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STM32F042F4 数据表(PDF) 5 Page - STMicroelectronics

部件名 STM32F042F4
功能描述  Reset and power management
PDF  117 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F042F4 数据表(HTML) 5 Page - STMicroelectronics

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STM32F042x4 STM32F042x6
List of tables
6
List of tables
Table 1.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2.
STM32F042x4/x6 device features and peripheral counts . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 3.
Temperature sensor calibration values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 4.
Internal voltage reference calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 5.
Capacitive sensing GPIOs available on STM32F042x4/x6 devices . . . . . . . . . . . . . . . . . . 20
Table 6.
No. of capacitive sensing channels available on STM32F042x devices. . . . . . . . . . . . . . . 21
Table 7.
Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 8.
Comparison of I2C analog and digital filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 9.
STM32F042x4/x6 I2C implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 10.
STM32F042x4/x6 USART implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 11.
STM32F042x4/x6 SPI/I2S implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 12.
Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 13.
STM32F042x pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 14.
Alternate functions selected through GPIOA_AFR registers for port A . . . . . . . . . . . . . . . 37
Table 15.
Alternate functions selected through GPIOB_AFR registers for port B . . . . . . . . . . . . . . . 38
Table 16.
Alternate functions selected through GPIOF_AFR registers for port F. . . . . . . . . . . . . . . . 38
Table 17.
STM32F042x4/x6 peripheral register boundary addresses . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 18.
Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 19.
Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 20.
Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 21.
General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Table 22.
Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 23.
Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 24.
Programmable voltage detector characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 25.
Embedded internal reference voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 26.
Typical and maximum current consumption from VDD supply at VDD = 3.6 V . . . . . . . . . . 50
Table 27.
Typical and maximum current consumption from the VDDA supply . . . . . . . . . . . . . . . . . 52
Table 28.
Typical and maximum consumption in Stop and Standby modes . . . . . . . . . . . . . . . . . . . 53
Table 29.
Typical and maximum current consumption from the VBAT supply. . . . . . . . . . . . . . . . . . . 54
Table 30.
Typical current consumption, code executing from Flash memory,
running from HSE 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 31.
Switching output I/O current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 32.
Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Table 33.
Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Table 34.
High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Table 35.
Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Table 36.
HSE oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 37.
LSE oscillator characteristics (fLSE = 32.768 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 38.
HSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Table 39.
HSI14 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Table 40.
HSI48 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 41.
LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 42.
PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 43.
Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 44.
Flash memory endurance and data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 45.
EMS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 46.
EMI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 47.
ESD absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71



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