OpenCores Specifications Template 1/25/2006
www.opencores.org Rev 0.8 Preliminary v
Contents
INTRODUCTION.........................................................................................................1
BLOCK DIAGRAM ..........................................................................................................3
CLOCK DISTRIBUTION...................................................................................................4
OPERATION................................................................................................................5
CONFIG OPTAIONAL MODULES ......................................................................................5
VERIFICATION..............................................................................................................5
REG DESCRIPTION.................................................................................................10
REGISTER LIST ..........................................................................................................10
WATER MARK ............................................................................................................11
FLOW CONTROL.........................................................................................................11
IFG ...........................................................................................................................13
FULL DUPLEX.............................................................................................................13
TARGET MAC ADDRESS............................................................................................13
BROADCAST_FILTER..................................................................................................14
RX_APPEND_CRC..................................................................................................14
CRC_CHK_EN............................................................................................................15
PACKET LENGTH RESTRICT .........................................................................................15
STATISTIC COUNTERS(NEED ADD ONE ADDRESS FOR 32BIT WIDTH DOUT).....................15
CLOCKS.....................................................................................................................18
IO PORTS...................................................................................................................19
PHY INTERFACE .......................................................................................................19
Gigabit Media Independent Interface (GMII/MII) .............................................19
USER INTERFACE ........................................................................................................21
HOST INTERFACE........................................................................................................22
APPENDIX A..............................................................................................................23
INDEX..........................................................................................................................24
