MCM20027 Motorola, MCM20027 Datasheet - Page 37

• Manufacturer Part Number: MCM20027
• Description: Color SXGA Digital Image Sensor 1280 x 1024 pixel progressive scan solid state image sensor with integrated CDS/PGA/ADC / digital programming / control
• Manufacturer: Motorola

Revision 8.0 - 28 November 2001 :
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
The
the maximum number of lines and the maximum num-
ber of colors per line. A maximum of four row and four
column definitions are permitted. The
uration Register
The Color Tile Row Definition registers;
14,
ors for each respective line. Each byte wide line defini-
tion allows a maximum of four unique color definitions
using 2 bits per color in a given line. Gain programming
for each color was described earlier in this section. The
default line definitions are colors 00
row 1 and 10
Bayer pattern as defined in
Address
Address
Number
Table
msb (7)
Color Tile Configuration Register; Table
msb (7)
5 - 0
7 - 4
3 - 2
1 - 0
03
05
Bit
x
x
h
h
15, and
b
, 11
defaults to two lines and two colors per
Function
Columns
Unused
b
Table 16
Rows
, 10
Gain
x
x
6
6
b
, 11
section
b
MCM20027
define the sequence of col-
for row 2 which supports a
PGA Gain Mode
Raw Gain Mode [cg4
Raw Gain Mode [cg4
(Range 0.696 - 2.736)
Linear Gain Mode -----> Gain = 0.6956 +(0.0434 x cg4
(Range 0.696 - 2.736)
Unused
00
01
1x
00
01
1x
b
b
cg4[5]
b
b
b
b
= 4 Columns in tile.
= 4 Rows in tile.
= 1 Column in tile.
= 2 Columns in tile.
= 1 Row in tile.
= 2 Rows in tile.
Table 12. Color Tile Configuration Register
2.2. The user should
x
5
5
b
, 01
Table 11. DPGA Color 4 Gain Register
Color Tile Config-
Table
b
, 00
Green of Blue-Green Row
DPGA Color 4 Gain Code
12, defines
Color Tile Configuration
b
13,
, 01
cg4[4]
Table
x
4
4
b
d
d
for
= 33-63
= 0-32
Description
d
line. The user should leave this register in default unless
a unique CFA option has been ordered.
This register can be configured to any pattern combina-
tion of 1, 2, or 4 rows and 1, 2, or 4 columns.
leave these registers in default unless a unique CFA op-
tion has been ordered.
For the default Bayer configuration of the color filter ar-
ray;
follows: Reg (01
(00
(02
] ---> Gain = 0.6956 + (0.02174* cg4
d
] --> Gain = 1.391+ (0.0434* (cg4
cg4[3]
nc[1]
h
h
): red pixel; Reg (03
):green pixel of a blue-green row. The predefined
Figure
3
3
4, the Color Gain Register addresses are as
cg4[2]
h
nc[0]
): green pixel of a green-red row; Reg
2
2
h
): blue pixel; and Reg
d
)
cg4[1]
nr[1]
ImageMOS
ImageMOS
1
1
d
-32)
d
)
001110
Default
Default
cg4[0]
Reset
State
nr[0]
lsb (0)
lsb (0)
xxxx
0E
05
01
01
h
b
b
h
MOTOROLA
b
37