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CP6006-SA – User Guide, Rev. 0.5 Preliminary
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3.3.8. LED Control Register (LCTRL)
The LED Control Register enables the user to switch on and off the front panel General Purpose LEDs.
Table 39: LED Control Register (LCTRL)
ADDRESS 0x291
BIT 7 6 5 4 3 2 1 0
NAME LCMD LCOL
ACCESS R/W R/W
RESET 0000 0000
BITFIELD DESCRIPTION
7..4 LCMD LED command:
0000 = Get LED0 1000 = Set LED0
0001 = Get LED1 1001 = Set LED1
0010 = Get LED2 1010 = Set LED2
0011 = Get LED3 1011 = Set LED3
0100 - 0111 = Reserved
1100 - 1111 = Reserved
3..0 LCOL LED color:
0000 = Off
0001 = Green
0010 = Red
0011 = Red+Green
0100 - 1111 = Reserved
The LED Control Register can only be used if the General Purpose LEDs indicated in the “LED
Configuration Register” (see Table 38) are configured in General Purpose Mode.
3.3.9. General Purpose Output Register (GPOUT)
The General Purpose Output Register holds the general purpose output signals of the rear I/O CompactPCI
connectors.
Table 40: General Purpose Output Register (GPOUT)
ADDRESS 0x292
BIT 7 6 5 4 3 2 1 0
NAME Reserved GPO3 GPO2 GPO1 GPO0
ACCESS R R/W R/W R/W R/W
RESET 0000 0 0 0 00
BITFIELD DESCRIPTION
3..0 GPO3..0 General purpose output signals:
0 = Output low
1 = Output high