Datasheet

DocID022691 Rev 4 33/131
STM32F37xxx Pinouts and pin description
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Table 10. 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 Input only 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
B Dedicated BOOT0 pin
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
Table 11. STM32F37x pin definitions
Pin numbers
Pin name
(function
after reset)
Pin
type
I/O structure
Notes
Pin functions
LQFP100
BGA100
LQFP64 LQFP48
Alternate function Additional functions
1 B2 PE2 I/O FT
(1)
TSC_G7_IO1, TRACECLK
2 A1 PE3 I/O FT
(1)
TSC_G7_IO2, TRACED0
3 B1 PE4 I/O FT
(1)
TSC_G7_IO3, TRACED1
4 C2 PE5 I/O FT
(1)
TSC_G7_IO4, TRACED2
5 D2 PE6 I/O FT
(1)
TRACED3 WKUP3, RTC_TAMPER3
6 E2 1 1 VBAT S Backup power supply
7C122 PC13 I/OTC
WKUP2, ALARM_OUT,
CALIB_OUT, TIMESTAMP,
RTC_TAMPER1