Datasheet

DocID025743 Rev 6 9/106
STM32F031x4 STM32F031x6 Description
22
2 Description
The STM32F031x4/x6 microcontrollers incorporate the high-performance ARM
®
Cortex
®
-
M0 32-bit RISC core operating at up to 48 MHz frequency, high-speed embedded memories
(up to 32 Kbytes of Flash memory and 4 Kbytes of SRAM), and an extensive range of
enhanced peripherals and I/Os. All devices offer standard communication interfaces (one
I
2
C, one SPI/ I
2
S and one USART), one 12-bit ADC,
five 16-bit timers, one 32-bit timer and an advanced-control PWM timer.
The STM32F031x4/x6 microcontrollers operate in the -40 to +85 °C and -40 to +105 °C
temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of
power-saving modes allows the design of low-power applications.
The STM32F031x4/x6 microcontrollers include devices in six different packages ranging
from 20 pins to 48 pins with a die form also available upon request. Depending on the
device chosen, different sets of peripherals are included.
These features make the STM32F031x4/x6 microcontrollers suitable for a wide range of
applications such as application control and user interfaces, hand-held equipment, A/V
receivers and digital TV, PC peripherals, gaming and GPS platforms, industrial applications,
PLCs, inverters, printers, scanners, alarm systems, video intercoms and HVACs.
Table 2. STM32F031x4/x6 family device features and peripheral counts
Peripheral STM32F031Fx STM32F031Ex STM32F031Gx STM32F031Kx STM32F031Cx
Flash memory (Kbyte) 16 32 32 16 32 16 32 16 32
SRAM (Kbyte) 4
Timers
Advanced
control
1 (16-bit)
General
purpose
4 (16-bit)
1 (32-bit)
Comm.
interfaces
SPI [I
2
S]
(1)
1 [1]
I
2
C1
USART 1
12-bit ADC
(number of channels)
1
(9 ext. + 3 int.)
1
(10 ext. + 3 int.)
GPIOs 15 20 23
25 (on LQFP32)
27 (on UFQFPN32)
39
Max. CPU frequency 48 MHz
Operating voltage 2.0 to 3.6 V
Operating temperature
Ambient operating temperature: -40°C to 85°C / -40°C to 105°C
Junction temperature: -40°C to 105°C / -40°C to 125°C
Packages TSSOP20 WLCSP25 UFQFPN28
LQFP32
UFQFPN32
LQFP48
1. The SPI interface can be used either in SPI mode or in I
2
S audio mode.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.