Datasheet

Functional overview STM32L496xx
48/272 DS11585 Rev 9
without having any impact on the timing of “injected” conversions
– “injected” conversions for precise timing and with high conversion priority
3.25 Random number generator (RNG)
All devices embed an RNG that delivers 32-bit random numbers generated by an integrated
analog circuit.
3.26 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 sustain a data transfer rate up to 54 Mbyte/s at 54 MHz. It features:
• Programmable 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
3.27 Timers and watchdogs
The STM32L496xx includes two advanced control timers, up to nine general-purpose
timers, two basic timers, two low-power timers, two watchdog timers and a SysTick timer.
The table below compares the features of the advanced control, general purpose and basic
timers.
Table 10. Timer feature comparison
Timer type Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA
request
generation
Capture/
compare
channels
Complementary
outputs
Advanced
control
TIM1, TIM8 16-bit
Up, down,
Up/down
Any integer
between 1
and 65536
Yes 4 3
General-
purpose
TIM2, TIM5 32-bit
Up, down,
Up/down
Any integer
between 1
and 65536
Yes 4 No
General-
purpose
TIM3, TIM4 16-bit
Up, down,
Up/down
Any integer
between 1
and 65536
Yes 4 No
General-
purpose
TIM15 16-bit Up
Any integer
between 1
and 65536
Yes 2 1
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