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AT697F Datasheet(PDF) 117 Page - ATMEL Corporation |
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AT697F Datasheet(HTML) 117 Page - ATMEL Corporation |
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117 / 155 page ![]() Bit Number Mnemonic Description 12 sys Value of the SYSEN* pin 0 : Host mode 1 : Satellite mode 11..8 dmas[3:0] DMA state 7 act PCI core active 1 = active 0 = inactive 6 ff If set 1, the transmitter fifo is full 5 xfe If set 1, the transmitter fifo is empty 4 rfe If set 1, the receiver fifo is empty 3..0 ss[3:0] Slave status Table 104. PCI Initiator Configuration - PCIIC Address = 0x80000158 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 reserved reserved r/w r/w r/w r/w 0x0000 00 01 00000 0 Bit Number Mnemonic Description 7.6 commsb[1:0] Specifies the two most significant bits of the command used by AHB slave interface. ‘00’ = IO write ‘01’ = memory read/write ‘10’ = configuration read/write ‘11’ = mem-read-line/write-invalidate 0 mod PCI command source mode ‘1’ = AHB slave - DMA mode ‘0’ = APB mode Table 105. PCI Target Page Address Register - PCITPA Address = 0x8000015C 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 tpa1[7:0] reserved tpa2[7:0] reserved r/w r/w r/w r/w 0x40 0x00 0x90 0x00 Bit Number Mnemonic Description 31..24 tpa1[7:0] Target page address defines the 8 most significant bits of the 16 MByte memory page on which PCI addresses are mapped 15..8 tpa2[7:0] Target page address defines the 8 most significant bits for the second memory BAR. AT697F ADVANCE INFORMATION 117 7703C–AERO–6/09 |
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