Table 10. Legend/Abbreviations Used In The Pinout Table; Table 11. Pin Definitions - STMicroelectronics STM32F038C6 Manual

Pinouts and pin description
Name
Pin name
Pin type
I/O structure
Notes
Alternate
functions
Pin
functions
Additional
functions
Pin number
1 - - -
2 - - -
3 - - -
4 - - -
26/102

Table 10. Legend/abbreviations used in the pinout table

Abbreviation
Unless otherwise specified in brackets below the pin name, the pin function
during and after reset is the same as the actual pin name
S
I
I/O
FT
FTf
TTa
POR
TC
B
RST
Unless otherwise specified by a note, all I/Os are set as floating inputs during
and after reset
Functions selected through GPIOx_AFR registers
Functions directly selected/enabled through peripheral registers

Table 11. Pin definitions

Pin name
(function upon reset)
- VBAT
- PC13
PC14-OSC32_IN
-
(PC14)
PC15-OSC32_OUT
-
(PC15)
DocID026079 Rev 3
Input-only pin
Input / output pin
5 V-tolerant I/O
5 V-tolerant I/O, FM+ capable
3.3 V-tolerant I/O directly connected to ADC
External power on reset pin with embedded weak pull-up
resistor, powered from V
Standard 3.3V I/O
Dedicated BOOT0 pin
Bidirectional reset pin with embedded weak pull-up resistor
Notes
S - -
(1)(2)
I/O TC
(1)(2)
I/O TC
(1)(2)
I/O TC
Definition
Supply pin
DDA
Pin functions
Alternate functions
Backup power supply
-
-
-
STM32F038x6
Additional
functions
RTC_TAMP1,
RTC_TS,
RTC_OUT,
WKUP2
OSC32_IN
OSC32_OUT