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DP83848T Datasheet(PDF) 49 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # DP83848T
Description  Industrial Temperature Single Port 10/100 Ethernet Transceiver
PDF  72 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83848T Datasheet(HTML) 49 Page - National Semiconductor (TI)

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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 DP83848K. This bit is reserved in
DP83848T
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 DP83848K. This bit is reserved in
DP83848T 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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