1.3.12. LED indicators

The CT-R4F has LED indicators for power and CT-R4F status. The LED functions are listed in Table 1.2.

Table 1.2. LED indictor functions

LEDReset stateFunction
D1OFFON when all ispClock generators and test chip PLLs are locked.
D2ONON when 4-wire serial interface is in reset.
D7ONON when 3V3 power is applied.


For details on LED indicators present on a Logic Tile and on an EB, see the documentation supplied with those products.

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