Datasheet
Pinouts and pin description STM32F405xx, STM32F407xx
44/185 DocID022152 Rev 4
Figure 17. STM32F40x WLCSP90 ballout
1. This figure shows the package bump view.
A VBAT PC13 PDR_ON PB4 PD7 PD4 PC12
B
PC15 VDD PB7 PB3 PD6 PD2 PA15
C
PA0 VSS PC11 PI0
PB6 PD5 PD1
D PC2
PB8
PA13
E
PC3
VSS
F
PH1
PA1
G
NRST
H
VSSA
J
PA2 PA4
PA7
PB2
PE11 PB11 PB12
MS30402V1
1
PA14
PI1
PA12
PA10 PA9
PC0 PC9
PC8
PH0
PB13
PC6
PD14
PD12
PE8 PE12
BYPASS_
REG
PD9 PD8
PE9 PB14
2345678910
VDD
PC14
VCAP_2
PA11
PB5 PD0 PC10 PA8
VSS VDD VSS VDD
PC7
VDD PE10 PE14
VCAP_1 PD15
PE13 PE15 PD10 PD11
PA3 PA6 PB1 PB10
PB15
PB9
BOOT0
VDDA PB0 PE7PA5
Table 6. 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
TTa 3.3 V tolerant I/O directly connected to ADC
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
Alternate
functions
Functions selected through GPIOx_AFR registers
Additional
functions
Functions directly selected/enabled through peripheral registers