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STM32F401XB Datasheet(PDF) 37 Page - STMicroelectronics

Part # STM32F401XB
Description  ARM Cortex-M4 32b MCUFPU, 105 DMIPS, 256KB Flash/64KB RAM, 11 TIMs, 1 ADC, 11 comm. interfaces
PDF  135 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F401XB Datasheet(HTML) 37 Page - STMicroelectronics

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Pinouts and pin description
STM32F401xB STM32F401xC
37/135
DocID024738 Rev 6
Table 7. 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
B
Dedicated BOOT0 pin
NRST
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
Alternate
functions
Functions selected through GPIOx_AFR registers
Additional
functions
Functions directly selected/enabled through peripheral registers
Table 8. STM32F401xB/STM32F401xC pin definitions
Pin Number
Pin name
(function
after reset)(1)
Alternate functions
Additional
functions
-
-
-
1
B2
PE2
I/O FT
-
SPI4_SCK, TRACECLK,
EVENTOUT
-
-
-
-
2
A1
PE3
I/O FT
-
TRACED0, EVENTOUT
-
-
-
-
3
B1
PE4
I/O FT
-
SPI4_NSS, TRACED1,
EVENTOUT
-
-
-
-
4
C2
PE5
I/O FT
-
SPI4_MISO, TIM9_CH1,
TRACED2, EVENTOUT
-
-
-
-
5
D2
PE6
I/O FT
-
SPI4_MOSI, TIM9_CH2,
TRACED3, EVENTOUT
-
-
-
-
-
D3
VSS
S
-
-
-
-
--
-
-
C4
VDD
S
-
-
-
-
1
B7
1
6
E2
VBAT
S
-
-
-
-
2
D5
2
7
C1
PC13
I/O FT (2) (3) EVENTOUT,
RTC_TAMP1,
RTC_OUT, RTC_TS



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