CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 424

• Manufacturer Part Number: CS5535-UDCF
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of CS5535-UDCF

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Slave DMA Channel [3:0] Command (DMA_CH3:0_CMD)
I/O Address
Type
Reset Value
6.13.2.4 Slave DMA Channel [3:0] Software Request (DMA_CH3:0_SFT_REQ)
I/O Address
Type
Reset Value
424
DACK_SENSE DREQ_SENSE
Bit
1:0
Bit
7:3
1:0
7
6
5
4
3
2
2
7
7
Name
DACK_SENSE
DREQ_SENSE
WR_TIMING
PR_MODE
TM_MODE
DMA_DIS
RSVD
Name
RSVD
DMA_RQ
DMA_CH_SEL
008h
W
xxh
009h
WO
xxh
6
6
31506B
WR_TIMING
Description
DACK Sense. 0: Active low; 1: Active high.
DREQ Sense. 0: Active high; 1: Active low.
Write Timing. 0: Late write; 1: Extended write.
Priority Mode. 0: Fixed priority; 1: Rotating priority.
Timing Mode. 0: Normal timing; 1: Compressed timing.
DMA Disable. 0: DMA enable for Channels [3:0]; 1: DMA disable for Channels [3:0].
Reserved. Bit 0 must be written with value 0; bit 1 value is don’t care.
Description
Reserved. Write value is don’t care.
DMA Request. Set to 1 to enable DMA request.
DMA Channel Select.
00: Channel 0.
01: Channel 1.
RSVD
DMA_CH3:0_SFT_REQ Bit Descriptions
5
5
DMA_CH3:0_SFT_REQ Register Map
DMA_CH3:0_CMD Bit Descriptions
DMA_CH3:0_CMD Register Map
PR_MODE
4
4
TM_MODE
3
3
10: Channel 2.
11: Channel 3.
AMD Geode™ CS5535 Companion Device Data Book
Direct Memory Access Register Descriptions
DMA_DIS
DMA_RQ
2
2
1
1
DMA_CH_SEL
RSVD
0
0