PageDateRevProjectFileXEROXCPE0102030405060708091011121314151617181920212223242526272829Look-ahead, Shift Ends, CinSU RegistersRH Register, stackPIB - Instruction Prefetch BufferXBus: LRotn, RH, ZeroHigh XXBus: IB, Constants, ErrIntstackPDispatch/BranchpNIA, pTC (Branching)TPC, TC, LinkSchedule, Switch, TasksError, Emulator, Kernel PromsClocks, Wait LogicControl Store Bank 0Control Store Bank 1Control Store Bank 2Control Store Parity Checking LogicIOP Data Out Multiplexor/DriversBank Register, NIA Register30CS Address Terminators & PullupsPROM Index & Font 4 MacrosGate Allocation & Spare PartsReference31DES Encryption LogicMicroinstruction registerMicroinstruction Decoding IMicroinstruction Decoding II3 = Gates325 = Sil.lb56 = Sil.lb67 = Sil.lb78 = CAS.lb832333435DES Data Sheet and Clock GeneratorDES Finite State MachinesDES Timing DiagramsDES FSM State Diagrams36DES Timing - Overview & Pipelining5/30/83General Purpose 8-bit portPARCAll files are kept on [Indigo]These drawings use the following [SIL] User.cm parameters:0 = Helvetica101 = Helvetica7D A N D E L I O N S C H E M A T I C Sw i t h&C e n t r a l P r o c e s s o rD E S E n c r y p t i o nPAGETITLETITLEPAGEBaDavid Boggs engineered the printed circuit board.Drawn byTitle PageIOP Data In Buffers, CS Write logicPC Odds & EndsDebugger Box Connector2901 ALUsTony West expanded the CS to 16K and added DES.Robert Garner implemented the design.Butler Lampson designed this processor.01PC Odds & EndsPC Odds & Endscontrol store bank 3 removed&3738394041Floating PointFloating Point: WTL1032Floating Point: WTL1033F l o a t i n g P o i n t CPE-FPT.sil1 2 K C o n t r o l S t o r eKuJtGrAGr>;Gr3Gr#Gr 9GrGrG+NXGNXGB>$ryNXGBA&?{=<%:{87%5{32%0z.-%+z)(%&z$#%!z*:B*:A&*:?{*:=*:<%*::{*:8*:7%?{= <%:{ 87%!0z.-% +z)(%$#%!z.A&#.?{ .=*:5{.<% B.8 u *:r3.7%5{32%t     *:r2%*:0z*:.*:-%.3".5{.0z.2%*:+z.."B.-%wVt)VO:3rY'\#k5WLkL#kLksUR_VW_!P*tEPEP.EPEP*:D{$D{$?WrVtO13urr &z#.+z.:{A& Vtk/V%V'Kr-"$!.$.#%!$#.xCrO *:)*:(%*:&z*:$*:#%.).(%.&zM_% VT N\f HELVETICA  HELVETICA HELVETICA HELVETICA HELVETICATj/ zS cpe-fpt.sil\4LQpQQ\4L#U$pQalee.es29-Aug-83 12:14:35