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STM32U073RCY3 Datasheet(PDF) 15 Page - STMicroelectronics

Part # STM32U073RCY3
Description  Ultra-low-power Arm® Cortex®-M0 32-bit MCU, up to 256-Kbyte flash memory, 40-Kbyte SRAM, USB, LCD
PDF  146 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U073RCY3 Datasheet(HTML) 15 Page - STMicroelectronics

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Table 4. Interconnect of peripherals
Interconnect source
Interconnect
destination
Interconnect action
TIMx
TIMx
Timer synchronization or chaining
Y
Y
-
ADCx
DACx
Conversion triggers
Y
Y
-
DMA
Memory-to-memory transfer trigger
Y
Y
-
COMPx
Comparator output blanking
Y
Y
-
COMPx
TIM1, 2, 3
Timer input channel, trigger, break from analog
signals comparison
Y
Y
-
LPTIMx
Low-power timer triggered by analog signals
comparison
Y
Y
Y
ADCx
TIM1
Timer triggered by analog watchdog
Y
Y
-
RTC
TIM16
Timer input channel from RTC events
Y
Y
-
LPTIMx
Low-power timer triggered by RTC alarms or
tampers
Y
Y
Y
All clock sources (internal and
external)
TIM16
Clock source used as input channel for RC
measurement and trimming
Y
Y
-
CSS
RAM (parity error)
Flash memory (ECC error)
COMPx
PVD
TIM1, 15, 16
Timer break
Y
Y
-
CPU (HardFault)
TIM1 15, 16
Timer break
Y
-
-
GPIOs
TIMx
External trigger
Y
Y
-
LPTIMx
External trigger
Y
Y
Y
ADCx
DACx
Conversion external trigger
Y
Y
-
3.9
Reset and clock controller (RCC)
3.9.1
Reset mode
During and upon exiting reset, the schmitt triggers of I/Os are disabled so as to reduce power consumption. In
addition, when the reset source is internal, the built-in pull-up resistor on NRST pin is deactivated.
3.9.2
Clocks and startup
The clock controller distributes the clocks coming from different oscillators to the core and the peripherals. It also
manages clock gating for low-power modes and ensures clock robustness. It features:
•
Clock prescaler: to get the best trade-off between speed and current consumption, the clock frequency to
the CPU and peripherals can be adjusted by a programmable prescaler.
STM32U073x8/B/C
Functional overview
DS14548 - Rev 2
page 15/146



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