196 AMD Geode™ SC2200 Processor Data Book
Core Logic Module - Register Summary
32580B
Table 6-28. ISA Legacy I/O Register Summary
I/O Port Type Name Reference
DMA Channel Control Registers (Table 6-43)
000h R/W DMA Channel 0 Address Register Page305
001h R/W DMA Channel 0 Transfer Count Register Page305
002h R/W DMA Channel 1 Address Register Page305
003h R/W DMA Channel 1 Transfer Count Register Page305
004h R/W DMA Channel 2 Address Register Page305
005h R/W DMA Channel 2 Transfer Count Register Page305
006h R/W DMA Channel 3 Address Register Page305
007h R/W DMA Channel 3 Transfer Count Register Page305
008h Read DMA Status Register, Channels 3:0 Page305
Write DMA Command Register, Channels 3:0 Page 306
009h WO Software DMA Request Register, Channels 3:0 Page306
00Ah W DMA Channel Mask Register, Channels 3:0 Page306
00Bh WO DMA Channel Mode Register, Channels 3:0 Page307
00Ch WO DMA Clear Byte Pointer Command, Channels 3:0 Page307
00Dh WO DMA Master Clear Command, Channels 3:0 Page307
00Eh WO DMA Clear Mask Register Command, Channels 3:0 Page307
00Fh WO DMA Write Mask Register Command, Channels 3:0 Page 307
0C0h R/W DMA Channel 4 Address Register (Not used) Page307
0C2h R/W DMA Channel 4 Transfer Count Register (Not Used) Page307
0C4h R/W DMA Channel 5 Address Register Page307
0C6h R/W DMA Channel 5 Transfer Count Register Page307
0C8h R/W DMA Channel 6 Address Register Page307
0CAh R/W DMA Channel 6 Transfer Count Register Page307
0CCh R/W DMA Channel 7 Address Register Page307
0CEh R/W DMA Channel 7 Transfer Count Register Page307
0D0h Read DMA Status Register, Channels 7:4 Page 308
Write DMA Command Register, Channels 7:4 Page 308
0D2h WO Software DMA Request Register, Channels 7:4 Page309
0D4h W DMA Channel Mask Register, Channels 7:4 Page309
0D6h WO DMA Channel Mode Register, Channels 7:4 Page309
0D8h WO DMA Clear Byte Pointer Command, Channels 7:4 Page309
0DAh WO DMA Master Clear Command, Channels 7:4 Page309
0DCh WO DMA Clear Mask Register Command, Channels 7:4 Page 309
0DEh WO DMA Write Mask Register Command, Channels 7:4 Page310
DMA Page Registers (Table 6-44)
081h R/W DMA Channel 2 Low Page Register Page310
082h R/W DMA Channel 3 Low Page Register Page310
083h R/W DMA Channel 1 Low Page Register Page310
087h R/W DMA Channel 0 Low Page Register Page310
089h R/W DMA Channel 6 Low Page Register Page310
08Ah R/W DMA Channel 7 Low Page Register Page310
08Bh R/W DMA Channel 5 Low Page Register Page310
08Fh R/W Sub-ISA Refresh Low Page Register Page310
481h R/W DMA Channel 2 High Page Register Page 310
482h R/W DMA Channel 3 High Page Register Page 310
483h R/W DMA Channel 1 High Page Register Page 310