ST21NFC datasheet(21/32 Pages) STMICROELECTRONICS

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Smartphones are able to take high quality

photos thanks to high-performance,

multi-megapixel sensors, as well as

devices that help compensate for

shaking, adapt to ambient light levels,

and optimize camera focus.

The latest smartphones integrate several

cameras, many of which require optical

stabilization. ST offers MEMS IMUs,

widely used for the OIS (optical image

stabilization). Many system topologies

can be adopted to enable OIS in

smartphones, including those based on

STM32 MCUs.

One main

I3C / SPI / I2C

One Aux SPI

OIS master

OIS sub 1

Camera modules

OIS sub 2

Target value

Supporting 3 OIS camera system by adding sub controllers

Main

I3C / SPI / I2C

OIS / EIS

Aux SPI

OIS

OIS controller

embedded on AP

UI / OIS / EIS

Serial bus

option 1

Serial bus

option 2

Camera modules

Platform-based OIS

One main

I3C / SPI / I2C

One Aux SPI

OIS master

OIS sub 1

Camera modules

OIS sub 2

OIS sub 3

Supporting multiple OIS camera system by adding sub controllers

Single 6x IMU for addressing multiple camera

One main

I3C / SPI / I2C

MCU

Target value

U/I

OIS / EIS

One Aux SPI

OIS / EIS

OIS

Camera

Subsystem

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