DP83848J_07 NSC [National Semiconductor], DP83848J_07 Datasheet - Page 53
DP83848J_07
Manufacturer Part Number
DP83848J_07
Description
Manufacturer
NSC [National Semiconductor]
Datasheet
1.DP83848J_07.pdf
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7.2.6 LED Direct Control Register (LEDCR)
This register provides the ability to directly control the LED outputs. It does not provide read access to the LEDs.
15:6
Bit
5
4
3
2
1
0
DRV_SPDLED
DRV_LNKLED
RESERVED
RESERVED
RESERVED
Bit Name
SPDLED
LNKLED
Table 26. LED Direct Control Register (LEDCR), address 0x18
Default
0, RW
0, RW
0, RW
0, RW
0, RO
0
0
RESERVED: Writes ignored, read as 0.
1 = Drive value of SPDLED bit onto LED_SPEED output
0 = Normal operation
1 = Drive value of LNKLED bit onto LED_LINK output
0 = Normal operation
RESERVED:
Must be zero.
Value to force on LED_SPEED output
Value to force on LED_LINK output
RESERVED:
Must be zero.
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