RTL8100C & RTL8100CL
Datasheet
No.
Name
Type
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
3Fh MXLAT
R
0
0
1
0
0
0
0
0
40h–4Fh
RESERVED
50h
PMID
NextPtr
PMC
R
R
R
R
0
0
0
0
0
0
DSI
0
0
0
0
0
0
0
0
1
0
51h
52h
53h
Aux_I_b1 Aux_I_b0
Reserved PMECLK
Version
D1
PME_
D3cold
0
PME_
D3hot
PME_D2 PME_D1 PME_D0
D2
Aux_I_b2
54h
55h
PMCSR
R
W
R
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
Power State
Power State
-
-
PME_
Status
PME_
Status
PME_En
W
-
-
-
-
-
-
PME_En
56h–5Fh
60h
61h
RESERVED
VPDID
NextPtr
R
R
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
62h Flag VPD R/W VPDADD VPDADDR VPDADD VPDADD VPDADD VPDADD VPDADD VPDADD
Address
R7
6
R5
R4
R3
R2
R1
R0
63h
R/W
Flag
VPDADDR VPDADD VPDADD VPDADD VPDADD VPDADD VPDADD
14
R13
R12
R11
R10
R9
R8
64h VPD Data R/W
Data7
Data15
Data23
Data31
Data6
Data14
Data22
Data30
Data5
Data4
Data3
Data2
Data1
Data9
Data17
Data25
Data0
Data8
Data16
Data24
65h
66h
R/W
R/W
R/W
Data13
Data21
Data29
Data12
Data20
Data28
Data11
Data19
Data27
Data10
Data18
Data26
67h
68h-FFh
RESERVED
6.2. PCI Configuration Space Functions
The PCI configuration space is intended for configuration, initialization, and catastrophic error handling
functions. The functions of the RTL8100C(L)’s configuration space are described below.
VID: Vendor ID. This field defaults to a value of 10ECh (Realtek Semiconductor’s PCI Vendor ID).
DID: Device ID. This field defaults to a value of 8139h.
Command: The command register is a 16-bit register used to provide coarse control over a device’s ability
to generate and respond to PCI cycles.
Single-Chip Fast Ethernet Controller
39
Track ID: JATR-1076-21 Rev. 1.06
ETC [ ETC ]
