參數(shù)資料
型號: VPX3214C
廠商: Electronic Theatre Controls, Inc.
英文描述: Video Pixel Decoders
中文描述: 視頻解碼器像素
文件頁數(shù): 32/80頁
文件大小: 752K
代理商: VPX3214C
PRELIMINARY DATA SHEET
VPX 3220 A, VPX 3216 B, VPX 3214 C
MICRONAS INTERMETALL
32
I
2
C-Register Table
Name
Function
Mode
Number
of Bits
I
2
C Reg.
Address
Color Space Converter
E8
8
w
Format Selection, Alpha Keyer and Contrast Brightness
FORMAT
bit [7, 5, 2:0] : unused in VPX 3214 C
bit [2:0] : Format Selector:
000
001
010
011
100
101
110
111
YUV 4:2:2, YUV 4:2:2 ITUR
YUV 4:4:4,
YUV 4:1:1
YUV 4:1:1 DPCM
RGB 888 – 24 bit
RGB 888 (Invers Gamma) – 24 bit
RGB 565 (Invers Gamma) – 16 bit
RGB 555 (Invers Gamma) + Alpha Key – 15+1 bit
format
bit [3] : Select data format of C
C
video output data stream
0
2’s complement (–128 ... 127)
1
binary offset (0 ... 255)
twosq
bit [4] : Contrast Brightness: Clamping Level
0
clamping level = 32,
1
clamping level = 16
clamp
bit [5] : Gamma: Round Dither Enable (=1)
dither
bit [6] : Alpha Key Polarity
0
1
bit [6] : Programmable output pin in VPX 3214 C, connected to TDO
active high
active low
keyinv
bit [7] : Alpha Key Median Filter
0
1
Median Filter is disable
Median Filter is enable
median
EA
8
w
Diverse settings
bit [2:0] :
reserved (must be set to zero).
bit [3] :
connect LLC2 to ALPHA/TDO pin
bit [4] :
LLC2 polarity
bit [5] :
0
1
Output FIFO Pointer Reset with posedge of VACT
intern
Output FIFO Pointer Reset with VRF=0.
FFRES
bit [7:6] :
reserved (must be set to zero)
The control register modes are
– w: write/read register
– d: register is double latched
– A: register is available only in VPX 3220 A; VPX 3216 B returns valid ACK, although no internal action is performed
– r:
read-only register
The mnemonics used in the Intermetall VPX demo software are given in the last column.
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