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PC7447AMGH1000LB データシート(PDF) 2 Page - ATMEL Corporation |
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PC7447AMGH1000LB データシート(HTML) 2 Page - ATMEL Corporation |
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2 / 44 page  Additional Features • Time Base Counter/Decrementer Clock Multiplier JTAG/COP Interface Thermal/Power Management Performance Monitor Dynamic Frequency Switching (DFS) Temperature Dioder + x ÷ FPSCR FPSCR PA + x ÷ Instruction Unit Instruction Queue (12-Word) 96-Bit (3 Instructions) Reservation 32-Bit Floating- Point Unit 64-Bit Load/Store Unit (EA Calculation) Finished 32-Bit Completion Unit (16-Entry) 36-bit 64-bit Stations (2) FPR File 16 Rename Buffers GPR File 16 Rename Buffers VR File 16 Rename Buffers 64-Bit 128-Bit 128-Bit Completes up SRs (Shadow) 128-Entry ITLB Stores Load Miss CTR LR Vector Touch Engine 32-Bit EA L1 Castout Status L2 Store Queue (L2SQ) Vector FPU Vector Integer Unit 1 Vector Integer Unit 2 Vector Permute Unit Status Block 1 (32-Byte) Memory Subsystem Snoop Push/ Interventions L1 Castouts Bus Accumulator L1 Push (4) to three per clock instructions L1 Load Queue (LLQ) L1 Load Miss (5) Instruction Fetch (2) Cacheable Store Request (1) L1 Service Queues L1 Store Queue (LSQ) L2 Prefetch (3) Address Bus Data Bus Castout Queue (9) / Push Queue (10)2 Bus Store Queue Load Queue (11) Completion Queue Reservation Station Reservation Station Reservation Station Reservation Station Branch Processing Unit BTIC (128-Entry) BHT (2048-Entry) VR Issue (4-Entry/2-Issue) GPR Issue (6-Entry/3-Issue) FPR Issue (2-Entry/1-Issue) Fetcher Dispatch Unit Instruction MMU IBAT Array Data MMU DBAT Array 128-Bit (4 Instructions) Tags 32-Kbyte I Cache 32-Kbyte D Cache Tags SRs (Original) 128-Entry DTLB Reservation Stations (2-Entry) Vector Touch Queue Completed Stores 512-Kbyte Unified L2 Cache Controller Line Tags Block 0 (32-Byte) System Bus Interface Notes: The castout queue and push queue share resources such for a combined total of entries. The castout queue itself is limited to 9 entries, ensuring 1 entry will be available for a push. Integer Unit 2 Reservation Stations (2) Reservation Station Integer Unit 1 (3) + |
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