STV0657 datasheet(77/105 Pages) STMICROELECTRONICS

77 / 105 page

CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000

VV5410 & VV6410

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cd5410-6410f-3-0.fm

3. y-offset of region of interest.

4. frame length.

The length of a line is specified in a number of pixel clocks, whereas the length of a field is specified in a number of lines.

The range of some parameter values is limited and any value programmed out-with this range will be clipped to the maximum

allowed. The x-offset and y-offset are only programmable if the user has selected the pan tilt QCIF mode. If the other video

modes are selected then the x-offset and y-offset registers will have pre-programmed values applied, but they cannot be

changed. The x-offset and y-offset default values are chosen such that the output image, regardless of video mode selected, will

be centered within the pixel array, (see Section 3.2 for details).

[103],

[67] - unused

[104-105],

[68-69] - reserved

[106-107],

[6A-6B] - unused

[108-109],

[6C-6D] - reserved

[110-111],

[6E-6F] - unused

9.5.5

System Registers -Addresses [112 - 127],

[70-7F]

This page of the serial interface I2C address space comprises a wide range of registers including the registers required to control

the black offset cancellation algorithm, enable test modes and also control various aspects of the analogue behavior of the

sensor.

Index10

Index16

Bit

Function

Default

Comment

80-81

50-51

reserved

1:0

Line Length MSB value

415

Minimum mode dependent

Maximum = 1023

Actual line duration in pixel periods is

line length programmed +1.

7:0

Line Length LSB value

84 - 86

54-56

reserved

x-offset MSB value

Minimum (positive) value = 1

7:0

x-offset LSB value

y-offset MSB value

Minimum (positive) value = 1

7:0

y-offset LSB value

91 - 96

5B-60

reserved

1:0

Field Length MSB value

319

Minimum mode dependent

Maximum = 1023

Actual field duration in line periods is

field length programmed +1.

7:0

Field Length LSB value

99-102

63-66

reserved

Table 50 : Video Timing Registers

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