NUC950ADN Datasheet, PDF (409/629 Pages) Nuvoton Technology Corporation – 32-BIT ARM926EJ-S BASED MCU

NUC950ADN
32-BIT ARM926EJ-S BASED MCU
CRTC Internal Vertical Retrace Timing Register (CRTC_VR)
The vertical retrace timing can be controlled by properly setting the values of starting (VRS) and ending
(VRE) registers included in this register. The values are programmed in numbers of scan-line.
Register
CRTC_VR
31
23
15
7
Address
0xB000_8020
R/W
Description
R/W CRTC Internal Vertical Retrace Timing
Reset Value
0x0000_0000
30
29
28
27
Reserved
22
21
20
19
VRE[7:0]
14
13
12
11
Reserved
6
5
4
3
VRS[7:0]
26
25
24
VRE[10:8]
18
17
16
10
9
8
VRS[10:8]
2
1
0
Bits
Descriptions
[26:16] VRE[10:0]
[10:0] VRS[10:0]
CRTC Vertical Internal Retrace End Low
An 11-bits value is programmed in number of scan line, at which the internal
vertical retrace becomes inactive.
CRTC Vertical Internal Retrace Start Timing
An 11-bits value is programmed in number of scan line, at which the internal
vertical retrace becomes active
409
Publication Release Date: Jun. 18, 2010
Revision: A4