參數(shù)資料
型號(hào)： MCM20014IBMN
廠商： MOTOROLA INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： 1/3” Color VGA Digital Image Sensor
中文描述： SPECIALTY ANALOG CIRCUIT, CQCC48
封裝： CERAMIC, LCC-48
文件頁數(shù)： 23/54頁
文件大小： 761K
代理商： MCM20014IBMN
MCM20014
MOTOROLA
23
5.1.2 Reference Voltage Adjust Registers
The analog register block allows programming the input
voltage range of the analog to digital converter to match
the saturation voltage of the pixel array. The voltage ref-
erence generator can be programmed via two registers;
nrv
(0 to 1.25V)
Table 12
,
prv
(2.5V to 1.25V)
Table 13
,
in 5mV steps. A 00
h
value in the
prv
register represents
a reference output voltage of 2.5V. A 00
h
value in the
nrv
register represents output voltage of 0V. The de-
fault settings for the two registers produce a 1.9V refer-
ence on
prv
and 0.6V on
nrv
outputs. When adjusting
these values, the user should keep the voltage range
centered around 1.25V.
Address
09
h
Color Tile Row 4 Definition
Unused
Default
00
h
msb (7)
6
5
4
3
2
1
lsb (0)
r4c4[1]
r4c4[0]
r4c3[1]
r4c3[0]
r4c2[1]
r4c2[0]
r4c1[1]
r4c1[0]
Bit
Number
Function
Description
Reset
State
7 - 6
Color 4
Fourth Color in Row 4
00
b
5 - 4
Color 3
Third Color in Row 4
00
b
3 - 2
Color 2
Second Color in Row 4
00
b
1 - 0
Color 1
First Color in Row 4
00
b
Table 11. Color Tile Row 4 Definition Register
Address
0A
h
Voltage Reference
“
Negative
”
Code
Default
76
h
msb (7)
6
5
4
3
2
1
lsb (0)
nrv[7]
nrv[6]
nrv[5]
nrv[4]
nrv[3]
nrv[2]
nrv[1]
nrv[0]
Bit
Number
Function
Description
Reset
State
7 - 0
Reference
Voltage = 0.0 + (5mV * nrc
d
)
01110110
b
(0.6V)
Table 12. Negative Voltage Reference Code Register
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