29

Extended_Config

Address: 0x0b

Access: Read/Write

Reset Value: 0x00

Bit

7

6

5

4

3

2

1

0

Field

Busy

Reserved

Reserved

Reserved

Reserved

Serial_NPU

NAGC

Fixed_FR

Data Type: Bit field

USAGE: Register 0x0b allows the user to change the configuration of the sensor. Shown below are the bits, their default

values, and optional values.

Field Name

Description

Busy

Read-only bit. Indicates if it is safe to write to one or more of the following registers:

Frame_Period_Max_Bound_Upper and Lower

Frame_Period_Min_Bound_Upper and Lower

Shutter_Max_Bound_Upper and Lower

After writing to the Frame_Period_Max_Bound_Upper register, at least two frames must pass before

writing again to any of the above registers. This bit may be used in lieu of a timer since the actual frame

rate may not be known when running in auto mode.

0 = writing to the registers is allowed

1 = do not write to the registers yet

Serial_NPU

Disable serial port pull-up current sources

0 = no, current sources are on

1 = yes, current sources are off

NAGC

Disable AGC. Shutter will be set to the value in the Shutter_Max_Bound registers.

0 = no, AGC is active

1 = yes, AGC is disabled

Fixed_FR

Fixed frame rate (disable automatic frame rate control). When this bit is set, the frame rate will be

determined by the value in the Frame_Period_Max_Bound registers.

0 = automatic frame rate

1 = fixed frame rate

PixArt Imaging Inc.

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PixArt Imaging Inc.