Datasheet
Functional overview STM32H743xI
32/226 DocID030538 Rev 3
• short circuit detector to detect saturated analog input values (bottom and top range):
– up to 8-bit counter to detect 1..256 consecutive 0’s or 1’s on serial data stream
– monitoring continuously each input serial channel
• break signal generation on analog watchdog event or on short circuit detector event
• extremes detector:
– storage of minimum and maximum values of final conversion data
– refreshed by software
• DMA capability to read the final conversion data
• interrupts: end of conversion, overrun, analog watchdog, short circuit, input serial
channel clock absence
• “regular” or “injected” conversions:
– “regular” conversions can be requested at any time or even in continuous mode
without having any impact on the timing of “injected” conversions
– “injected” conversions for precise timing and with high conversion priority
3.24 Digital camera interface (DCMI)
The devices embed a camera interface that can connect with camera modules and CMOS
sensors through an 8-bit to 14-bit parallel interface, to receive video data. The camera
interface can achieve a data transfer rate up to 140 Mbyte/s using a 80 MHz pixel clock. It
fe
atures:
• Pr
ogrammable polarity for the input pixel clock and synchronization signals
• Parallel data communication can be 8-, 10-, 12- or 14-bit
• 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)
• Supports continuous mode or snapshot (a single frame) mode
• Capability to automatically crop the image
Table 4. DFSDM implementation
DFSDM features DFSDM1
Number of filters 4
Number of input
transceivers/channels
8
Internal ADC parallel input X
Number of external triggers 16
Regular channel information in
identification register
X
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