AM79C978 Advanced Micro Devices, AM79C978 Datasheet - Page 129
AM79C978
Manufacturer Part Number
AM79C978
Description
Single-Chip 1/10 Mbps PCI Home Networking Controller
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C978.pdf
(261 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AM79C978AKC/W
Manufacturer:
AMD
Quantity:
20 000
Company:
Part Number:
AM79C978AKCW
Manufacturer:
AMD
Quantity:
6 605
- Current page: 129 of 261
- Download datasheet (4Mb)
15-0
CSR20: Current Transmit Buffer Address Lower
Bit
31-16
15-0
CSR21: Current Transmit Buffer Address Upper
Bit
31-16
15-0
CSR22: Next Receive Buffer Address Lower
Bit
31-16
15-0
CRBAU
Name
RES
CXBAL
Name
RES
CXBAU
Name
NRBAL
RES
current receive buffer address at
which the Am79C978 controller
will store incoming frame data.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
zeros and read as undefined.
current transmit buffer address
from which the Am79C978 con-
troller is transmitting.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
zeros and read as undefined.
current transmit buffer address
from which the Am79C978 con-
troller is transmitting.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
next receive buffer address to
which the Am79C978 controller
will store incoming frame data.
These bits are read/write acces-
sible only when either the STOP
Contains the upper 16 bits of the
Description
Reserved locations. Written as
Contains the lower 16 bits of the
Description
Reserved locations. Written as
Contains the upper 16 bits of the
Description
Reserved locations. Written as
zeros and read as undefined.
Contains the lower 16 bits of the
Am79C978
CSR23: Next Receive Buffer Address Upper
Bit
31-16 RES
15-0
CSR24: Base Address of Receive Ring Lower
Bit
31-16 RES
15-0
CSR25: Base Address of Receive Ring Upper
Bit
31-16 RES
15-0
CSR26: Next Receive Descriptor Address Lower
Bit
31-16 RES
Name
NRBAU
Name
BADRL
Name
BADRU
Name
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
These bits are read/write acces-
sible only when either the STOP
or the SPND bit is set. These bits
are unaffected by H_RESET,
S_RESET, or STOP.
Description
zeros and read as undefined.
next receive buffer address to
which the Am79C978 controller
will store incoming frame data.
Description
zeros and read as undefined.
Contains the lower 16 bits of the
base address of the Receive
Ring.
Description
zeros and read as undefined.
Contains the upper 16 bits of the
base address of the Receive
Ring.
Description
zeros and read as undefined.
Reserved locations. Written as
Contains the upper 16 bits of the
Reserved locations. Written as
Reserved locations. Written as
Reserved locations. Written as
129
Related parts for AM79C978
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [8 Megabit (512 K x 16-Bit) CMOS 3.0 Volt-only Burst Mode Flash Memory]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
M41000001YAdvanced Micro Devices [32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Burst Error Processor
Manufacturer:
Advanced Micro Devices
Part Number:
Description:
Serial interface adapter (SIA)
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Universal interrupt controller
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
256 kilobit CMOS EPROM
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
2048 x 8 static RAM, 100ns
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
AM2966PCOctal Dynamic Memory Drivers with Three-State Outputs
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
TTL programmable array logic, 7ns
Manufacturer:
Advanced Micro Devices
Datasheet: