21264/Ev67 Microprocessor Logic Symbol - Compaq 21264 Hardware Reference Manual

21264/EV67 Microprocessor Logic Symbol

Figure 3–1 21264/EV67 Microprocessor Logic Symbol
System 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
ClkIn_x
FrameClk_x
EV6Clk_x
3.3 V PLL_VDD
IRQ_H[5:0]
ClkFwdRst_H
SromData_H
Tms_H
Trst_L
Tck_H
Tdi_H
PllBypass_H
MiscVref
Reset_L
DCOK_H
Hardware Interface
3–2
21264
Bcache Interface
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
BcTagDirty_H
BcTagParity_H
BcTagShared_H
BcTagValid_H
BcTagOE_L
BcTagWr_L
BcLoad_L
Clocks
Miscellaneous
SromClk_H
SromOE_L
TestStat_H
Alpha 21264/EV67 Hardware Reference Manual
x
BcVref
Tdo_H
LK99-0051A