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STM32L072KB Datasheet(PDF) 8 Page - STMicroelectronics |
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STM32L072KB Datasheet(HTML) 8 Page - STMicroelectronics |
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8 / 147 page ![]() List of figures STM32L072xx 8/147 DocID027100 Rev 3 List of figures Figure 1. STM32L072xx block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 2. Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 3. STM32L072xx LQFP100 pinout - 14 x 14 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Figure 4. STM32L072xx UFBGA100 ballout - 7x 7 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 5. STM32L072xx LQFP64 pinout - 10 x 10 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Figure 6. STM32L072xx UFBGA64/TFBGA64 ballout - 5x 5 mm . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Figure 7. STM32L072xx WLCSP49 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 8. STM32L072xx LQFP48 pinout - 7 x 7 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 9. STM32L072xx LQFP32 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Figure 10. STM32L072xx UFQFPN32 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Figure 11. Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Figure 12. Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Figure 13. Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Figure 14. Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Figure 15. Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Figure 16. IDD vs VDD, at TA= 25/55/85/105 °C, Run mode, code running from Flash memory, Range 2, HSE, 1WS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 17. IDD vs VDD, at TA= 25/55/85/105 °C, Run mode, code running from Flash memory, Range 2, HSI16, 1WS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 18. IDD vs VDD, at TA= 25 °C, Low-power run mode, code running from RAM, Range 3, MSI (Range 0) at 64 KHz, 0 WS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Figure 19. IDD vs VDD, at TA= 25/55/ 85/105/125 °C, Stop mode with RTC enabled and running on LSE Low drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Figure 20. IDD vs VDD, at TA= 25/55/85/105/125 °C, Stop mode with RTC disabled, all clocks off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Figure 21. High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Figure 22. Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Figure 23. HSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Figure 24. Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Figure 25. HSI16 minimum and maximum value versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . 84 Figure 26. VIH/VIL versus VDD (CMOS I/Os) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Figure 27. VIH/VIL versus VDD (TTL I/Os) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Figure 28. I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Figure 29. Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Figure 30. ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Figure 31. Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Figure 32. Power supply and reference decoupling (VREF+ not connected to VDDA). . . . . . . . . . . . . 102 Figure 33. Power supply and reference decoupling (VREF+ connected to VDDA). . . . . . . . . . . . . . . . 103 Figure 34. 12-bit buffered/non-buffered DAC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Figure 35. SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Figure 36. SPI timing diagram - slave mode and CPHA = 1(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Figure 37. SPI timing diagram - master mode(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Figure 38. I2S slave timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Figure 39. I2S master timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Figure 40. USB timings: definition of data signal rise and fall time . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Figure 41. LQFP100 - 100-pin, 14 x 14 mm low-profile quad flat package outline . . . . . . . . . . . . . . 118 Figure 42. LQFP100 - 100-pin, 14 x 14 mm low-profile quad flat recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 |
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