VG6640 datasheet(49/126 Pages) STMICROELECTRONICS

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DocID023597 Rev 11

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VG6640, VD6640

Control interface

125

4.2.8

User interface set 1 registers [0x2287 to 0x23E9]

Two user interface register sets are provided to allow frame-by-frame context switching of

exposure, frame length, HDR merge, defect correction, PWL compression parameters and

statistics accumulation. While one frame is being streamed using the active context settings,

new settings may be programmed to the non-active context, ready for use by the next

frame.

These settings must be written with the grouped_parameter_hold flag set. The status of the

integration and gain registers is reported in the frame status line.

Table 17. User interface set 1 integration and gain registers [0x2287 to 0x2295]

Index

Byte

Data

type

Default

Type

Comment

0x2287

TokenId

8UI

0x05

Token ID used for identification of

this UI Set

0x2288 HI

CoarseTimeLong

16UI

0x03

Coarse integration time for long pipe

(lines)

Min = 0 lines

Max = framelength_lines - 115

0x2289 LO

0x84

0x228A HI

CoarseTimeMedium

16UI

0x00

Coarse integration time for medium

pipe (lines)

Min = 0 lines

Max = 96

0x228B LO

0x5F

0x228C HI

CourseTimeShort

16UI

0x00

Coarse integration time for short pipe

(lines)

Min = 0 lines

Max = 13

0x228D LO

0x0D

0x228E

AnalogGain

0x00

Global analog gain (coded)

0x00 = Gain x1.0 (+0dB)

0x01 = Gain x1.07 (+0.6dB)

0x02 = Gain x1.1 (+1.2dB)

0x03 = Gain x1.2 (+1.8dB)

0x04 = Gain x1.3 (+2.5dB)

0x05 = Gain x1.5 (+3.3dB)

0x06 = Gain x1.6 (+4.1dB)

0x07 = Gain x1.8 (+5.0dB)

0x08 = Gain x2.0 (+6.0dB)

0x09 = Gain x2.3 (+7.2dB)

0x0A = Gain x2.7 (+8.5dB)

0x0B = Gain x3.2 (+10.1dB)

0x0C = Gain x4.0 (+12.0dB)

0x0D = Gain x5.3 (+14.5dB)

0x0E = Gain x8.0 (+18.0dB)

0x0F = Gain x16.0 (+24.0dB)

VG6640 Datasheet(PDF) 49 Page - STMicroelectronics

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