cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 414
cs5535
Manufacturer Part Number
cs5535
Description
Geode Cs5535 Companion Multi-function South Bridge
Manufacturer
National Semiconductor Corporation
Datasheet
1.CS5535.pdf
(555 pages)
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DMA Register Descriptions
5.13.2.18 Master DMA Channel [7:4] Master Clear (DMA_CH7:4_MSTR_CLR)
I/O Address Offset
Type
Reset Value
5.13.2.19 Master DMA Channel [7:4] Clear Mask (DMA_CH7:4_CLR_MSK)
I/O Address Offset
Type
Reset Value
5.13.2.20 Master DMA Channel [7:4] Write Mask (DMA_CH7:4_WR_MSK)
I/O Address
Type
Reset Value
Bit
7:0
Bit
7:0
Bit
7:4
3
2
1
0
7
7
7
Name
MSTR_CLR
Name
CLR_MSK
Name
RSVD
CH7_MASK
CH6_MASK
CH5_MASK
CH4_MASK
0DAh
WO
xxh
0DCh
WO
xxh
0DEh
WO
0Fh
6
6
6
RSVD
DMA_CH7:4_MSTR_CLR Register Descriptions
Description
Master Clear. A write with any data (dummy value) resets the 8237 DMA controller for
Channels [7:4].
Description
Clear Mask. A write with any data (dummy value) clears the mask bits for Channels
[7:4].
Description
Reserved. Write value is don’t care.
Channel 7 Mask Value. 0: Not masked; 1: Masked.
Channel 6 Mask Value. 0: Not masked; 1: Masked.
Channel 5 Mask Value. 0: Not masked; 1: Masked.
Channel 4 Mask Value. 0: Not masked; 1: Masked.
DMA Clear Mask Register for Channels 7:4
DMA_CH7:4_MSTR_CLR Bit Descriptions
DMA_CH7:4_CLR_MSK Bit Descriptions
5
5
5
DMA_CH7:4_WR_MSK Bit Descriptions
DMA_CH7:4_WR_MSK Register Map
(Continued)
MSTR_CLR (DUMMY_VAL)
CLR_MSK (DUMMY_VAL)
4
4
4
414
CH7_MASK
3
3
3
CH6_MASK
2
2
2
CH5_MASK
1
1
1
CH4_MASK
Revision 0.8
0
0
0
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