STM32F031C6 Datasheet PDF - STMicroelectronics


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STM32F031C6
STMicroelectronics

Part Number STM32F031C6
Description 32-bit MCU
Page 30 Pages

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STM32F031x4 STM32F031x6
ARM®-based 32-bit MCU with up to 32 Kbyte Flash, timers,
ADC and communication interfaces, 2.0 - 3.6 V
Datasheet - production data
Features
Core: ARM® 32-bit Cortex®-M0 CPU,
frequency up to 48 MHz
Memories
– 16 to 32 Kbytes of Flash memory
– 4 Kbytes of SRAM with HW parity
CRC calculation unit
Reset and power management
– Digital and I/Os supply: 2.0 to 3.6 V
– Analog supply: VDDA = from VDD to 3.6 V
– Power-on/Power-down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low power modes: Sleep, Stop and
Standby
– VBAT supply for RTC and backup registers
Clock management
– 4 to 32 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 8 MHz RC with x6 PLL option
– Internal 40 kHz RC oscillator
Up to 39 fast I/Os
– All mappable on external interrupt vectors
– Up to 25 I/Os with 5 V tolerant capability
5-channel DMA controller
1 × 12-bit, 1.0 µs ADC (up to 10 channels)
– Conversion range: 0 to 3.6V
– Separate analog supply from 2.4 up to
3.6 V
Up to 9 timers
– 1 x 16-bit 7-channel advanced-control timer
for 6 channels PWM output, with deadtime
generation and emergency stop
– 1 x 32-bit and 1 x 16-bit timer, with up to 4
IC/OC, usable for IR control decoding
– 1 x 16-bit timer, with 2 IC/OC, 1 OCN,
deadtime generation and emergency stop
LQFP32 7x7 mm UFQFPN32 5x5 mm WLCSP25 TSSOP20
LQFP48 7x7 mm UFQFPN28 4x4 mm (2.1x2.1 mm)
– 1 x 16-bit timer, with IC/OC and OCN,
deadtime generation, emergency stop and
modulator gate for IR control
– 1 x 16-bit timer with 1 IC/OC
– Independent and system watchdog timers
– SysTick timer: 24-bit downcounter
Calendar RTC with alarm and periodic wakeup
from Stop/Standby
Communication interfaces
– 1 x I2C interface; supporting Fast Mode
Plus (1 Mbit/s) with 20 mA current sink,
SMBus/PMBus, and wakeup from Stop
mode
– 1 x USART supporting master synchronous
SPI and modem control; one with ISO7816
interface, LIN, IrDA capability auto baud
rate detection and wakeup feature
– 1 x SPI (18 Mbit/s) with 4 to 16
programmable bit frames, with I2S interface
multiplexed
Serial wire debug (SWD)
96-bit unique ID
Extended temperature range: -40 to +105°C
All packages ECOPACK®2
Table 1. Device summary
Reference
Part number
STM32F031x4
STM32F031C4, STM32F031F4,
STM32F031G4, STM32F031K4
STM32F031C6, STM32F031E6,
STM32F031x6 STM32F031F6, STM32F031G6,
STM32F031K6
August 2015
This is information on a product in full production.
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Contents
Contents
STM32F031x4 STM32F031x6
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 ARM®-Cortex®-M0 core with embedded Flash and SRAM . . . . . . . . . . . 12
3.2 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 13
3.5 Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.2 Power supply supervisors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.8 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 16
3.9.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 16
3.10 Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.11
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.2 General-purpose timers (TIM2..3, TIM14, 16, 17) . . . . . . . . . . . . . . . . . 19
3.11.3 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.11.4 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.11.5 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.12 Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 20
3.13 Inter-integrated circuit interfaces (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.14 Universal synchronous/asynchronous receiver transmitters (USART) . . 22
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STM32F031x4 STM32F031x6
Contents
3.15 Serial peripheral interface (SPI)/Inter-integrated sound interfaces (I2S) . 23
3.16 Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4 Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.2
6.1.3
Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.4
6.1.5
Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 43
6.3.3
6.3.4
Embedded reset and power control block characteristics . . . . . . . . . . . 43
Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.3.5 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.3.6
6.3.7
Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.3.8
6.3.9
Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6.3.10 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.3.11 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.3.12 Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.3.13 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.3.14 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.3.15 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
6.3.16 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3.17 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.3.18 VBAT monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.3.19 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
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Contents
STM32F031x4 STM32F031x6
6.3.20 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.1 LQFP48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.2 LQFP32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
7.3 UFQFPN32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.4 UFQFPN28 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.5 WLCSP25 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.6 WLCSP25 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.7 TSSOP20 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.8 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.8.1 Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.8.2 Selecting the product temperature range . . . . . . . . . . . . . . . . . . . . . . 107
8 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
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