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Bluetooth ez-extender setup -4, Flash memory interface -4, Uart interface -4 – Analog Devices EZ-EXTENDER 82-000218-01 User Manual

Page 20: Bluetooth ez-extender setup, Uart interface

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1-4

Bluetooth EZ-Extender Manual

Figure 1-1

shows the default jumper and switch settings, connector loca-

tions, and LED used in installation. Confirm that your board is in the
default configuration before using the board.

Bluetooth EZ-Extender Setup

It is important to set up all components of the system containing the Blue-
tooth EZ-Extender and then apply power to the system. Power on your
system after the Bluetooth EZ-Extender has been connected to the
EZ-Board or EZ-KIT Lite. Do not install or remove the Bluetooth
EZ-Extender when power is applied to the EZ-Board or EZ-KIT Lite.

Flash Memory Interface

The Bluetooth EZ-Extender is equipped with an I

2

C serial flash memory

chip for data configuration. Flash memory is programmed by the factory.
For more information, refer to

“TWI Flash Address Configuration Jumper

(JP1)” on page 2-6

and

“TWI Flash Write Protect Jumper (JP2)” on

page 2-6

.

UART Interface

The UART interface is used for general communication between the pro-
cessor and WT12 Bluegiga Bluetooth module. The interface has a max
baud rate of 3.0 Mbaud. Flow control is supported via

SW1

. Refer to

“Configuration Switch” on page 2-3

for more information.