2 detailed memory map (control/status registers), Detailed memory map (control/status registers) -7 – Freescale Semiconductor MCF5480 User Manual
Page 937

Memory Map/Register Definition
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor
30-7
30.3.2
Detailed Memory Map (Control/Status Registers)
shows the FEC register memory map with each register address, name, and a brief description.
Table 30-5. FEC Register Memory Map
MBAR
Offset for
FEC0
MBAR
Offset for
FEC1
Name
Byte 0
Byte 1
Byte 2
Byte 3
0x9000
0x9800
Reserved
0x9004
0x9804
Ethernet Interrupt Event Register
EIR
0x9008
0x9808
Ethernet Interrupt Mask Register
EIMR
0x900C–
0x9020
0x980C–
0x9820
Reserved
0x9024
0x9824
Ethernet Control Register
ECR
0x9028–
0x903C
0x9828–
0x983C
Reserved
0x9040
0x9840
MII Data Register
MDATA
0x9044
0x9844
MII Speed Control Register
MSCR
0x9048–
0x9060
0x9848–
0x9860
Reserved
0x9064
0x9864
MIB Control/Status Register
MIBC
0x9068–
0x9080
0x9068–
0x9880
Reserved
0x9084
0x9884
Receive Control Register
RCR
0x9088
0x9888
Receive Hash Register
RHR
0x908C–
0x90C0
0x988C–
0x98C0
Reserved
0x90C4
0x98C4
Transmit Control Register
TCR
0x90C8–
0x90E0
0x98C8–
0x98E0
Reserved
0x90E4
0x98E4
Physical Address Low Register
PALR
0x90E8
0x98E8
Physical Address High Register
PAHR
0x90EC
0x98EC
Opcode / Pause Duration Register
OPD
0x90F0–
-0x9114
0x98F0–
-0x9814
Reserved
0x9118
0x9918
Individual Address Upper Register
IAUR
0x911C
0x991C
Individual Address Lower Register
IALR
0x9120
0x9920
Group Address Upper Register
GAUR
0x9124
0x9924
Group Address Lower Register
GALR