MT9V012 Micron, MT9V012 Datasheet - Page 33
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MT9V012
Manufacturer Part Number
MT9V012
Description
1/6-Inch VGA CMOS Digital Image Sensor
Manufacturer
Micron
Datasheet
1.MT9V012.pdf
(53 pages)
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Readout Modes
Column Mirror Image
Row Mirror Image
Figure 16: Six Pixels in Normal and Column Mirror Readout Modes
Figure 17: Six Rows in Normal and Row Mirror Readout Modes
Column and Row Skip
PDF: 814eb99f/Source: 8175e929
MT9V012_2.fm - Rev. B 2/05 EN
By setting Reg0x20[1] = 1, the readout order of the columns will be reversed, as shown in
Figure 16. The starting color is preserved when mirroring the columns.
By setting Reg0x20[0] = 1, the readout order of the rows will be reversed as shown in
Figure 17. The starting color is preserved when mirroring the rows.
Reverse Readout
By setting Reg0x20[2] = 1 (Reg0x21 in context A), only half of the columns set will be read
out. An example is shown in Figure 18. Only columns with bit 1 equal to “0” will be read
out (xxxxxxx0x). The row skip works in the same way and will only read out rows with bit
1 equal to “0.” Row skip mode is enabled by setting Reg0x20[4]. For both row and col-
umn skips, the number of rows or columns read out will be half of what is set in Reg0x03
or Reg0x04, respectively.
The sensor can also be programmed to only read out a quarter of the specified window
size by setting Reg0x20[5:4], as shown in Figure 19. In all cases, the row and column
sequencing ensures that the Bayer pattern is preserved.
Normal Readout
Reverse Readout
Normal Readout
D
D
FRAME_VALID
OUT
OUT
D
D
LINE_VALID
OUT
OUT
9–D
9–D
9–D
9–D
OUT
OUT
OUT
OUT
0
0
0
0
MT9V012 - 1/6-Inch VGA CMOS Digital Image Sensor
G0 [9:0] R0 [9:0] G1 [9:0] R1 [9:0] G2 [9:0] R2 [9:0]
G3 [9:0] R2 [9:0] G2 [9:0] R1 [9:0] G1 [9:0] R0 [9:0]
Row0 [9:0] Row1 [9:0] Row2 [9:0] Row3 [9:0] Row4 [9:0] Row5 [9:0]
Row6 [9:0] Row5 [9:0] Row4 [9:0] Row3 [9:0] Row2 [9:0] Row1 [9:0]
33
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2004 Micron Technology, Inc. All rights reserved.
Feature Description
Preliminary
‡