am79c982 Advanced Micro Devices, am79c982 Datasheet - Page 2

• Manufacturer Part Number: am79c982
• Description: Basic Integrated Multiport Repeater Bimr
• Manufacturer: Advanced Micro Devices

BLOCK DIAGRAM
RELATED AMD PRODUCTS
1–4
Part No.
Am79C98
Am79C100
Am7996
Am79C981
Am79C987
Am79C940
Am79C90
Am79C900
Am79C960
Am79C961
Am79C965
Am79C970
Am79C974
RXD
RXD
TXD
TXD
TXP
TXP
DO
Note: n=3 for Am79C982-4 and n=7 for Am79C982-8.
RST
DI
CI
X 2
X 1
AMD
(Note)
Port n
Reset
Clock
Gen
Port
Port
AUI
TP
TP
Description
Twisted Pair Ethernet Transceiver (TPEX)
Twisted Pair Ethernet Transceiver Plus (TPEX+)
IEEE 802.3/Ethernet/Cheapernet Transceiver
Integrated Multiport Repeater Plus (IMR+)
Hardware Implemented Management Information Base (HIMIB )
Media Access Controller for Ethernet (MACE )
CMOS Local Area Network Controller for Ethernet (C-LANCE)
Integrated Local Area Communications Controller (ILACC )
PCnet-ISA Single-Chip Ethernet Controller (for ISA bus)
PCnet-ISA
PCnet-32 Single-Chip 32-Bit Ethernet Controller
PCnet-PCI Single-Chip Ethernet Controller (for PCI bus)
PCnet-SCSI Combination Ethernet and SCSI Controller for PCI Systems
0
+
Single-Chip Ethernet Controller for ISA (with Microsoft Plug n’ Play Support)
MUX
RX
Manchester
Encoder
Manchester
PRELIMINARY
Locked
Phase =
Decoder
Loop
Am79C982
bIMR Chip
Partitioning
Link Test
Control
Timers
Control
FIFO
FIFO
Jam Sequence
Preamble
Expansion Port
Management
Test
Port
and
MUX
TX
19406B-1
REQ
SO
TEST
CRS
STR
ACK
COL
DAT
JAM
SI
SCLK