Chapter 14 fast ethernet controller (fec) – Freescale Semiconductor MPC5200B User Manual

Page 12

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Table of Contents

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Page

Number

Number

MPC5200B Users Guide, Rev. 1

Freescale Semiconductor

TOC-11

13.12.22

SDMA Initiator Priority 24 Register—MBAR + 0x1254 ...............................................................................13-17

13.12.23

SDMA Initiator Priority 28 Register—MBAR + 0x1258 ...............................................................................13-18

13.12.24

SDMA Requestor MuxControl—MBAR + 0x125C ......................................................................................13-19

13.12.25

SDMA task Size0—MBAR + 0x1260 ............................................................................................................13-21

13.12.26

SDMA task 0 & task Size 1 map ....................................................................................................................13-21

13.12.27

SDMA Reserved Register 1—MBAR + 0x1268 ............................................................................................13-22

13.12.28

SDMA Reserved Register 2—MBAR + 0x126C ...........................................................................................13-22

13.12.29

SDMA Debug Module Comparator 1, Value1 Register—MBAR + 0x1270 .................................................13-22

13.12.30

SDMA Debug Module Comparator 2, Value2 Register—MBAR + 0x1274 .................................................13-23

13.12.31

SDMA Debug Module Control Register—MBAR + 0x1278 ........................................................................13-23

13.12.32

SDMA Debug Module Status Register—MBAR + 0x127C ..........................................................................13-25

13.13

On-Chip SRAM .....................................................................................................................................................13-26

13.14

Programming Model ..............................................................................................................................................13-26

13.14.1

Task Table .......................................................................................................................................................13-26

13.14.1.1

Integer Mode .............................................................................................................................................13-28

13.14.1.2

Pack ..........................................................................................................................................................13-28

13.14.2

Variable Table .................................................................................................................................................13-28

Chapter 14 Fast Ethernet Controller (FEC)

14.1

Overview .................................................................................................................................................................14-1

14.1.1

Features .............................................................................................................................................................14-2

14.2

Modes of Operation .................................................................................................................................................14-3

14.2.1

Full- and Half-Duplex Operation ......................................................................................................................14-3

14.2.2

10Mbps and 100Mbps MII Interface Operation ...............................................................................................14-3

14.2.3

10Mbps 7-Wire Interface Operation .................................................................................................................14-3

14.2.4

Address Recognition Options ...........................................................................................................................14-3

14.2.5

Internal Loopback .............................................................................................................................................14-3

14.3

I/O Signal Overview ...............................................................................................................................................14-3

14.3.1

Detailed Signal Descriptions .............................................................................................................................14-4

14.3.1.1

MII Ethernet MAC-PHY Interface .............................................................................................................14-4

14.3.1.2

MII Management Frame Structure .............................................................................................................14-5

14.3.1.2.1

MII Management Register Set .............................................................................................................14-6

14.4

FEC Memory Map and Registers ............................................................................................................................14-6

14.4.1

Top Level Module Memory Map .....................................................................................................................14-7

14.4.2

Control and Status (CSR) Memory Map ..........................................................................................................14-7

14.4.3

MIB Block Counters Memory Map ..................................................................................................................14-8

14.5

FEC Registers—MBAR + 0x3000 ........................................................................................................................14-10

14.5.1

FEC ID Register—MBAR + 0x3000 ..............................................................................................................14-11

14.5.2

FEC Interrupt Event Register—MBAR + 0x3004 ..........................................................................................14-12

14.5.3

FEC Interrupt Enable Register—MBAR + 0x3008 ........................................................................................14-14

14.5.4

FEC Rx Descriptor Active Register—MBAR + 0x3010 ................................................................................14-14

14.5.5

FEC Tx Descriptor Active Register—MBAR + 0x3014 ................................................................................14-15

14.5.6

FEC Ethernet Control Register—MBAR + 0x3024 .......................................................................................14-16

14.5.7

FEC MII Management Frame Register—MBAR + 0x3040 ...........................................................................14-17

14.5.8

FEC MII Speed Control Register—MBAR + 0x3044 ....................................................................................14-18

14.5.9

FEC MIB Control Register—MBAR + 0x3064 .............................................................................................14-19

14.5.10

FEC Receive Control Register—MBAR + 0x3084 ........................................................................................14-20

14.5.11

FEC Hash Register—MBAR + 0x3088 ..........................................................................................................14-21

14.5.12

FEC Tx Control Register—MBAR + 0x30C4 ................................................................................................14-21

14.5.13

FEC Physical Address Low Register—MBAR + 0x30E4 .............................................................................14-22

14.5.14

FEC Physical Address High Register—MBAR + 0x30E8 .............................................................................14-23

14.5.15

FEC Opcode/Pause Duration Register—MBAR + 0x30EC ..........................................................................14-23

14.5.16

FEC Descriptor Individual Address 1 Registe—MBAR + 0x3118 ................................................................14-24

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