511820003 datasheet(38/52 Pages) OSRAM

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Mira130

Sensor Operation

Datasheet

• PUBLIC

DS000715

• v6-00 • 2023-Aug-09

│ 37

9.4.2

AEC Control Registers

Figure 44:

Exposure (manual) Control Registers

Function

Address

Description

Exposure time

{16’h3e00[3:0], 16’h3e01,

16’h3e02}

Exposure time under normal mode/

total exposure time under HDR

mode, in the unit of 1/16 line

Exposure time under HDR

mode

{16’h3e31, 16’h3e32}

In the unit of 1/16 line

For AEC control, please refer to the following instructions:

The AEC adjustment step is 1/16 line of exposure time. One line of exposure time equals to line

length × T_SystemClk, where T_SystemClk is the period of the system clock, and line length

equals to the value of registers {16’h320c, 16’h320d}.

If the exposure time and gain are written to registers in the Nth frame, they are effective on the

(N+2)th frame.

The upper limit of the exposure time is 0, and the upper limit is frame length - 8 lines, where frame

length equals to the value of registers {16'h320e, 16'h320f}. Hence, the minimum value written to

registers {16'h3e00[3:0], 16'h3e01, 16'h3e02} is 0, and the maximum value is (the value of

registers {16'h320e, 16'h320f} - 8) x 16.

9.4.3

AGC Control Registers

Figure 45:

Exposure (manual) Control Registers

Mode

ANA GAIN

ANA FINE GAIN

DIG GAIN

DIG FINE GAIN

Long exposure time under

normal mode/HDR mode

’h3e08

’h3e09

’h3e06

’h3e07

Short exposure time

under HDR mode

’h3e12

’h3e13

’h3e10

’h3e11

511820003 Datasheet(PDF) 38 Page - OSRAM GmbH

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