AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 193
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AM79C976
Manufacturer Part Number
AM79C976
Description
PCnet-PRO 10/100 Mbps PCI Ethernet Controller
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C976.pdf
(309 pages)
- Current page: 193 of 309
- Download datasheet (3Mb)
Bit
31-0
Bit
31-16
15-12
11-1
0
Bit
31-16
15-12
8/01/00
Name
RES
Name
RES
PARTIDL
MANFID
ONE
Name
RES
VER
zeros and read as undefined.
controller part number, i.e. 1000b
(8h). PARTIDN and PARTIDL
comprise the 16-bit code for the
Am79C976 controller, which is
0010 0110 0010 1000b (2628h).
This register is exactly the same
as the Device ID register in the
JTAG description. However, this
part number is different from that
stored in the Device ID register in
the PCI configuration space.
PARTIDL is read only. Write op-
erations are ignored.
ufacturer
00000000001b. This code is per
the JEDEC Publication 106-A.
Note that this code is not the
same as the Vendor ID in the PCI
configuration space.
MANFID is read only. Write oper-
ations are ignored.
ONE is read only. Write opera-
tions are ignored.
defined.
con-revision dependent.
VER is read only. Write opera-
tions are ignored.
Reserved locations. Written as
Reserved locations.
Read as undefined.
Lower 4 bits of the Am79C976
Manufacturer ID. The 11-bit man-
Always a logic 1.
Reserved locations. Read as un-
Version. This 4-bit pattern is sili-
Description
Description
Description
code
for
P R E L I M I N A R Y
AMD
Am79C976
is
11-0
Bit
31-0
Bit
31-16 RES
15-0
Bit
31-0
Bit
31-16 RES
15-0
Bit
31-0
Bit
31-16 RES
15-0
Bit
PARTIDU
Name
RES
Name
MERRTO
Name
RES
Name
MFC
Name
RES
Name
RCC
Name
PARTIDU is read only. Write op-
erations are ignored.
controller part number, i.e., 0010
0110 0010b (262h).
zeros and read as undefined.
zeros and read as undefined.
Obsolete function. Writing has no
effect. Read as undefined.
zeros and read as undefined.
zeros and read as undefined.
MIB counter. Writing has no ef-
fect. Read as undefined.
zeros and read as undefined.
zeros and read as undefined.
Obsolete function. Replaced by
MIB counter. Writing has no ef-
fect. Read as undefined.
Upper 12 bits of the Am79C976
Description
Reserved locations. Written as
Description
Reserved locations. Written as
Description
Reserved locations. Written as
Description
Reserved locations. Written as
Obsolete function. Replaced by
Description
Reserved locations. Written as
Description
Reserved locations. Written as
Description
193
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