AR0130CSSC00SPBA0-DR datasheet(17/53 Pages) ONSEMI

17 / 53 page

AR0130 DS Rev. L Pub. 6/15 EN

©Semiconductor Components Industries, LLC, 2015.

AR0130: 1/3-Inch CMOS Digital Image Sensor

Real-Time Context Switching

In the AR0130, the user may switch between two full register sets (listed in Table 6) by

writing to a context switch change bit in R0x30B0[13]. This context switch will change all

registers (no shadowing) at the frame start time and have the new values apply to the

immediate next exposure and readout time.

Features

See the AR0130 Register Reference for additional details.

Reset

The AR0130 may be reset by using RESET_BAR (active LOW) or the reset register.

Hard Reset of Logic

The RESET_BAR pin can be connected to an external RC circuit for simplicity. The

recommended RC circuit uses a 10k resistor and a 0.1F capacitor. The rise time for the

RC circuit is 1s maximum.

Soft Reset of Logic

Soft reset of logic is controlled by the R0x301A Reset register. Bit 0 is used to reset the

digital logic of the sensor while preserving the existing two-wire serial interface configu-

ration. Furthermore, by asserting the soft reset, the sensor aborts the current frame it is

processing and starts a new frame. This bit is a self-resetting bit and also returns to “0”

during two-wire serial interface reads.

Clocks

The AR0130 requires one clock input (EXTCLK).

Table 6:

Real-Time Context-Switchable Registers

Context A

Context B

Y_Addr_Start

R0x3002

R0x308C

X_Addr_Start

R0x3004

R0x308A

Y_Addr_End

R0x3006

R0x3090

X_Addr_End

R0x3008

R0x308E

Coarse_Integration_Time

R0x3012

R0x3016

Fine_Integration_Time

R0x3014

R0x3018

Y_Odd_Inc

R0x30A6

R0x30A8

Green1_Gain (GreenR)

R0x3056

R0x30BC

Blue_Gain

R0x3058

R0x30BE

Red_Gain

R0x305A

R0x30C0

Green2_Gain (GreenB)

R0x305C

R0x30C2

Global_Gain

R0x305E

R0x30C4

Analog Gain

R0x30B0[5:4]

R0x30B0[9:8]

Frame_Length_Lines

R0x300A

R0x30AA

Digital_Binning

R0x3032[1:0]

R0x3032[5:4]

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