Ai2152
ADDRESS
NAME
BIT
CONTENTS
TV color/mono display mode selection.
00:color display mode with color burst.
01:mono display mode with color burst.
10:color display mode without color burst
11:mono display mode without color burst
TV_MONO[1:0]
1:0
0F
(1074h)
Reserved
7:2
7:0
10
(1048h)
Line lock offset reference to the VRI. (Unit: 512 Tsys_clk)
Note:
LL_OFFSET [7:0]
The maximum line lock offset for NTSC is 1/60s
? LL_OFFSET = 932.
The maximum line lock offset for PAL is 1/50s
? LL_OFFSET = 1108.
LL_OFFSET [11:8]
Reserved
3:0
7:4
11
(1049h)
Line lock low pass filter.
00: line lock compensation per 1 frames
01: line lock compensation per 2 frames
1x: line lock compensation per 4 frames
LL_LPF [1:0]
1:0
12
(104Ah)
Reserved
7:2
7:0
13
(00DCh)
TG_H_DLY
TG HSYNC delay reference from TV HSYNC
14
(00DDh)
TG_H_DLY_MIR
TV_PERIOD[7:0]
TV_PERIOD[15:8]
7:0
7:0
7:0
TG HSYNC delay reference from TV HSYNC (Mirror)
15
(1050h)
TV frame period when line lock function is disable.
(Unit: Tsys_clk)
Recommend: NTSC ? 28.636MHz/29.97Hz = 955500
Tsys_clk.
16
(1051h)
PAL ? 28.375MHz/25Hz = 1135000 Tsys_clk.
TV_PERIOD[20:16]
Reserved
4:0
7:5
17
(1052h)
TG VSYNC delay reference from TV VSYNC.
(Unit: horizontal line)
TG_V_DELAY[5:0]
5:0
18
(1053h)
Reserved
Reserved
Reserved
V_DAC_EN
TV_SINC_EN
Reserved
Reserved
TV_INV
7:6
7:0
4:0
5
19
1: Enable video DAC.
1: Enable sinc filter
1A
(1060h)
6
7
0
1B
(1061h)
1
1: Inverse video output
8
A1PROS [ A1 PROS CO., LTD. ]
