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MT9V111 Datasheet(PDF) 35 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) 35 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
35
©2004 Micron Technology, Inc. All rights reserved.
MT9V111 - 1/4-Inch SOC VGA Digital Image Sensor
Appendix A – Sensor Timing
Appendix A – Sensor Timing
Figure 15: Row Timing and FRAME_VALID/LINE_VALID Signals
Note:
The signals in Figure 15 are defined in Table 12.
Note:
In order to avoid flicker, frame time is 65.65ms.
Sensor timing is shown above in terms of master clock cycle. The vertical blanking and
total frame time equations assume that the number of integration rows (bits 11 through
0 of Reg0x09) is less than the number of active row plus blanking rows (Reg0x03 + 1 +
Reg0x06 + 1). If this is not the case, the number of integration rows must be used instead
to determine the frame time, as shown in Table 13.
Table 12: Frame Time
Parameter
Name
Equation (Master Clocks)
Default Timing
At 12 MHz
A
Active Data Time
(Reg0x04 - 7) x 2
= 1,280 pixel clocks
= 1,280 master clocks
= 106.7us
P1
Frame Start Blanking
(Reg0x05 + 112) x 2
= 300 pixel clocks
= 300 master clocks
= 25.0us
P2
Frame End Blanking
14 CLKS
= 14 pixel clocks
= 14 master clocks
= 1.17us
Q
Horizontal Blanking
(Reg0x05 + 121) x 2
(MIN Reg0x05 value = 9)
= 318 pixel clocks
= 318 master clocks
= 26.5us
A + Q
Row Time
(Reg0x04 + Reg0x05 +114) x 2
= 1,598 pixel clocks
= 1,598 master clocks
= 133.2us
V
Vertical Blanking
(Reg0x06 + 9) x (A + Q) + (Q - P1 - P2)
= 20, 778 pixel clocks
= 20,778 master clocks
= 1.73ms
Nrows x (A + Q) Frame Valid Time
(Reg0x03 - 7) x (A + Q) - (Q - P1 - P2)
= 767,036 pixel clocks
= 767,036 master clocks
= 63.92ms
F
Total Frame Time
(Reg0x03 + Reg0x06 + 2) x (A + Q)
= 787,814 pixel clocks
= 787,814 master clocks
= 65.65ms
Table 13: Frame TimeLarger than One Frame
Parameter
Name
Equation (Master Clocks)
Default Timing
V’
Vertical Blanking (long integration time)
(Reg0x09 - Reg0x03) x (A + Q)
F’
Total Frame Time (long integration time)
(Reg0x09 + 1) x (A + Q)
P1
A
Q
A
Q
AP2
Number of master clocks
FRAME_VALID
LINE_VALID
...
...
...


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