ST STM32L1 Series Application Note page 22

Peripheral migration
Table 9. Peripheral address mapping differences between STM32L1 Series
Peripheral
RNG
USB OTG FS
TSC
DFSDM
SAI2
SAI1
TIM17
TIM16
TIM15
TIM8
TIM1
FIREWALL
VREF
LPTIM2
SWPMI1
LPUART1
LPTIM1
CAN1
CRS
I2C3
QUADSPI
Color key:
= base address or bus change
= not applicable
1. Not Applicable for Cat. 4 devices
2. Only on Cat. 4 devices
The system memory mapping has been updated between STM32L1 and STM32L4 Series,
please refer to reference manual or datasheet for more details.
22/58
and STM32L4 Series (continued)
Bus
Peripherals available in STM32L4 Series and not available in STM32L1 Series
DocID027094 Rev 3
STM32L1 Series
Base address
NA
STM32L4 Series
Bus Base address
0x50060800
AHB2
0x50000000
AHB1 0x40024000
0x40016000
0x40015800
0x40015400
0x40014800
0x40014400
APB2
0x40014000
0x40013400
0x40012C00
0x40011C00
0x40010030
0x40009400
0x40008800
0x40008000
APB1 0x40007C00
0x40006400
0x40006000
0x40005C00
AHB3 0xA0001000
AN4612
(1)
(1)
(1)
(1)
(1)
(2)