cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 403

• 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 DMA Specific MSRs
5.13.1.1
MSR Address
Type
Reset Value
RSVD
15
14:12
10:8
Bit
6:4
2:0
15
11
7
3
14
DMA Mapper (DMA_MAP)
DMA_CH3_MAP
Name
RSVD
DMA_CH3_MAP
RSVD
DMA_CH2_MAP
RSVD
DMA_CH1_MAP
RSVD
DMA_CH0_MAP
13
51400040h
R/W
0000h
12
RSVD
11
Description
Reserved. No effect on DMA Mapper functionality; reads return value written.
DMA Channel 3 Source Select.
000: DMA Channel 3 off.
001: UART1 transmit.
010: UART1 receive.
011: UART2 transmit.
Reserved. No effect on DMA Mapper functionality; reads return value written.
DMA Channel 2 Source Select.
000: DMA Channel 2 off.
001: UART1 transmit.
010: UART1 receive.
011: UART2 transmit.
Reserved. No effect on DMA Mapper functionality; reads return value written.
DMA Channel 1 Source Select.
000: DMA Channel 1 off.
001: UART1 transmit.
010: UART1 receive.
011: UART2 transmit.
Reserved. No effect on DMA Mapper functionality; reads return value written.
DMA Channel 0 Source Select.
000: DMA Channel 0 off.
001: UART1 transmit.
010: UART1 receive.
011: UART2 transmit.
(Continued)
10
DMA_CH2_MAP
DMA_MAP Bit Descriptions
DMA_MAP Register Map
9
8
403
RSVD
7
100: UART2 receive.
101: Reserved; not active.
110: Reserved; not active.
111: LPC DMA Channel 3.
100: UART2 receive.
101: Reserved; not active.
110: Reserved; not active.
111: LPC DMA Channel 2.
100: UART2 receive.
101: Reserved; not active.
110: Reserved; not active.
111: LPC DMA Channel 1.
100: UART2 receive.
101: Reserved; not active.
110: Reserved; not active.
111: LPC DMA Channel 0.
6
DMA_CH1_MAP
5
4
RSVD
3
2
DMA_CH0_MAP
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