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DP83848M 데이터시트(PDF) 49 Page - National Semiconductor (TI)

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부품명 DP83848M
상세설명  PHYTER짰 Mini / PHYTER짰 Mini LS Commercial Temperature Single Port 10/100 Ethernet Tran
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제조업체  NSC [National Semiconductor (TI)]
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DP83848M 데이터시트(HTML) 49 Page - National Semiconductor (TI)

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49
7.2.5 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.
Table 23. LED Direct Control Register (LEDCR), address 0x18
Bit
Bit Name
Default
Description
15:6
RESERVED
0, RO
RESERVED: Writes ignored, read as 0.
5
DRV_SPDLED
0, RW
1 = Drive value of SPDLED bit onto LED_SPEED output
0 = Normal operation
Note: Available only in DP83848J. This bit is reserved in
DP83848M
4
DRV_LNKLED
0, RW
1 = Drive value of LNKLED bit onto LED_LINK output
0 = Normal operation
3
RESERVED
0
RESERVED:
Must be zero.
2
SPDLED
0, RW
Value to force on LED_SPEED output
Note: Available only in DP83848J. This bit is reserved in
DP83848M and must be zero
1
LNKLED
0, RW
Value to force on LED_LINK output
0
RESERVED
0
RESERVED:
Must be zero.



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