Datasheet

List of figures STM32F102x8, STM32F102xB
6/80 DocID15056 Rev 5
List of figures
Figure 1. STM32F102T8 medium-density USB access line block diagram . . . . . . . . . . . . . . . . . . . . 10
Figure 2. Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 3. STM32F102xx medium-density USB access line LQFP48 pinout . . . . . . . . . . . . . . . . . . . 19
Figure 4. STM32F102xx medium-density USB access line LQFP64 pinout . . . . . . . . . . . . . . . . . . . 19
Figure 5. Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 6. Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 7. Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 8. Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 9. Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 10. Typical current consumption in Run mode versus temperature (at 3.6 V) -
code with data processing running from RAM, peripherals enabled. . . . . . . . . . . . . . . . . . 35
Figure 11. Typical current consumption in Run mode versus temperature (at 3.6 V) -
code with data processing running from RAM, peripherals disabled . . . . . . . . . . . . . . . . . 35
Figure 12. Typical current consumption on V
BAT
with RTC on versus temperature at different
V
BAT
values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 13. Typical current consumption in Stop mode with regulator in Run mode versus
temperature at V
DD
= 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 14. Typical current consumption in Stop mode with regulator in Low-power mode versus
temperature at V
DD
= 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 15. Typical current consumption in Standby mode versus temperature at V
DD
= 3.3 V and
3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 16. High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 17. Low-speed external clock source AC timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 18. Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 19. Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 20. Standard I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 21. Standard I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 22. 5 V tolerant I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 23. 5 V tolerant I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 24. I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 25. Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 26. I
2
C bus AC waveforms and measurement circuit
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 27. SPI timing diagram - slave mode and CPHA=0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 28. SPI timing diagram - slave mode and CPHA=1
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 29. SPI timing diagram - master mode
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 30. USB timings: definition of data signal rise and fall time . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 31. ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 32. Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 33. Power supply and reference decoupling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 34. LQFP64 – 10 x 10 mm, 48-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . 70
Figure 35. LQFP64 recommended footprint dimensions
(1)(2)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 36. LQFP48 – 7 x 7 mm, 48-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . . . 72
Figure 37. LQFP48 recommended footprint dimensions
(1)(2)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 38. LQFP64 P
D
max vs. T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75