cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 405

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

Revision 0.8
DMA Register Descriptions
5.13.1.3
MSR Address
Type
Reset Value
5.13.2 DMA Native Registers
5.13.2.1
Slave DMA Channel 0 Memory Address
(DMA_CH0_ADDR_BYTE)
I/O Address
Type
Reset Value
Slave DMA Channel 1 Memory Address
(DMA_CH1_ADDR_BYTE)
I/O Address
Type
Reset Value
15
15:8
Bit
Bit
7:0
7
6
5
4
3
2
1
0
7
14
DMA Shadow Mask (DMA_MSK_SHDW)
These registers reside in the I/O address space.Slave DMA Channel [3:0] Memory Address
(DMA_CH[x]_ADDR_BYTE)
Name
Reserved
CH7MASK
CH6MASK
CH5MASK
CH4MASK
CH3MASK
CH2MASK
CH1MASK
CH0MASK
Name
DMA_CH_ADDR_BYTE
13
51400049h
RO
00FFh
000h
R/W
xxh
002h
R/W
xxh
6
12
RSVD
11
Description
Reserved. Reads as 00h.
Channel 7 Mask Reflects value of Channel 7 Mask bit. 0: Not masked; 1: Masked.
Channel 6 Mask. Reflects value of Channel 6 Mask bit. 0: Not masked; 1: Masked.
Channel 5 Mask. Reflects value of Channel 5 Mask bit. 0: Not masked; 1: Masked.
Channel 4 Mask. Reflects value of Channel 4 Mask bit. 0: Not masked; 1: Masked.
Channel 3 Mask. Reflects value of Channel 3 Mask bit. 0: Not masked; 1: Masked.
Channel 2 Mask. Reflects value of Channel 2 Mask bit. 0: Not masked; 1: Masked.
Channel 1 Mask. Reflects value of Channel 1 Mask bit. 0: Not masked; 1: Masked.
Channel 0 Mask. Reflects value of Channel 0 Mask bit. 0: Not masked; 1: Masked.
DMA_CH[x]_ADDR_BYTE Bit Descriptions
DMA_CH[x]_ADDR_BYTE Register Map
5
DMA__MSK_SHDW Bit Descriptions
(Continued)
10
DMA__MSK_SHDW Register Map
Description
DMA Channel Address. Read/write in two successive bus cycles, low byte first.
9
DMA_CH_ADDR_BYTE
4
8
405
MASK
CH7
Slave DMA Channel 2 Memory Address
(DMA_CH2_ADDR_BYTE)
I/O Address
Type
Reset Value
Slave DMA Channel 3 Memory Address
(DMA_CH3_ADDR_BYTE)
I/O Address
Type
Reset Value
7
3
MASK
CH6
6
MASK
CH5
5
2
MASK
004h
R/W
xxh
006h
R/W
xxh
CH4
4
MASK
CH3
3
1
MASK
CH2
2
MASK
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CH1
1
0
MASK
CH0
0