Datasheet

PDF: 09005aef8202ec2e/Source: 09005aef8202ebf7 Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT9D111__5_REV5.fm - Rev. B 2/06 EN
78 ©2004 Micron Technology, Inc. All rights reserved.
MT9D111 - 1/3.2-Inch 2-Megapixel SOC Digital Image Sensor
JPEG Indirect Registers
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46 ccmRL[9] int 0x000A
RW Delta color correction matrix red/green gain ratio.
Value is interpreted as unsigned; 32 means 1.0.
48 ccmRL[10] int 0xFFF1
RW Delta color correction matrix blue/green gain ratio.
Value is interpreted as unsigned; 32 means 1.0.
50 ccm[0] int
RW Current color correction matrix element C11.
Value is stored in signed two’s complement form; 256 means 1.0.
52 ccm[1] int
RW Current color correction matrix element C12
54 ccm[2] int
RW Current color correction matrix element C13
56 ccm[3] int
RW Current color correction matrix element C21
58 ccm[4] int
RW Current color correction matrix element C22
60 ccm[5] int
RW Current color correction matrix element C23
62 ccm[6] int
RW Current color correction matrix element C31
64 ccm[7] int
RW Current color correction matrix element C32
66 ccm[8] int
RW Current color correction matrix element C33
68 ccm[9] int
RW Current color correction matrix red/green gain ratio.
Value is interpreted as unsigned; 32 means 1.0.
70 ccm[10] int
RW Current color correction matrix blue/green gain ratio.
Value is interpreted as unsigned; 32 means 1.0.
72 GainBufferSpeed uchar 8
RW Speed of time-buffering (32 = fastest, 1= slowest)
73 JumpDivisor uchar 2
RW Derating factor for white balance changes (1= fastest changes)
74 GainMin uchar 83
RW Minimum allowed AWB digital gain (128 means 1.0)
75 GainMax uchar 192
RW Maximum allowed AWB digital gain (128 means 1.0)
76 GainR uchar
R Current R digital gain (128 means1.0)
77 GainG uchar
R Current G digital gain (128 means1.0)
78 GainB uchar
R Current B digital gain (128 means 1.0)
79 CCMpositionMin uchar 0
RW Leftmost position of color correction matrix (corresponding to
incandescent light)
80 CCMpositionMax uchar 127
RW Rightmost position of color correction matrix (corresponding to
daylight)
81 CCMposition uchar 64
RW Current position of color correction matrix (0 corresponds to
incandescent light, 127 to daylight)
82 saturation uchar 128
RW Saturation of color correction matrix (128 means 100%)
83 mode uchar 0
RW Bit 0
—1 = AWB is in steady state
Bit 1
—1 = limits are reached
Bit 2
—1 = reserved
Bit 3
—1 = debug
Bit 4
—1 = no awb statistic
Bit 5
—1 = force AWB DGains to unit; program value into
awb.CCMPosition to manually set matrix position
Bit 6
—1 = disable CCM normalization
Bit 7
—1 = force outdoor settings, set by the sequencer
84 GainR_buf uint 0x1000
RW Time-buffered R gain (0x1000 means 1.0)
86 GainB_buf uint 0x1000
RW Time-buffered B gain (0x1000 means 1.0)
88 sumR uchar
R AWB statistics (normalized to an arbitrary number)
89 sumY uchar
R AWB statistics (normalized to an arbitrary number)
90 sumB uchar
R AWB statistics (normalized to an arbitrary number)
Table 13: Driver Variables−Auto White Balance (ID = 3) (continued)
Offs Name Type Default RW Description