Adaptec 1737100 Programmer Manual - Page 75

Register Descriptions Memory Mapped and Indirect I/O Mapped Expansion ROM space 512K PCI Address Map 0x7FFFF 64K Internal Registers Address Map 0xFFFF Reserved 0xE000 Ethernet FIFO Access 0xC000 Rx Frame Processor Instruction memory 0xA000 Memory and Indirect I/O access Reserved 0x60000 Internal registers (includes external PHY MII registers) (~16K words (~64KBytes)) 0x50000 External registers (16K words (64KBytes)) 0x40000 (PCI clock domain) (E)EPROM R/W (64KByte words (256KBytes)) (PCI clock domain) 0x00000 Tx Frame Processor Instruction memory 0x8000 Statistic register file 0x7000 Address filtering 0x6000 MAC registers 0x5000 Ethernet extra registers 0x4000 Physical (MII) registers up to 32 devices, 256-byte each 0x2000 Serial EPROM 0x1000 PCI extra registers 0x0100 0x0070 0x0040 0x0000 Functional registers Ethernet PCI PCI Configuration header registers Figure 7-1. AIC-6915 PCI Address Map Memory/Config/ I/O direct access 7-3