PM0237 datasheet(29/88 Pages) STMICROELECTRONICS

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PM0237

Bluetooth low energy technology

Table 25. GAP discovery procedures

Procedure

Description

Notes

Role

Limited

discoverable

procedure

It is used for discovery

peripheral devices in limited

discovery mode

Device filtering is applied

based on Flags AD type

information

Central

General

discoverable

procedure

It is used for discovery

peripheral devices in

general ad limited discovery

mode

Device filtering is applied

based on Flags AD type

information

Central

Name discovery

procedure

It is the procedure for

retrieving the “Bluetooth

Device Name” from

connectable devices

Central

Table 26. GAP connection procedures

Procedure

Description

Notes

Role

Auto connection

establishment

procedure

Allows the connection with

one or more devices in the

directed connectable mode

or the undirected

connectable mode

It uses white lists

Central

General

connection

establishment

procedure

Allows a connection with a

set of known peer devices in

the directed connectable

mode or the undirected

connectable mode.

It supports private addresses

by using the direct connection

establishment procedure when

it detects a device with a

private address during the

passive scan.

Central

Selective

connection

establishment

procedure

Establish a connection with

the Host selected

connection configuration

parameters with a set of

devices in the White List.

It uses white lists and it scans

by this white list.

Central

Direct connection

establishment

procedure

Establish a connection with

a specific device using a

set of connection interval

parameters.

General and selective

procedures uses it.

Central

Connection

parameter update

procedure

Updates the connection

parameters used during the

connection.

Central

Terminate

procedure

Terminates a GAP

procedure

Central

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