ST STM32L1 Series Application Note page 4

List of tables
List of tables
Table 1. Product category overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 2. Packages available on STM32L4xx series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. STM32L1 Series and STM32L4 Series pinout differences (QFP) . . . . . . . . . . . . . . . . . . . . 8
Table 4. STM32L1 Series and STM32L4 Series pinout differences (BGA) . . . . . . . . . . . . . . . . . . . . 9
Table 5. Boot modes for STM32L4 Cat. 2 devices and STM32L1 lines . . . . . . . . . . . . . . . . . . . . . . 14
Table 6. Boot modes for STM32L4 Cat. 4 devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 7. Bootloader interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 8. Peripheral compatibility analysis STM32L1 Series versus STM32L4 Series . . . . . . . . . . . 17
Table 9. Peripheral address mapping differences between STM32L1 Series
and STM32L4 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 10. DMA request differences migrating STM32L1 Series
to STM32L4 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 11. Interrupt vector differences between STM32L1 Series
and STM32L4 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 12. RCC differences between STM32L1 and STM32L4 Series . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 13. Performance versus VCORE ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 14. RCC registers used for peripheral access configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 15. PWR differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . . 34
Table 16. RTC differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . . . 37
Table 17. SYSCFG differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . 38
Table 18. EXTI differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . . 39
Table 19. FLASH differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . 40
Table 20. U(S)ART differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . 42
Table 21. I2C differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . . . . 44
Table 22. SPI differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . . . 45
Table 23. Migrating from I2S to SAI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 24. CRC differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . . 49
Table 25. AES differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . . . 50
Table 26. USB differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . . . 51
Table 27. ADC differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . . . 52
Table 28. DAC differences between STM32L1 Series and STM32L4 Series. . . . . . . . . . . . . . . . . . . 54
Table 29. COMP differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . . 55
Table 30. OPAMP differences between STM32L1 Series and STM32L4 Series . . . . . . . . . . . . . . . . 56
Table 31. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
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