MCM20027IBMN View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MCM20027IBMN

Color SXGA Digital Image Sensor 1280 x 1024 pixel progressive scan solid state image sensor with integrated CDS/PGA/ADC, digital programming, control, timing, and pixel correction features

Motorola => Freescale 

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

ImageMOS

Register

No

Register Name

Variable

Gain

Modes

Gain

Steps

Gain Formula

10h

Exposure PGA Global

gg1

Gain Register A; Table

25

RAW

0-32

33-63

0.6956 + (0.02174* gg1d)

1.391+ (0.0434* (gg1d-32)

LINEAR

0-47

0.6956 +(0.0434 x gg1d)

LINEAR 2

0-63

0.6956 + (0.0434 * gg2d)

21h

Exposure PGA Global

gg2

Gain Register B; Table

26

RAW

0-32

33-63

0.6956 + (0.02174* cg2d)

1.391+ (0.0434* (cg2d-32)

LINEAR

0-47

0.6956 +(0.0434 x cg2d)

LINEAR 2

0-63

0.6956 + (0.0434 * gg2d)

Table 4. Exposure Gain modes and Gain Formulas

Gain

Range

0.69-1.39

1.39-2.74

0.69-2.74

0.69-3.60

0.69-1.39

1.39-2.74

0.69-2.74

0.69-3.60

The Diagram below illustrates how the Exposure Gain Registers apply the gain onto the pixel data:

Pixel Data

Exposure PGA Gain

Register A

Exposure PGA Gain

Register B

MOTOROLA

Revision 8.4 - 24 Oct 2002: MCM20027

18

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