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ST STM32L4+ Series Reference Manual page 27

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RM0432
30.3
DSI Host main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 925
30.4
DSI Host functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 926
30.4.1
30.4.2
30.4.3
30.5
Functional description: Video mode on LTDC interface . . . . . . . . . . . . . 929
30.5.1
30.5.2
30.6
Functional description: adapted command mode on LTDC interface . . . 934
30.7
Functional description: APB slave generic interface . . . . . . . . . . . . . . . 938
30.7.1
30.8
Functional description: Timeout counters . . . . . . . . . . . . . . . . . . . . . . . . 942
30.8.1
30.8.2
30.9
Functional description: transmission of commands . . . . . . . . . . . . . . . . 948
30.9.1
30.9.2
30.9.3
30.9.4
30.9.5
30.10 Functional description: virtual channels . . . . . . . . . . . . . . . . . . . . . . . . . 957
30.11 Functional description: video mode pattern generator . . . . . . . . . . . . . . 958
30.11.1 Color bar pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 958
30.11.2 Color coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 959
30.11.3 BER testing pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 960
30.11.4 Video mode pattern generator resolution . . . . . . . . . . . . . . . . . . . . . . 961
30.12 Functional description: D-PHY management . . . . . . . . . . . . . . . . . . . . . 962
30.12.1 D-PHY configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 962
30.12.2 Special D-PHY operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 964
30.12.3 Special Low-power D-PHY functions . . . . . . . . . . . . . . . . . . . . . . . . . . 964
30.12.4 DSI PLL control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 965
30.12.5 Regulator control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 966
30.13 Functional description: interrupts and errors . . . . . . . . . . . . . . . . . . . . . 967
30.13.1 DSI wrapper interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 967
30.13.2 DSI host interrupts and errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 967
30.14 Programing procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 974
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 926
Supported resolutions and frame rates . . . . . . . . . . . . . . . . . . . . . . . . 926
System level architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 927
Video transmission mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 930
Updating the LTDC interface configuration in video mode . . . . . . . . . . 932
Packet transmission using the generic interface . . . . . . . . . . . . . . . . . 939
Contention error detection timeout counters . . . . . . . . . . . . . . . . . . . . 942
Peripheral response timeout counters . . . . . . . . . . . . . . . . . . . . . . . . . 943
Transmission of commands in Video mode . . . . . . . . . . . . . . . . . . . . . 948
Transmission of commands in Low-power mode . . . . . . . . . . . . . . . . . 950
Transmission of commands in High-speed . . . . . . . . . . . . . . . . . . . . . 954
Read command transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 954
Clock lane in Low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 955
RM0432 Rev 6
Contents
27/2301
60

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