Jtag Emulation Port; Switch Settings; Electret Microphone Select Switch (Sw6); Codec Setup Switch (Sw7) - Analog Devices ADSP-21262 EZ-KIT Lite Manual

Switch Settings

JTAG Emulation Port

The JTAG emulation port allows an emulator to access the processor's
internal and external memory through a 6-pin interface. The JTAG emu-
lation port of the processor is also connected to the USB debugging
interface. When an emulator connects to the board at
debugging interface is disabled. This is not the standard connection of the
JTAG interface.
For information about the standard connection of the interface, see EE-68
published on the Analog Devices Web site. For more information about
the JTAG connector, see
more about SHARC processor emulators, go to
http://www.analog.com/processors/tools/sharc
Switch Settings
Figure 2-4 shows the locations and default settings of the EZ-KIT Lite
switches.

Electret Microphone Select Switch (SW6)

To connect an electret microphone to the audio input, place all positions
of the switch
SW6
all of the switches are in the
the signal, and gain of the input amplifiers is changed from 1x to 10x.

Codec Setup Switch (SW7)

The codec setup switch (
the signals going to the AD1835A codec and to setup the communication
protocol of the codec.
2-8
"JTAG Header (ZP4)" on page
. The default position of this switch is all
ON
position, a DC offset of 2.5V is added to
ON
) can be used to change the routing of some of
SW7
ADSP-21262 EZ-KIT Lite Evaluation System Manual
, the USB
ZP4
2-21. To learn
.
. When
OFF