Inc. Bluetooth Headset User Manual

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.