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STM32U545NET3QTR Datasheet(PDF) 66 Page - STMicroelectronics

Part # STM32U545NET3QTR
Description  Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, 512 KB flash memory, 274 KB SRAM, crypto
PDF  283 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U545NET3QTR Datasheet(HTML) 66 Page - STMicroelectronics

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Functional overview
STM32U545xx
66/283
DS14216 Rev 1
All the digital processing is performed using only the kernel clock. The ADF requests the bus
interface clock (AHB clock) only when data must be transfered or when a specific event
requests the attention of the system processor.
The ADF main features are:
•
AHB interface
•
One serial digital input:
–
Configurable SPI interface to connect various digital sensors
–
Configurable Manchester coded interface support
–
Compatible with PDM interface to support digital microphones
•
Two common clocks input/output for Σ∆ modulators
•
Flexible BSMX for connection between filters and digital inputs
•
One flexible digital filter path, including:
–
A configurable CIC filter:
- Can be configured in Sinc4 filter
- Can be configured in Sinc5 filter
- Adjustable decimation ratio
–
A reshape filter to improve the out-off band rejection and in-band ripple
–
A high-pass filter to cancel the DC offset
–
Gain control
–
Saturation blocks
•
Clock absence detector
•
Sound activity detector
•
16- or 24-bit signed output data resolution
•
Continuous or single conversion
•
Possibility to delay independently each bitstream
•
Various trigger possibilities
•
Autonomous mode in Stop 0, Stop 1 and Stop 2 modes
•
Wake-up from Stop with all interrupts
•
DMA can be used to read the conversion data
•
Interrupts services



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