RTL8139C Ver la hoja de datos (PDF) - Realtek Semiconductor
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RTL8139C
Realtek Semiconductor
RTL8139C Datasheet PDF : 62 Pages
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RTL8139C(L)
6.10 CONFIG 0: Configuration Register 0
(Offset 0051h, R/W)
Bit
R/W
Symbol
7
R
SCR
6
R
PCS
5
R
T10
4-3
R
PL1, PL0
2-0
R
BS2, BS1, BS0
Description
Scrambler Mode: Always 0.
PCS Mode: Always 0.
10 Mbps Mode: Always 0.
Select 10 Mbps medium type: Always (PL1, PL0) = (1, 0)
Select Boot ROM size
BS2
BS1
BS0
Description
0
0
0
No Boot ROM
0
0
1
8K Boot ROM
0
1
0
16K Boot ROM
0
1
1
32K Boot ROM
1
0
0
64K Boot ROM
1
0
1
128K Boot ROM
1
1
0
unused
1
1
1
unused
2002/01/10
20
Rev.1.4
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