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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1126 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
CRTC Display Size Register (CRTC_SIZE)
This register controls the display size. It includes Horizontal-Total (HTT) and Vertical-Total (VTT)
registers. The value of HTT specifies the total number of pixels in the CRTC horizontal scan line
interval including retrace time. And the value of VTT specifies the total number of scan line for
each field (frame), including the retrace time.
Register
Offset
R/W
Description
Reset Value
CRTC_SIZE
0x10
R/W
CRTC Display Size Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
VTT[10:8]
23
22
21
20
19
18
17
16
VTT[7:0]
15
14
13
12
11
10
9
8
Reserved
HTT[10:8]
7
6
5
4
3
2
1
0
HTT[7:0]
Bits
Description
[31:27]
Reserved
Reserved.
[26:16]
VTT
CRTC Vertical Total Scan Lines
An 11-bit value specifies the total number of scan line for each field, including the retrace
time.
[15:11]
Reserved
Reserved.
[10:0]
HTT
CRTC Horizontal Total Pixels
An 11-bit value specifies the total number of pixels in the CRTC horizontal scan line
interval including the retrace time.