ade3000 STMicroelectronics, ade3000 Datasheet - Page 74
ade3000
Manufacturer Part Number
ade3000
Description
Lcd Display Engines With Integrated Dvi, Adc And Yuv Ports
Manufacturer
STMicroelectronics
Datasheet
1.ADE3000.pdf
(88 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ade3000SX
Manufacturer:
ST
Quantity:
20 000
Gamma Block
74/88
2.21
2.22
FLK_MEAS7_0
FLK_MEAS7_1
FLK_MEAS7_2
FLK_MEAS7_3
GAMMA_CTRL
Gamma Block
The Gamma block performs an 8 bit to 10 bit lookup table on the 3 x 8 bits (R, G, B) color data
coming from SCALER.
The RAMs are individually programmable (read and write) using I2C access. The memory map is
as follows:
Even addresses are the 8-bit LSBs of the 10-bit gamma value. Odd addresses are the 2 MSBs.
APC Block
APC (formerly known as Arithmos Perfect Color) dithers an input 10-bit video stream down to 4-8
output bits. The dithering is done in space and time in such a way that the eye does not perceive
objectionable artifacts such as:
Register Name
Register Name
I2C address 0x1000 - 0x11FF: red RAM
I2C address 0x1200 - 0x13FF: green RAM
I2C address 0x1400 - 0x15FF: blue RAM
fixed dither patterns,
contours,
flickering pixels
phase correlated flickering, which creates wave patterns known as "swimming".
0x0CCD
0x0CCE
0x0CCF
0x0CD0
0x0C10
Table 26: Flicker Registers (Sheet 3 of 3)
Addr
Addr
Table 27: Gamma Registers
R/W
R/W
R/W
R/W
R/W
Mode
Mode
[7:4]
[3]
[2]
[1:0]
[7:0]
[7:0]
[7:0]
[7:0]
Bits
Bits
0x0
0x0
0x0
0x0
0x0
Default
Default
Score for Pattern 7
1: Disable RAM access
1: Test Mode
Gamma Mode Select
0x0: 10b linear bypass
0x1: 8b->10b gamma table (normal)
0x2: 8b linear bypass (no interpolation)
0x3: 8b->10b gamma table (normal)
Reserved
0: Normal
0: Normal
Description
Description
ADE3XXX