VX1828B
Preliminary Datasheet
Video Processor for Middle Size LCD Panel
P.55/P.64
V1.0 050420
6.2.15 STATUS REGISTERS
Bit Map
Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
D0 Status -
-
-
AGC_STATUS
D1 Status -
DAGC_STATUS
D2 Status -
BLKLEV_STATUS
D3 Status -
NOISE
MORE
PHALT IS443 VPRES
MODE
[1:0] FINEAGC
MVVALID
D4 Status -
CAGC_STATUS
D5 Status -
CCPRES CC525
-
-
-
-
-
LLOCK
AGC_STATUS
Controls gain of analog composite/luma and chroma inputs
DAGC_STATUS
Internal digital automatic gain control value
BLKLEV_STATUS
Black level. 0 means no change. (ref: 7’b1000110 = 70d)
NOISE_MORE
Video noise detection. 1 represents there is more noise
PHALT
Phase switching signal of PAL signal
IS443
Carrier frequency detection
0
3.58
MHz
1
4.43
MHz
VPRES
Coarse lock status. Set when sync of proper height and duration
has been detected on 32 successive lines; reset if sync is not
detected on 32 successive lines.
0
Unlock
1
Locked
MODE
0 PAL (Combination N)
1 PAL (B, D, G, H, I, N)
2
PAL
(M)
3
NTSC
FINEAGC
Automatic gain control stability indication
0
Unstable
1
Stable
MVVALID
MacroVision protect detection
0 MacroVision protect waveform exist
1 None MacroVision protect waveform
CAGC_STATUS
Chroma automatic gain control value
CCPRES
CCIR656 input video present, only available when ccir_in_en set
CC525
0 CCIR656 input video is 525-line format (df.)
1 CCIR656 input video is 625-line format
LLOCK
Indication of successive lines
0 Successive lines available exist
1 No successive lines available