cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 87

• Manufacturer Part Number: cx82100
• Description: Home Network Processor Hnp
• Manufacturer: Conexant Systems, Inc.

5.3
5.3.1
101306C
Bit(s)
31:12
9:8
3:2
1:0
11
10
7
6
5
4
Type
R/W
R/W
RW
RW
RW
RW
RW
Host Master Mode Registers
Host Control Register (HST_CTRL: 0x002D0000)
Default
2’b00
2’b10
2’b00
1'b0
1'b0
1’b0
1’b0
Conexant Proprietary and Confidential Information
HDMA_MODE_SEL
HST_HIRQ
DMA_SRC_ADDR_INC_DISABLE
DMA_DST_ADDR_INC_DISABLE
EN_BLOCK_ARM
RUN_MAP
XDM_SZ
CX82100 Home Network Processor Data Sheet
Name
Reserved.
Disable DMA Source Address Increment.
Disable DMA Destination Address Increment.
Host Master Mode DMA Transfer Mode Select.
Reserved.
Enable the arbiter to lock 940 ADR/SEQ/ and Bursts.
Reserved.
Run-Time Memory Map.
External Dynamic Memory Size.
HIRQ0# Output State for External Host.
0 = Enable DMA Source Address Increment.
1 = Disable DMA Source Address Increment.
0 = Enable DMA Destination Address Increment.
1 = Disable DMA Destination Address Increment.
0 = Disable arbiter to lock 940 ADR/SEQ/ and Bursts.
1 = Enable arbiter to lock 940 ADR/SEQ/ and Bursts.
0 = Flash ROM @ starting address 0x00000000,
1 = Internal RAM @ starting address 0x00000000,
00 =
01 =
10 =
11 =
00 =
01 =
10 =
11 =
0x =
10 =
11 =
internal RAM @ starting address 0x00180000.
Flash ROM @ starting address 0x00180000.
Asynchronous DMA Mode.
Reserved.
Isochronous DMA Mode using internal timer.
Reserved.
2 MB.
4 MB.
8 MB.
Reserved.
Off.
Asserted low.
De-asserted and pulled high.
Description
5-13