NEC Network Controller uPD98502 User Manual
CHAPTER 5 ETHERNET CONTROLLER
278
Preliminary User’s Manual S15543EJ1V0UM
Figure 5-1. Block Diagram of Ethernet Controller
TPO+
TPO–
TPI+
TPI–
Transceiver
M
II I/O
buf
fer
MAC
Core
Core
Ethernet Controller Block
FIFO
Cont.
Cont.
Tx
FIFO
Rx
FIFO
DMA
M
a
ster I/F
Slav
e I/F
IBUS
µµµµPD98502