參數(shù)資料
型號(hào): MCM20014
廠商: Motorola, Inc.
英文描述: 1/3” Color VGA Digital Image Sensor
中文描述: 1 / 3“彩色VGA數(shù)碼圖像傳感器
文件頁數(shù): 29/54頁
文件大?。?/td> 761K
代理商: MCM20014
MOTOROLA
MCM20014
29
The
Post ADC Control Register; Table 23
, performs cer-
tain rudimentary transformations on the digitized data.
The
wpe
and
bpe
bits are used to enable or disable the
White Bad-pixel replacement and Black Bad-pixel re-
placement algorithms respectively. These algorithms
are described in
section 2.3.1
and above.
The
cpe
bit enables the compander which provides for
the 10 to 8 bit noise coring described in
section 2.3.2
.
One of 8 available transform curves can be selected by
using the
cps
and
cpb
[2:0] bits. The slope of the trans-
form is defined using
cps
while
cpb
[2:0] defines the
breakpoint. Please see
Figure 13, on page 11
.
Address
30
h
White Pixel Threshold
Default
FE
h
msb (7)
6
5
4
3
2
1
lsb (0)
wpt[7]
wpt[6]
wpt[5]
wpt[4]
wpt[3]
wpt[2]
wpt[1]
wpt[0]
Bit
Number
Function
Description
Reset
State
7 - 0
Threshold
Threshold = wpt[1
b
,1
b
,7:0]
11111110
b
Table 21. White Pixel Threshold Register
Address
31
h
Black Pixel Threshold
Default
01
h
msb (7)
6
5
4
3
2
1
lsb (0)
bpt[7]
bpt[6]
bpt[5]
bpt[4]
bpt[3]
bpt[2]
bpt[1]
bpt[0]
Bit
Number
Function
Description
Reset
State
7 - 0
Threshold
Threshold = bpt[0
b
,0
b
,7:0]
00000001
b
Table 22. Black Pixel Threshold Register
Address
32
h
Post ADC Control
Default
30
h
msb (7)
6
5
4
3
2
1
lsb (0)
cpe
fuo
wpe
bpe
cps
cpb[2]
cpb[1]
cpb[0]
Bit
Number
Function
Description
Reset
State
7
Com-
pander
Enable
0
b
= Compander Disabled
1
b
= Compander Enabled
0
b
Table 23. Post ADC Control Register
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