Datasheet

ADSP-BF609 EZ-KIT Lite Evaluation System Manual 2-23
ADSP-BF609 EZ-KIT Lite Hardware Reference
GPIO LEDs (LED1–4)
Four LEDs (LED1, LED2, LED3, and LED4) are connected to four gen-
eral-purpose I/O pins of the processor (see Table 2-15). The LEDs are
active high and lit (amber) by writing a “1” to the corresponding program-
mable flag signal.
Thermal Limit LED (LED5)
The thermal limit LED (LED5) reports the status of the thermal sensor,
ADM1032 (U54). The thermal sensor monitors the processor’s tempera-
ture. When the high temperature limit set by the IC is violated, LED5 is
turned on (amber) as a visual indicator. The ADM1032 device has
built-in hysteresis, which causes the LED to de-activate only when the
temperature is significantly within the limit. For more information, see
“Temperature Sensor Interface” on page 1-17.
Power LED (LED6)
When LED6 is lit solid (green), it indicates that power is being supplied to
the board properly.
Table 2-15. GPIO LEDs
LED Reference Designator Processor Programmable Flag Pin
LED1 PG14
LED2 PG15
LED3 PE14
LED4 PB11