21 vip task b u offset (vip_task_b_u_offset), Vip task b u offset (vip_task_b_u_offset), 00000000h – AMD Geode LX [email protected] User Manual
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504
AMD Geode™ LX Processors Data Book
Video Input Port Register Descriptions
33234H
6.10.2.21 VIP Task B U Offset (VIP_TASK_B_U_OFFSET
)
6.10.2.22 VIP Ancillary Data/Message Passing/Data Streaming Buffer1 Base Address (VIP_ANC_MSG_1_BASE)
VIP Memory Offset 54h
Type
R/W
Reset Value
00000000h
VIP_TASK_B_U_OFFSET Register Map
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
TASK_B_U_OFFSET
Program to 00000
VIP_TASK_B_U_OFFSET Bit Descriptions
Bit
Name
Description
31:0
TASK_B_U_
OFFSET
Task B U Offset. This register determines the starting address of the U buffer when data
is stored in planar format. The start of the U buffer is determined by adding the contents
of this register to that of the base address. The value in this register must be 32-byte
aligned. (Bits [4:0] are required to be 00000.)
Note:
This register in NOT double buffered and should be initialized before start of
video capture.
VIP Memory Offset 58h
Type
R/W
Reset Value
00000000h
VIP_ANC_MSG_1_BASE Register Map
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
ANC_MSG_1_BASE
Program to 00000
VIP_ANC_MSG_1_BASE Bit Descriptions
Bit
Name
Description
31:0
ANC_MSG_1_
BASE
Ancillary Data/Message Passing Data/Data Streaming Base Address. This register
specifies the base address for the ancillary data when in VIP modes or message/stream-
ing data when in Message Passing or Data Streaming modes. Changes to this register
take effect at the beginning of the next field when in VIP mode. It takes place immediately
when in Message Passing or Data Streaming mode. The value in this register must be
32-byte aligned. (Bits [4:0] are required to be 00000.)
Note:
This register is NOT double buffered.