LMX9830SMX National Semiconductor, LMX9830SMX Datasheet - Page 38
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LMX9830SMX
Manufacturer Part Number
LMX9830SMX
Description
Manufacturer
National Semiconductor
Datasheet
1.LMX9830SMX.pdf
(46 pages)
Specifications of LMX9830SMX
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14.3 SCENARIO 3: POINT-TO-MULTIPOINT
CONNECTION
LMX9830 acts as master for several slaves.
Example: Two sensors with LMX9830; one hand-held device
with implemented LMX9830.
Serial Devices #2 and #3 establish the link automatically as
soon as they are contacted by another device. No controller
interaction is necessary for setting up the Bluetooth link. Both
switch automatically into Transparent mode. The host sends
raw data over the UART.
FIGURE 18. Automatic Point-to-Point Connection
38
Serial Device #1 is acting as master for both devices. As the
host has to decide to or from which device data is coming
from, data must be sent using the “Send data command”. If
the device receives data from the other devices, it is packaged
into an event called “Incoming data event”. The event includes
the device related port number.
If necessary, a link configuration can be stored as default in
the master Serial Device #1 to enable the automatic recon-
nect after reset, power-up, or by sending the “connect default
connection” command.
20180026
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