cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 245

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

Revision 0.8
ACC Register Descriptions
5.3.2.9
Bus Master 0 PRD Table Address (ACC_BM0_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 1 PRD Table Address (ACC_BM1_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 2 PRD Table Address (ACC_BM2_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 3 PRD Table Address (ACC_BM3_PRD)
ACC I/O Offset
Type
Reset Value
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31:2
Bit
1:0
Audio Bus Master 7-0 PRD Table Address Registers (ACC_BM[x]_PRD)
Name
PRD_PNTR
RSVD
24h
R/W
00000000h
2Ch
R/W
00000000h
34h
R/W
00000000h
3Ch
R/W
00000000h
Description
Pointer to the Physical Region Descriptor Table. This register is a PRD table pointer
for Audio Bus Master [x].
When written, this register points to the first entry in a PRD table. Once Audio Bus Mas-
ter [x] is enabled (Command Register bit 0 = 1), it loads the pointer and updates this
register to the next PRD by adding 08h.
When read, this register points to the next PRD.
Reserved. Reads return 0
(Continued)
ACC_BM[x]_PRD Bit Descriptions
ACC_BM[x]_PRD Register Map
PRD_PNTR
245
Bus Master 4 PRD Table Address (ACC_BM4_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 5 PRD Table Address (ACC_BM5_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 6 PRD Table Address (ACC_BM6_PRD)
ACC I/O Offset
Type
Reset Value
Bus Master 7 PRD Table Address (ACC_BM7_PRD)
ACC I/O Offset
Type
Reset Value
44h
R/W
00000000h
4Ch
R/W
00000000h
54h
R/W
00000000h
5Ch
R/W
00000000h
9
8
7
6
5
4
3
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2
RSVD
1
0