VX6953CB datasheet(36/107 Pages) STMICROELECTRONICS

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VX6953CB

36/107

8209023 Rev 5

4.8

Image scaling registers [0x0400 to 0x04FF]

0x034E Hi

y_output_size

16UI

07.A8

Height of image data output from the

sensor module.

Units: Lines

0x034F Lo

0x0380 Hi

x_even_inc

16UI

00.01

Increment for even pixels. x_even_inc

must = 1 for focus_estimation to

operate effectively.

Units: Pixels

0x0381 Lo

0x0382 Hi

x_odd_inc

16UI

00.01

Increment for odd pixels.

Units: Pixels

0x0383 Lo

0x0384 Hi

y_even_inc

16UI

00.01

Increment for even pixels. y_even_inc

must = 1 for focus_estimation to

operate effectively.

Units: Pixels

0x0385 Lo

0x0386 Hi

y_odd_inc

16UI

00.01

Increment for odd pixels.

Units: Pixels

0x0387

1. Has to be modulo 4 for correct operation of device.

Table 15. Video timing registers [0x0300 to 0x03FF] (continued)

Index

Byte

Data type Default Type

Comment

Table 16. Image scaling registers [0x0400 to 0x04FF]

Index Byte

Data type Default Type

Comment

0x0400 Hi

scaling_mode

16UI

00.00

0 – No scaling

1 – Horizontal scaling

2 – Full scaling (horizontal and

vertical)

0x0401 Lo

0x0402 Hi

spatial_sampling

16UI

00.00

0 – Bayer sampling

1 – Co-sited sampling

0x0403 Lo

0x0404 Hi

scale_m

16UI

00.10

Down scale factor M component

(denominator)

0x0405 Lo

0x0406 Hi

scale_n

16UI

00.10

Down scale factor N component

(numerator, always 16)

0x0407 Lo

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