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MT9V111 Datasheet(PDF) 43 Page - Micron Technology

Part No. MT9V111
Description  1/4-Inch SOC VGA CMOS Active-Pixel Digital Image Sensor
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Maker  MICRON [Micron Technology]
Homepage  http://www.micron.com
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MT9V111 Datasheet(HTML) 43 Page - Micron Technology

 
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT9V111_2.fm - Rev. G 1/05 EN
43
©2004 Micron Technology, Inc. All rights reserved.
MT9V111 - 1/4-Inch SOC VGA Digital Image Sensor
Appendix B – Overview Of Programming
Automatic White Balance
AWB can be disabled by setting IFP R6[1]=0. Use IFP R37[2:0] and R37[6:3] to speed up
AWB response. Please note that speeding AWB up may result in color oscillation. If nec-
essary, AWB range can be restricted by changing the upper limit in IFP R36[14:8] and
lower limit in IFP R36[6:0].
Flicker Avoidance
Use IFP R91 to choose automatic/manual, 50Hz/60Hz flicker avoidance and IFP R8[11]
= 0 to disable this feature.
Flash
For flash programming, see IFP R152 description.
Decimation, Zoom, and Pan
For output decimation programming, see IFP R165 description. Table 17 provides a few
examples.
Note:
For fixed 2x upsize zoom, set core R30[0] = 1.
Interpolation
Use IFP R5[2:0] to adjust image sharpness. By default, sharpness is automatically
reduced in low-light conditions (see IFP R5[3]). For RGB565 16-bit capture, set IFP
R6[12] = 0 and IFP R5[3] = 0 to avoid contouring.
Special Effects
To switch from color to gray scale output, set IFP R8[5] = 1. Contact a Micron FAE for
register settings producing other special effects (e.g. sepia output).
Image Mirroring
To mirror images horizontally, set core R32[14] = 1 and IFP R8[0] = 1. To flip images ver-
tically, set core R32[15] = 1 and IFP R8[1] = 1.
Test Pattern
See IFP R72 and IFP Reg58[5:3] description.
Table 17: Decimation, Zoom, and Pan
Ifp Registers
CIF Output (Correct Aspect
Ratio)
QVGA Output
2:1 Zoom
QVGA Output
1:1 Zoom
R165
26
160
0
R166
586
320
640
R167
352
320
320
R168
0
120
0
R169
480
240
480
R170
288
240
240


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