cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 406

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

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DMA Register Descriptions
5.13.2.2
Slave DMA Channel 0 Transfer Count
(DMA_CH0_CNT_BYTE)
I/O Address
Type
Reset Value
Slave DMA Channel 1 Transfer Count
(DMA_CH1_CNT_BYTE)
I/O Address
Type
Reset Value
5.13.2.3
Slave DMA Channel [3:0] Status (DMA_CH3:0_STS)
I/O Address
Type
Reset Value
DMA_CH3_RQ DMA_CH2_RQ DMA_CH1_RQ DMA_CH0_RQ DMA_CH3_TC DMA_CH2_TC DMA_CH1_TC DMA_CH0_TC
Bit
7:0
Bit
7
6
5
4
3
2
1
0
7
7
Slave DMA Channel [3:0] Transfer Count (DMA_CH[x]_CNT_BYTE)
DMA Channel [3:0] Status / Command
Name
DMA_CH_CNT_BYTE
Name
DMA_CH3_RQ
DMA_CH2_RQ
DMA_CH1_RQ
DMA_CH0_RQ
DMA_CH3_TC
DMA_CH2_TC
DMA_CH1_TC
DMA_CH0_TC
001h
R/W
xxh
003h
R/W
xxh
008h
R
00h
6
6
Description
Channel 3 DMA Request. 0: Not pending; 1: Pending.
Channel 2 DMA Request. 0: Not pending; 1: Pending.
Channel 1 DMA Request. 0: Not pending; 1: Pending.
Channel 0 DMA Request. 0: Not pending; 1: Pending.
Channel 3 Terminal Count. 0: Count not reached; 1: Count reached.
Channel 2 Terminal Count. 0: Count not reached; 1: Count reached.
Channel 1 Terminal Count. 0: Count not reached; 1: Count reached.
Channel 0 Terminal Count. 0: Count not reached; 1: Count reached.
DMA_CH[x]_CNT_BYTE Bit Descriptions
5
5
DMA_CH3:0_STATUS Bit Descriptions
DMA_CH[x]_CNT_BYTE Register Map
(Continued)
Description
DMA Channel Transfer Count. Read/write in two successive bus cycles, low
byte first.
DMA_CH3:0_STS Register Map
DMA_CH_CNT_BYTE
4
4
406
Slave DMA Channel 2 Transfer Count
(DMA_CH2_CNT_BYTE)
I/O Address
Type
Reset Value
Slave DMA Channel 3 Transfer Count
(DMA_CH3_CNT_BYTE)
I/O Address
Type
Reset Value
3
3
2
2
005h
R/W
xxh
007h
R/W
xxh
1
1
Revision 0.8
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