
173
Source: Bluetooth
®
SIG
Two flavors
2011
• Classic Bluetooth
®
+ Bluetooth
®
low energy on a single chip
• These are the hub devices of the Bluetooth
®
ecosystem
2017
Back to one flavor
• An implementation of the Bluetooth
®
core system has only
one Primary Controller which may be one of the following
configurations:
• BR/EDR Controller (3.0 and earlier)
• LE (low energy) Controller (4.0 and newer)
• Combined BR/EDR Controller portion and LE
controller portion into a single Controller (4.0 and
newer)