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32G474 数据表(PDF) 27 Page - STMicroelectronics

部件名 32G474
功能描述  Arm® Cortex®-M4 32-bit MCUFPU, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math acc, 184 ps 12 chan Hi-res timer
PDF  236 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

32G474 数据表(HTML) 27 Page - STMicroelectronics

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STM32G474xB STM32G474xC STM32G474xE
Functional overview
48
3.12
Interconnect matrix
Several peripherals have direct connections between them. This allows autonomous
communication between peripherals, saving CPU resources thus power supply
consumption. In addition, these hardware connections allow fast and predictable latency.
Depending on peripherals, these interconnections can operate in Run, Sleep and Stop
modes.
Table 3. STM32G474xB/xC/xE peripherals interconnect matrix
Interconnect source
Interconnect
destination
Interconnect action
TIMx
TIMx
Timers synchronization or chaining
Y
Y
Y
Y
-
ADCx
DACx
Conversion triggers
Y
Y
Y
Y
-
DMA
Memory to memory transfer trigger
Y
Y
Y
Y
-
COMPx
Comparator output blanking
Y
Y
Y
Y
-
TIM16/TIM17
IRTIM
Infrared interface output generation
Y
Y
Y
Y
-
COMPx
TIM1, 8, 20
TIM2, 3, 4, 5
Timer input channel, trigger, break from
analog signals comparison
YY
YY
-
LPTIMER1
Low-power timer triggered by analog
signals comparison
YY
YY
Y
HRTIM
COMPx Output is an input event or a
fault input for HRTIM
YY
YY
-
ADCx
TIM1, 8, 20
Timer triggered by analog watchdog
Y
Y
Y
Y
-
HRTIM
HRTIM external event source can be
ADCx analog watchdog
YY
YY
-
RTC
TIM16
Timer input channel from RTC events
Y
Y
Y
Y
-
LPTIMER1
Low-power timer triggered by RTC
alarms or tampers
YY
YY
Y
All clocks sources (internal and
external)
TIM5,
TIM15, 16, 17
Clock source used as input channel for
RC measurement and trimming
YY
YY
-
USB
TIM2
Timer triggered by USB SOF
Y
Y
-
-
-
CSS
RAM (parity error)
Flash memory (ECC error)
COMPx
PVD
TIM1,8, 20
TIM15,16,17
HRTIM
Timer break
HRTIM SYSFLT
YY
YY
-



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