NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1144 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
OSD Stream Frame Buffer Control Register (OSD_FBCTRL)
The information contained in this register is used to efficiently control the frame buffer operation.
The OSD_STRIDE shows the word offset of memory address between two vertically adjacent
lines. The OSD_FF specifies the number of WORD SDRAM access cycle for a horizontal scan
line fetching.
Register
Offset
R/W
Description
Reset Value
OSD_FBCTRL
0x4C
R/W
OSD Stream Frame Buffer Control Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
OSD_FF[10:8]
23
22
21
20
19
18
17
16
OSD_FF[7:0]
15
14
13
12
11
10
9
8
Reserved
OSD _STRIDE[10:8]
7
6
5
4
3
2
1
0
OSD _STRIDE[7:0]
Bits
Description
[31:27]
Reserved
Reserved.
[26:16]
OSD_FF
OSD Stream Fetch Finish
An 11-bit value specifies the number of WORD SDRAM access cycle for a
horizontal scan line fetching of OSD data stream.
[15:11]
Reserved
Reserved.
[10:0]
OSD_STRIDE
OSD Stream Frame Buffer Stride
An 11-bit value specifies the word offset of memory address of vertically
adjacent line for OSD stream.