Page 77 - ARM Based Microcontroller Projects Using MBED

6.2 KEY FEATURES OF THE STM32F411RET6 MICROCONTROLLER 63

VDD VSS PB9 PB8 BOOT0 PB7 PB6 PB5 PB4 PB3 PD2 PC12 PC11 PC10 PA15 PA14

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
VBAT 1 48 VDD
PC13 2 47 VSS
PC14-OSC32_IN 3 46 PA13
PC15-OSC32_OUT 4 45 PA12
PH0-OSC_IN 5 44 PA11
PH1-OSC_OUT 6 43 PA10
NRST 7 42 PA9
PC0 8 41 PA8
LQFP64
PC1 9 40 PC9
PC2 10 39 PC8
PC3 11 38 PC7
VSSA/VREF– 12 37 PC6
VDDA/VREF+ 13 36 PB15
PA0 14 35 PB14
PA1 15 34 PB13
PA2 16 33 PB12
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

PA3 VSS VDD PA4 PA5 PA6 PA7 PC4 PC5 PB0 PB1 PB2 PB10 VCAP_1 VSS VDD

FIG. 6.2 Pin configuration of the microcontroller.

PA0–PA15 GPIO Port A pins
PB0–PB15 GPIO Port B pins
PC0–PC15 GPIO Port C pins
PD2 GPIO Port D pin
PH0–PH1 GPIO Port H pins
OSC_IN, OSC_OUT Main crystal oscillator pins
OSC32_IN, OSC32_OUT 32 kHz crystal oscillator pins
VDD, VSS Power and ground pins
VSSA, VDDA Reference voltage pins
NRST Reset pin
VBAT External battery pin
BOOT0 Boot0 pin
VDD12 External SMPS power pin