user manual

Software Developer’s Manual 9
Architectural Overview
Figure 2-3 shows the external interfaces to the 82547GI/EI.
Figure 2-3. 82547GI(EI) External Interface
VLA
N
PCI Core EEPROM FLASH
Slave
Access
Logic
DMA Function
Descriptor Management
Control
Status
Logic
Statistics
TX/RX MAC
CSMA/CD
40KB
Packet
RAM
RX Filters
(Perfect,
Multicast,
VLAN)
Management
Interface
PHY
Control
Side-stream
Scrambler/
Descrambler
Media Dependent Interface
ECHO, NEXT,
FEXT
Cancellers
Trellis Viterbi
Encoder/Decoder
Line DriverHybrid
Pulse Shaper,
DAC, Filter
AGC, A/D
Timing
Recovery
4DPAM5
Encoder
8 bits
8 bits
4 bits
4 bits
CSA Port