ST STM32F401 User Manual

Conventions UM1669
6/39 DocID025174 Rev 1
1 Conventions
Table 1 provides the definition of some conventions used in the present document.
Table 1. ON/OFF conventions
Convention Definition
Jumper JPx ON Jumper fitted
Jumper JPx OFF Jumper not fitted
Solder bridge SBx ON SBx connections closed by solder
Solder bridge SBx OFF SBx connections left open

ST STM32F401 Specifications

General

Series	STM32F4
Core	ARM Cortex-M4
Clock Speed	84 MHz
Communication Interfaces	I2C, SPI, USART, USB
Operating Voltage	1.7 V to 3.6 V
Number of I2Cs	3
Number of SPIs	3
Number of USARTs	3
ADC	12-bit
DAC	12-bit
Timers	Advanced-control timers
Operating Temperature Range	-40°C to 85°C
Package	LQFP64, LQFP48