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