TC1130_08 Datasheet, PDF (62/114 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1130
Functional Description
3.17 Ethernet Controller
The MAC controller implements the IEEE 802.3 and operates either at 100 Mbit/sec or
10 Mbit/sec. Figure 3-13 shows a global view of the Ethernet Controller module with the
module specific interface connections.
Ethernet
Controller
FPI
(M/S)
DMUR RB
MAC
MII
Port
Control
DMUT TB
P1.14 / MII_RxER
P1.13 / MII_RxD[3]
P1.12 / MII_RxD[2]
P1.11 / MII_RxD[1]
P1.10 / MII_RxD[0]
P1.9 / MII_COL
P1.8 / MII_CRS
P1.7 / MII_RxDV
P1.6 / MII_MDC
P1.5 / MII_TxEN
P1.4 / MII_TxER
P1.3 / MII_TxD[3]
P1.2 / MII_TxD[2]
P1.1 / MII_TxD[1]
P1.0 / MII_TxD[0]
MII_TxCLK
MII_TxCLK
MII_TDIO
MCB04942mod
Figure 3-13 General Block Diagram of the Ethernet Controller
The Ethernet controller comprises the following functional blocks:
• Media Access Controller (MAC)
• Receive Buffer (RB)
• Transmit Buffer (TB)
• Data Management Unit in Receive Direction (DMUR)
• Data Management Unit in Transmit Direction (DMUT)
Data Sheet
56
V1.1, 2008-12