Reset Leds (Led2, Led3); Telephony Leds (Led6-4); Usb Monitor Led (Led7); Programmable Flag Leds (Led10-8) - Analog Devices ADSP-2191 EZ-KIT Lite Manual

LEDs and Push Buttons

Reset LEDs (LED2, LED3)

When is lit, the master reset for all the major ICs is active. Therefore,
LED2
the ADSP-2191 processor (
AD1803 ( ) are being reset.
U11
When is lit, the ADSP-2191 (
LED3
resets the ADSP-2191 during USB communication initialization.
Telephony LEDs (LED6–4)
Three LEDs connect to the AD1803 telephony codec.
AD1803 is transmitting serial data to the processor's
that the AD1803 is receiving serial data from the processor.
grammable flag connected to
AD1803 codec. For more information about the AD1803, refer to
Telephony Interface" on page

USB Monitor LED (LED7)

The USB Monitor LED (
been initialized successfully and you can connect to the processor by using
a VisualDSP++ EZ-KIT Lite session. If the LED does not light, try reset-
ting the board, reinstalling the USB driver (see
USB Driver" on page
Programmable Flag LEDs (LED10–8)
Four LEDs are connected to four of the processor's Programmable Flag
(PF) pins,
PF3–0
" " from the processor. Refer to
1
page 2-3 for more information on how the flags can be used to program
the processor.
3-12
), CY7C64603 (
U1
, one of the general-purpose pins of the
G[5]
3-4.
) indicates that USB communication has
LED7
1-7), or both.
. These LEDs are active
"Using Programmable Flag Pins" on
ADSP-2191 EZ-KIT Lite Evaluation System Manual
), AD1885 (
U3
) is being reset. The USB interface
U1
LED4
SPORT1
"Installing EZ-KIT Lite
and are lit by an output of
HIGH
), and
U10
indicates that the
. indicates
LED5
is a user pro-
LED6
"SPORT1