STM32L432KB datasheet(6/149 Pages) STMICROELECTRONICS

6 / 149 page

List of tables

STM32L432KB STM3L432KC

6/149

DocID028798 Rev 2

List of tables

Table 1.

STM32L432Kx family device features and peripheral counts. . . . . . . . . . . . . . . . . . . . . . . 10

Table 2.

Access status versus readout protection level and execution modes. . . . . . . . . . . . . . . . . 14

Table 3.

Functionalities depending on the working mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 4.

STM32L432xx peripherals interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 5.

DMA implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 6.

Temperature sensor calibration values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 7.

Internal voltage reference calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 8.

Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 9.

I2C implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 10.

STM32L432xx USART/LPUART features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Table 11.

SAI implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 12.

Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 13.

STM32L432xx pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 14.

Alternate function AF0 to AF7 (for AF8 to AF15 see Table 15) . . . . . . . . . . . . . . . . . . . . . 50

Table 15.

Alternate function AF8 to AF15 (for AF0 to AF7 see Table 14) . . . . . . . . . . . . . . . . . . . . . 52

Table 16.

STM32L432xx memory map and peripheral register boundary addresses . . . . . . . . . . . . 55

Table 17.

Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Table 18.

Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 19.

Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 20.

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 21.

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Table 22.

Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 63

Table 23.

Embedded internal voltage reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 24.

Current consumption in Run and Low-power run modes, code with data processing

running from Flash, ART enable (Cache ON Prefetch OFF) . . . . . . . . . . . . . . . . . . . . . . . 68

Table 25.

Current consumption in Run and Low-power run modes, code with data processing

running from Flash, ART disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 26.

Current consumption in Run and Low-power run modes, code with data processing

running from SRAM1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Table 27.

Typical current consumption in Run and Low-power run modes, with different codes

running from Flash, ART enable (Cache ON Prefetch OFF) . . . . . . . . . . . . . . . . . . . . . . . 71

Table 28.

Typical current consumption in Run and Low-power run modes, with different codes

running from Flash, ART disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 29.

Typical current consumption in Run and Low-power run modes, with different codes

running from SRAM1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 30.

Current consumption in Sleep and Low-power sleep modes, Flash ON . . . . . . . . . . . . . . 73

Table 31.

Current consumption in Low-power sleep modes, Flash in power-down . . . . . . . . . . . . . . 74

Table 32.

Current consumption in Stop 2 mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Table 33.

Current consumption in Stop 1 mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Table 34.

Current consumption in Stop 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Table 35.

Current consumption in Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Table 36.

Current consumption in Shutdown mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Table 37.

Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Table 38.

Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Table 39.

Regulator modes transition times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Table 40.

Wakeup time using USART/LPUART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Table 41.

High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Table 42.

Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

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