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AT697F Datasheet(PDF) 91 Page - ATMEL Corporation |
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AT697F Datasheet(HTML) 91 Page - ATMEL Corporation |
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91 / 155 page  AT697F ADVANCE INFORMATION 91 7703C–AERO–6/09 System Registers Table 54. Product Configuration Register - PCR Address = 0x80000024 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 wtpnb[2:0] nwindows[4:0] icsz[2:0] ilsz[2:0] dcsz[2:0] dlsz[1:0] fpu[1:0] pci[1:0] wprt[1:0] r/w r r r r r r r r r r r r/w r r r r x 1 1 100 0 00111 100 11 100 11 1 1 x 1 01 01 01 Bit Number Mnemonic Description 30 dsu Debug Support Unit present “0” = disabled “1” = present 29 sdrctrl SDRAM controller present “0” = disabled “1” = present 28..26 wtpnt[2:0] Number of implemented watchpoints (0 - 4) 25 imac UMAC/SMAC instruction implemented 24..20 nwindows[4:0] Number of register windows. The implemented number of SPARC register windows - 1 19..17 icsz[2:0] Instruction cache size. The size (in Kbytes) of the instruction cache. Cache size = 2^(icsz). 16..15 ilsz[2:0] Instruction cache line size. The line size (in 32-bit words) of each line. Line size = 2^(ilsz). 14..12 dcsz[2:0] Data cache size. The size (in kbytes) of the data cache. Cache size = 2^(dcsz). 11..10 dlsz[1:0] Data cache line size. The line size (in 32-bit words) of each line. Line size = 2^(dlsz). 9 divinst UDIV/SDIV instruction implemented 8 mulinst UMUL/SMUL instruction implemented 6 memstat Memory status and failing address register present 5..4 fpu[1:0] FPU type 3..2 pci[1:0] PCI core type 1..0 wprt[1:0] Write protection type |
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