參數(shù)資料
型號: VDP3108
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Single-Chip Video Processor
中文描述: 單芯片視頻處理器
文件頁數(shù): 31/61頁
文件大小: 2638K
代理商: VDP3108
ADVANCE INFORMATION
VDP 3108
MICRONAS INTERMETALL
31
Table 3–2: Control Registers of the Fast Processor
– default values are initialized at reset
– * indicates that register is initialized according to the current standard when SDT register is changed.
FP Sub
address
Function
Default
Name
Standard Selection
h’1b
Standard select:
0
1
2
3
4
5
6
7
PAL B,G,H,I
NTSC M
SECAM
NTSC44
PAL M
PAL N
PAL 60
NTSC COMB
(50 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
(60 Hz)
4.433618
3.579545
4.286
4.433618
3.575611
3.582056
4.433618
3.579545
The activated routine will set up several blocks for the selected standard.
Option bits:
(OR for the new selected standard)
h’100
no hpll setup
h’200
no vertical setup
h’400
no acc setup
Note: After FP has switched to a new standard, the MSB of SDT is set
to 1 to indicate operation complete.
0
SDT
Color Processing
h’1c
NTSC tint angle,
512 =
π
/4
0
TINT
h’a0
ACC reference level to adjust C
r
, C
b
levels on picture bus.
(use main matrix)
ACCREF = 0: ACC function is disabled, chroma gain can be adjusted
via ACCb / ACCr register
ACC reference level for increased color saturation.
(use side matrix)
P/N: 2070*
S: 0*
P/N: 2263
ACCREF
h’a3
ACC multiplier value for SECAM Dr chroma component to adjust C
r
level
on picture bus. (use main matrix)
b[10:0]
eeemmmmmmmmm * 2^–e
ACC multiplier value for SECAM Dr chroma component for increased
color saturation (use side matrix)
S: 1496*
S:1532
ACCr
h’a4
ACC multiplier value for SECAM Db chroma component to adjust C
b
lev-
el on picture bus. (use main matrix)
b[10:0]
eeemmmmmmmmm * 2^–e
ACC multiplier value for SECAM Dr chroma component for increased
color saturation (use side matrix)
S: 1155*
S: 1177
ACCb
h’a8
amplitude color killer level (0:killer disabled)
30
KILVL
h’a9
amplitude color killer hysteresis
10
KILHY
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