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SC1100 Datasheet(PDF) 72 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # SC1100
Description  Geode??Information Appliance On a Chip
PDF  348 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

SC1100 Datasheet(HTML) 72 Page - National Semiconductor (TI)

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72
Revision 1.1
SuperI/O Module (Continued)
Index 74h
DMA Channel Select 0 (R/W)
Width: Byte
Selected DMA channel for DMA 0 of the logical device (0 - the first DMA channel when using more than one DMA channel).
7:3
Reserved.
2:0
DMA 0 Channel Select. This bit field selects the DMA channel for DMA 0.
The valid choices are 0-3, where a value of 0 selects DMA channel 0, 1 selects channel 1, etc.
A value of 4 indicates that no DMA channel is active.
Values 5-7 are reserved.
Index 75h
DMA Channel Select 1 (R/W)
Width: Byte
Indicates selected DMA channel for DMA 1 of the logical device (1 - the second DMA channel when using more than one DMA channel).
7:3
Reserved.
2:0
DMA 1 Channel Select: This bit field selects the DMA channel for DMA 1.
The valid choices are 0-3, where a value of 0 selects DMA channel 0, 1 selects channel 1, etc.
A value of 4 indicates that no DMA channel is active.
Values 5-7 are reserved.
Index F0h-FEh
Logical Device Configuration (R/W)
Width: Byte
Special (vendor-defined) configuration options.
Table 4-3. Standard Configuration Registers (Continued)
Bit
Description



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