GPIO LEDs (LED1–3)
Three LEDs connect to three general-purpose I/O pins of the processor
(see
Table
2-9). The LEDs are active high and lit by writing a '
correct programmable flag signal.
Table 2-9. GPIO LEDs
LED Reference Designator
LED1
LED2
LED3
Reset LED (LED9)
When
is lit, it indicates that the master reset of all major ICs is
LED9
active. The reset LED is controlled by the Analog Devices ADM708
supervisory reset circuit. You can assert the reset push button (
assert a master reset and activate
Push Button (SW11)" on page 2-11.
Power LED (LED13)
When
is lit solid, it indicates that the board is powered.
LED13
Speed LED (LED14)
When
is lit, the Ethernet PHY device operates at 100 Mbs. When
LED14
the LED is
OFF
ADSP-BF518F EZ-Board Evaluation System Manual
ADSP-BF518F EZ-Board Hardware Reference
Processor Programmable Flag Pin
PH3
PH5
PH6
LED9
, the PHY device operates at 10 Mbs.
.
For more information, see "Reset
' to the
1
) to
SW11
2-19
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