ST STM32L4 - Page 174

Bluetooth
®
Low Energy Stack Partitioning
174
Application &
Bluetooth
®
Low Energy Profiles
BLUETOOTH
®
LOW ENERGY STACK
GAP GATT
SM ATT
L2CAP
BLUETOOTH
®
LOW ENERGY PHY
Host Controller Interface
PHY Layer
• The application collects & computes
the data to be transmitted over
Bluetooth® Low Energy.
• Data transmission and reception
uses the Bluetooth
®
Low Energy
stack services and characteristics
capabilities thanks to standard or
proprietary application profile.
• All low energy communication
occurs within the Generic Attribute
Profile (GAP). PHY layer insures
transmission over the air