Memory Mapping; Table 9. Peripheral Address Mapping Differences Between Stm32L1 Series; And Stm32L4 Series - ST STM32L1 Series Application Note

Peripheral migration
4.2

Memory mapping

The peripheral address mapping has been changed in the STM32L4 Series versus the
STM32L1 Series.
The table below provides the peripheral address mapping correspondence between
STM32L1 and STM32L4 Series.

Table 9. Peripheral address mapping differences between STM32L1 Series

Peripheral
FSMC (FMC in STM32L4
Series)
AES
DMA2
DMA1
Flash memory Interface
RCC
CRC
GPIOG
GPIOF
GPIOH
GPIOE
GPIOD
GPIOC
GPIOB
GPIOA
USART1
SP1
SDIO (SDMMC in
STM32L4 Series)
ADC1 (ADC123 in
STM32L4 Series)
TIM11
TIM10
TIM9
EXTI
SYSCFG
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and STM32L4 Series

STM32L1 Series
Bus Base address
0xA0000000
0x50060000
0x40026400
0x40026000
0x40023C00
0x40023800
0x40023000
AHB
0x40021C00
0x40021800
0x40021400
0x40021000
0x40020C00
0x40020800
0x40020400
0x40020000
0x40013800
0x40013000
0x40012C00
0x40012400
APB2
0x40011000
0x40010C00
0x40010800
0x40010400
0x40010000
DocID027094 Rev 3
STM32L4 Series
Bus Base address
AHB3 0xA0000000
AHB2 0x50060000
0x40020400
0x40020000
AHB1 0x40022000
0x40021000
0x40023000
0x48001800
0x48001400
0x48001C00
0x48001000
AHB2
0x48000C00
0x48000800
0x48000400
0x48000000
0x40013800
0x40013000
APB2
0x40012800
AHB2 0x50040000
NA
0x40010400
APB2
0x40010000
AN4612
(1)
(1)
(1)