MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
14-2
Freescale Semiconductor
14.1.1
Block Diagram
The block diagram of the FEC is shown below. The FEC is implemented with a combination of hardware
and microcode. The off-chip (Ethernet) interfaces are compliant with industry and IEEE
802.3 standards.
Figure 14-1. FEC Block Diagram
Slave Interface
CSR
FIFO
DMA
Descriptor
Controller
MII
Receive
Transmit
Bus
Controller
Controller
FEC_MDC
FEC_MDIO
FEC_RX_CLK
FEC_RX_DV
FEC_RXD[3:0]
FEC_RX_ER
FEC_TX_CLK
FEC_TX_EN
FEC_TXD[3:0]
FEC_TX_ER
FEC_CRS
MIB
(RISC +
microcode)
I/O
PAD
Counters
MII/7-WIRE DATA
OPTION
RAM
RAM I/F
FEC Bus
System Bus Crossbar Switch (XBAR)
PBRIDGE_B
Mas
ter
FEC Block
MDO
MDEN
MDI
FEC_COL
Summary of Contents for MPC5553
Page 5: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 2 Freescale Semiconductor...
Page 21: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 xvi Freescale Semiconductor...
Page 47: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 1 26 Freescale Semiconductor...
Page 163: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 4 20 Freescale Semiconductor...
Page 179: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 5 16 Freescale Semiconductor...
Page 561: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 13 38 Freescale Semiconductor...
Page 615: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 14 54 Freescale Semiconductor...
Page 707: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 17 68 Freescale Semiconductor...
Page 755: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 18 48 Freescale Semiconductor...
Page 873: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 19 118 Freescale Semiconductor...
Page 984: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 Freescale Semiconductor 21 41...
Page 985: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 21 42 Freescale Semiconductor...
Page 1019: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 22 34 Freescale Semiconductor...
Page 1129: ...MPC5553 MPC5554 Microcontroller Reference Manual Rev 5 25 90 Freescale Semiconductor...