TC11IB Datasheet, PDF (39/108 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC11IB
Ethernet Controller
The MAC controller implements the IEEE 802.3 and operates either at 100 Mbps or 10
Mbps. Figure 10 shows a global view of the Ethernet Controller module with the module
specific interface connections.
E th e rn e t
C o n tro lle r
FAST
FPI
(M /S )
DMUR RB
Port
C o n tro l
MAC
M II
DMUT TB
P2.15 / M II_RxER
P2.14 /
M II_RxD[3]
P2.13 /
M II_RxD[2]
P2.12 /
M II_RxD[1]
P2.11 /
M II_RxD[0]
P2.10 / M II_COL
P2.9 / M II_CRS
P2.8 / M II_RxDV
P2.6 / M II_M DC
P2.5 / M II_TxEN
P2.4 / M II_TxER
P2.3 / M II_TxD[3]
P2.2 / M II_TxD[2]
P2.1 / M II_TxD[1]
P2.0 / M II_TxD[0]
M II_TxCLK
M II_TxCLK
M II_TDIO
MCB04942
Figure 10 General Block Diagram of the Ethernet Controller
The Ethernet controller comprises the following functional blocks:
1. Media Access Controller (MAC)
2. Receive Buffer (RB)
3. Transmit Buffer (TB)
4. Data Management Unit in Receive Direction (DMUR)
5. Data Management Unit in Transmit Direction (DMUT)
Data Sheet
35
V2.3, 2003-11