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AN3422 Datasheet(PDF) 26 Page - STMicroelectronics

Part # AN3422
Description  Migration of microcontroller applications from STM32F1 to STM32L1 series
PDF  52 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3422 Datasheet(HTML) 26 Page - STMicroelectronics

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Peripheral migration
AN3422
26/52
Doc ID 018976 Rev 2
4.6
Interrupts
The table below presents the interrupt vectors in STM32L1 series vs. STM32F1 series.
The changes in the interrupt vectors impact only a few peripherals:
1.
ADC: in the F1 series there are two interrupt vectors for the ADCs; ADC1_2 and ADC3.
However in L1 series there is a single interrupt vector for ADC1; ADC1_IRQ.
2.
As in STM32L1 series there are no CAN or TIM1 peripherals, their corresponding IRQs
are now mapped to new peripherals: COMP, DAC, TIM9, TIM10, TIM11 and LCD.
TIM15
TIM15_UP
TIM15_CH1
TIM15_TRIG
TIM15_COM
DMA1_Channel5
DMA1_Channel5
DMA1_Channel5
DMA1_Channel5
NA
TIM16
TIM16_UP
TIM16_CH1
DMA1_Channel6
DMA1_Channel6
NA
TIM17
TIM17_UP
TIM17_CH1
DMA1_Channel7
DMA1_Channel7
NA
AES
AES_OUT
AES_IN
NA
DMA2_Channel3
DMA2_Channel5
1.
For High-density value line devices, the DAC DMA requests are mapped respectively on DMA1 Channel 3 and DMA1
Channel 4
Table 9.
DMA request differences between STM32F1 series and STM32L1 series (continued)
Peripheral
DMA request
STM32F1 series
STM32L1 series
Table 10.
Interrupt vector differences between STM32F1 series and STM32L1 series
Position
STM32F1 series
STM32L1 series
0
WWDG
WWDG
1
PVD
PVD
2
TAMPER
TAMPER_ STAMP
3RTC
RTC_WKUP
4
FLASH
FLASH
5RCC
RCC
6
EXTI0
EXTI0
7
EXTI1
EXTI1
8
EXTI2
EXTI2
9
EXTI3
EXTI3
10
EXTI4
EXTI4
11
DMA1_Channel1
DMA1_Channel1
12
DMA1_Channel2
DMA1_Channel2
13
DMA1_Channel3
DMA1_Channel3



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