LEDs
2-18
ADSP-CM403F EZ-KIT Lite Evaluation System Manual
GPIO LEDs (LED1–3)
Three LEDs are connected to the general-purpose I/O pins of the proces-
sor (see
). The LEDs are active high and are
ON
(amber) by
writing a
1
to the correct processor signal.
Reset LED (LED4)
When
LED4
is
ON
(red), it indicates that the master reset of all the major
ICs is active. The reset LED is controlled by the Analog Devices ADM708
supervisory reset circuit. A master reset is asserted by pressing
SW2
which
activates
LED4
. For more information, see
.
Power LED (LED5)
When
LED5
is
ON
(green), it indicates that power is being supplied to the
board properly. For more information, see
.
SYS_FAULT LED (LED6)
When
LED6
is
ON
(red), it indicates a system fault. For more information,
refer to the
ADSP-CM40x Mixed-Signal Control Processor Hardware
Reference
.
Table 2-7. GPIO LEDs
LED Reference Designator
Processor Programmable Flag Pin
LED1
PB_15
LED2
PB_04
LED3
PB_05