MT9M114_1 datasheet(18/45 Pages) ONSEMI

Part #	MT9M114

Description	High?륞efinition (HD) System?륮n?륾?륝hip (SOC) Digital Image Sensor

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MT9M114

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Binning and Summing

The MT9M114 sensor core supports binning and

summing. Binning has many of the same characteristics as

subsampling but it gathers image data from all pixels in the

active window (rather than a subset of them).

Pixel binning will sample pixels and average the value

together in the analog domain. Summing will add the charge

or voltage values of the neighboring pixels together.

(Se

means “charge summing”,

Sv means “voltage summing”,

and avg means ”digital averaging (post ADC). The

advantage of using summing is that the pixel data is added

together and up to 4X increase in responsivity is achieved.

Figure 19. Pixel Binning and Summing

2 x 2 Binning and Summing

Binning (x-Binnig, y-Summing)

Summing (x/y-Summing)

Avg

Se

Sv

Se

Figure 20. Pixel Readout (Column and Row Binning)

X Incrementing

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