STM32L031x4/6 表格列表
表格列表
Table 1. Device summary ....................................................................................................................1
Table 2. Ultra-low-power STM32L031x4/x6 device features and peripheral counts..........................11
Table 3. Functionalities depending on the operating power supply range.........................................17
Table 4. CPU frequency range depending on dynamic voltage scaling ............................................17
Table 5. Functionalities depending on the working mode
(from Run/active down to standby) ......................................................................................17
Table 6. STM32L0xx peripherals interconnect matrix .......................................................................19
Table 7. Temperature sensor calibration values................................................................................27
Table 8. Internal voltage reference measured values........................................................................27
Table 9. Timer feature comparison....................................................................................................28
Table 10. Comparison of I2C analog and digital filters ........................................................................30
Table 11. STM32L031x4/6 I
2
C实现 .....................................................................................................31
Table 12. USART implementation .......................................................................................................31
Table 13. SPI implementation..............................................................................................................32
Table 14. Legend/abbreviations used in the pinout table ....................................................................37
Table 15. Pin definitions.......................................................................................................................38
Table 16. Alternate functions ...............................................................................................................44
Table 17. Voltage characteristics.........................................................................................................49
Table 18. Current characteristics.........................................................................................................50
Table 19. Thermal characteristics........................................................................................................50
Table 20. General operating conditions...............................................................................................51
Table 21. Embedded reset and power control block characteristics....................................................52
Table 22. Embedded internal reference voltage calibration values .....................................................54
Table 23. Embedded internal reference voltage..................................................................................54
Table 24. Current consumption in Run mode, code with data processing running
from Flash memory..............................................................................................................56
Table 25. Current consumption in Run mode vs code type,
code with data processing running from Flash memory ......................................................56
Table 26. Current consumption in Run mode, code with data processing running from RAM.............58
Table 27. Current consumption in Run mode vs code type,
code with data processing running from RAM .....................................................................58
Table 28. Current consumption in Sleep mode....................................................................................59
Table 29. Current consumption in Low-power run mode.....................................................................60
Table 30. Current consumption in Low-power Sleep mode .................................................................61
Table 31. Typical and maximum current consumptions in Stop mode ................................................62
Table 32. Typical and maximum current consumptions in Standby mode...........................................63
Table 33. Average current consumption during wakeup......................................................................63
Table 34. Peripheral current consumption in Run or Sleep mode .......................................................64
Table 35. Peripheral current consumption in Stop and Standby mode................................................65
Table 36. Low-power mode wakeup timings........................................................................................66
Table 37. High-speed external user clock characteristics....................................................................67
Table 38. Low-speed external user clock characteristics ....................................................................68
Table 39. HSE oscillator characteristics ..............................................................................................69
Table 40. LSE oscillator characteristics...............................................................................................70
Table 41. 16 MHz HSI16 oscillator characteristics ..............................................................................71
Table 42. LSI oscillator characteristics ................................................................................................72
Table 43. MSI oscillator characteristics ...............................................................................................72
Table 44. PLL characteristics...............................................................................................................73