Philips Bluetooth QuickStart Kit User Manual

Page 25

Bluetooth QuickStart Kit Version 1.0 - User’s Guide

Page 25

5.4 Board Jumpers

There are six jumpers and one switch on the board. These are illustrated in Figure 18 and
explained in Table 3 below.

Figure 18 – Jumper Description

The table below explains the different jumpers.

J3 – DBGSEL

Enable or disable the LPC2106
JTAG interface

Jumper shorted = Enable JTAG

Jumper open =

JTAG not enabled (default
position)

J4 – RTCK

Some JTAG interfaces require the
JTAG signal RTCK to be
grounded. Please consult your
JTAG interface manual for details.

Jumper shorted = JTAG signal RTCK grounded

Jumper open =

JTAG signal RTCK is left
untouched (default position)

J5 – RTS

The application program has the
option of controlling the RTS/CTS
signals on the RS232 serial
channel, if needed.

If used, signal P0.23 is the RTS
signal and P0.23 must be an input.

Jumper shorted = Pin P0.23 act as RS232-RTS signal.

P0.23 must be an input.

Jumper open =

Pin P0.23 is free to be used for
other tasks (default position)

Automatic bootloader enabled

Automatic bootloader not enabled

J3
J4
J5
J6
J8

J10