STM32F042C4 datasheet(31/117 Pages) STMICROELECTRONICS

No. de pieza	STM32F042C4

Descripción Electrónicos	Reset and power management

PDF	117 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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DocID025832 Rev 5

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STM32F042x4 STM32F042x6

Pinouts and pin descriptions

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

Supply pin

I/O

Input / output pin

I/O structure

5 V-tolerant I/O

FTf

5 V-tolerant I/O, FM+ capable

TTa

3.3 V-tolerant I/O directly connected to ADC

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.

functions

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

STM32F042C4 Datasheet(PDF) 31 Page - STMicroelectronics