Compaq 21264 Network Card User Manual


 
3–2 Hardware Interface
21264/EV68A Hardware Reference Manual
21264/EV68A Microprocessor Logic Symbol
Figure 3–1 21264/EV68A Microprocessor Logic Symbol
21264
System Interface
Bcache Interface
SysAddIn_L[14:0]
SysAddInClk_L
SysAddOut_L[14:0]
SysAddOutClk_L
SysVref
SysData_L[63:0]
SysCheck_L[7:0]
SysDataInClk_H[7:0]
SysDataOutClk_L[7:0]
SysDataInValid_L
SysDataOutValid_L
SysFillValid_L
BcAdd_H[23:4]
BcData_H[127:0]
BcCheck_H[15:0]
BcDataInClk_H[7:0]
BcDataOutClk_[3:0]
BcDataOE_L
BcDataWr_L
BcTag_H[42:20]
BcTagInClk_H
BcTagOutClk_x
BcVref
BcTagDirty_H
BcTagParity_H
BcTagShared_H
BcTagValid_H
BcTagOE_L
BcTagWr_L
BcLoad_L
Clocks
2.5 V
ClkIn_x
FrameClk_x
EV6Clk_x
PLL_VDD
SromClk_H
SromOE_L
TestStat_H
Tdo_H
Miscellaneous
IRQ_H[5:0]
ClkFwdRst_H
SromData_H
Tms_H
Trst_L
Tick_H
Tdi_H
PllBypass_H
MiscVref
Reset_L
DCOK_H
FM-
056
4
6b