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• 3.3/5V LED – In auto detection mode, this LED signifies that a
target VDDIO of 3.3V or 5V has been detected on the JTAG
header (pin 5) on the processor target board, and the HPPCI-ICE
drives all signals at 3.3V compliant levels. In legacy mode, this
LED is powered automatically, and pin 5 of the JTAG header on
the target board is not used to detect the target VDDIO voltage.
• ENABLE – This LED is turned on when a VisualDSP++ debug
session is running. This LED shuts off every time the VisualDSP++
session is closed. When this LED is off, it signifies all outputs of
the pod logic connected to the target have been three-stated.
Three-stating the outputs of the pod when VisualDSP++ is inactive
prevents the target processor from entering an unknown state dur-
ing the target power up sequencing.
Board LEDs
Figure 2-2. Board LEDs
HPUSB, USB, and HPPCI Emulators User's Guide
Hardware Description
2-3
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