STM32L4P5CE datasheet(51/311 Pages) STMICROELECTRONICS

51 / 311 page

DS12903 Rev 2

51/311

STM32L4P5xx

Functional overview

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External events

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Start-of-conversion synchronously with first digital filter module (DFSDM0)

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Analog watchdog feature:

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Low value and high-value data threshold registers

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Dedicated configurable Sincx digital filter (order = 1..3, oversampling ratio = 1..32)

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Input from final output data or from selected input digital serial channels

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Continuous monitoring independently from standard conversion

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Short circuit detector to detect saturated analog input values (bottom and top range):

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Up to 8-bit counter to detect 1..256 consecutive 0’s or 1’s on serial data stream

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Monitoring continuously each input serial channel

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Break signal generation on analog watchdog event or on short circuit detector event

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Extremes detector:

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Storage of minimum and maximum values of final conversion data

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Refreshed by software

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DMA capability to read the final conversion data

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Interrupts: end of conversion, overrun, analog watchdog, short circuit, input serial

channel clock absence

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“Regular” or “injected” conversions:

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“Regular” conversions can be requested at any time or even in continuous mode

without having any impact on the timing of “injected” conversions

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“Injected” conversions for precise timing and with high conversion priority

3.27

Digital camera interface (DCMI)

The devices embed a camera interface that can connect with any camera modules and

CMOS sensors through an 8-bit to 14-bit parallel interface in order to receive video data.

The camera interface can sustain a data transfer rate up to 54 Mbytes/s at 54 MHz. It

features:

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Programmable polarity for the input pixel clock and synchronization signals

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Parallel data communication of 8-, 10-, 12- or 14-bit

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Supports 8-bit progressive video monochrome or raw bayer format, YCbCr 4:2:2

progressive video, RGB 565 progressive video or compressed data (like JPEG)

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Supports continuous mode or snapshot (a single frame) mode

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Capability to automatically crop the image.

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