Jtag Interface - Analog Devices ADSP-21479 EZ-Board Manual

JTAG Interface

The DIP switches can disconnect the processor pins, which in turn are
connected to the push buttons and LEDs. See the respective switch section
in "ADSP-21479 EZ-Board Hardware Reference" on page
The state of the push buttons connected to the flag pins can be deter-
mined by reading the
DAI pins must be configured as interrupts. It is necessary to set up an
interrupt routine to determine each pin's state.
button and processor connections.
Table 1-4. Push Button Connections
PB Reference Designator
( )
SW8 PB1
( )
SW9 PB2
( )
SW10 PB3
( )
SW11 PB4
An example program is included in the ADSP-21479 installation directory
to demonstrate functionality of the LEDs and push buttons.
JTAG Interface
The JTAG connector (
connect a debug session to the ADSP-21479 processor. The debug agent
operates only when the external 5V wall adaptor (
The standalone debug agent can be replaced by an external emulator, such
as the Analog Devices high-performance USB-based emulator. Be careful
not to damage the connectors when removing the debug agent. The emu-
lator is connected to
and Session Startup" on page 1-5
Startup" on page 1-9
1-24
register. The push buttons connected to the
FLAG
Processor Pin
/
FLAG1 IRQ1
/
FLAG2 IRQ2
DAI_P19
DAI_P20
) allows the standalone debug agent module to
P1
on the back side of the board. See
P1
or "VisualDSP++ Install and Session
for more information.
ADSP-21479 EZ-Board Evaluation System Manual
Table 1-3
Connected via Switch
SW13.4
/
MS2 SW13.5
SW7.3
SW7.4
) is used.
P5
2-1.
shows the push
"CCES Install