STM32H747AI datasheet(41/252 Pages) STMICROELECTRONICS

41 / 252 page

DS12930 Rev 1

31/242

STM32H747xI/G

Functional overview

•

3D transmission support

•

Configurable selection of system interfaces

–

AMBA APB for control and optional support for Generic and DCS commands

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Video mode interface through LTDC

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Adapted Command mode interface through LTDC

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Independently programmable Virtual Channel ID in Video, Adapted Command or

APB Slave mode

•

Video mode interfaces features

–

LTDC interface color coding mappings into 24-bit interface:

16-bit RGB, configurations 1, 2, and 3

18-bit RGB, configurations 1 and 2

24-bit RGB

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Programmable polarity of all LTDC interface signals

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Extended resolutions beyond the DPI standard maximum resolution of 800x480

pixels; the maximum resolution is limited by the available DSI physical link

bandwidth:

Number of lanes: 2

Maximum speed per lane: 1 Gbps

•

Adapted interface features

–

Support for sending large amounts of data through the memory_write_start (WMS)

and memory_write_continue (WMC) DCS commands

–

LTDC interface color coding mappings into 24-bit interface:

16-bit RGB, configurations 1, 2, and 3

18-bit RGB, configurations 1 and 2

24-bit RGB

•

Video mode pattern generator

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Vertical and horizontal color bar generation without LTDC stimuli

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BER pattern without LTDC stimuli

3.27

JPEG Codec (JPEG)

The JPEG Codec can encode and decode a JPEG stream as defined in the ISO/IEC 10918-

1 specification. It provides an fast and simple hardware compressor and decompressor of

JPEG images with full management of JPEG headers.

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