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STM32F042C4 bảng dữ liệu(PDF) 31 Page - STMicroelectronics

tên linh kiện STM32F042C4
Giải thích chi tiết về linh kiện  Reset and power management
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32F042C4 bảng dữ liệu(HTML) 31 Page - STMicroelectronics

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STM32F042x4 STM32F042x6
Pinouts and pin descriptions
38
Figure 9. TSSOP20 package
1. Pin pair PA11/12 can be remapped in place of pin pair PA9/10 using the SYSCFG_CFGR1 register.
Table 12. Legend/abbreviations used in the pinout table
Name
Abbreviation
Definition
Pin name
Unless otherwise specified in brackets below the pin name, the pin function during and
after reset is the same as the actual pin name
Pin type
S
Supply pin
I/O
Input / output pin
I/O structure
FT
5 V-tolerant I/O
FTf
5 V-tolerant I/O, FM+ capable
TTa
3.3 V-tolerant I/O directly connected to ADC
TC
Standard 3.3 V I/O
RST
Bidirectional reset pin with embedded weak pull-up resistor
Notes
Unless otherwise specified by a note, all I/Os are set as floating inputs during and after
reset.
Pin
functions
Alternate
functions
Functions selected through GPIOx_AFR registers
Additional
functions
Functions directly selected/enabled through peripheral registers



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