STM32C031K6

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Mainstream Arm Cortex-M0+ MCU with 32 Kbytes of Flash memory, 12 Kbytes RAM, 48 MHz CPU, 2x USART, timers, ADC, comm. I/F, 2-3.6V

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Product overview

Description

The STM32C031x4/x6 mainstream microcontrollers are based on high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at up to 48 MHz frequency. Offering a high level of integration, they are suitable for a wide range of applications in consumer, industrial and appliance domains and ready for the Internet of Things (IoT) solutions.

The devices incorporate a memory protection unit (MPU), high-speed embedded memories (12 Kbytes of SRAM and up to 32 Kbytes of flash program memory with read and write protection), DMA, an extensive range of system functions, enhanced I/Os, and peripherals. The devices offer standard communication interfaces (one I2Cs, one SPI / one I2S, and two USARTs), one 12-bit ADC (2.5 MSps) with up to 21 channels, a low-power RTC, an advanced control PWM timer, four general-purpose 16-bit timers, two watchdog timers, and a SysTick timer.

The devices operate within ambient temperatures from -40 to 125°C and with supply voltages from 2.0 V to 3.6 V. Optimized dynamic consumption combined with power-saving modes allows the design of low-power applications.

The devices are housed in packages with 20 to 48 pins.

  • All features

    • Includes ST state-of-the-art patented technology
    • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz
    • -40°C to 85°C/105°C/125°C operating temperature
    • Memories
      • Up to 32 Kbytes of flash memory with protection
      • 12 Kbytes of SRAM with hardware parity check
    • CRC calculation unit
    • Reset and power management
      • Voltage range: 2.0 V to 3.6 V
      • Power-on / power-down reset (POR/PDR)
      • Programmable brownout reset (BOR)
      • Low-power modes:Sleep, Stop, Standby, Shutdown
    • Clock management
      • 4 to 48 MHz crystal oscillator
      • 32 kHz crystal oscillator with calibration
      • Internal 48 MHz RC oscillator (±1 %)
      • Internal 32 kHz RC oscillator (±5 %)
    • Up to 45 fast I/Os
      • All mappable on external interrupt vectors
      • All 5 V-tolerant
    • 3-channel DMA controller with flexible mapping
    • 12-bit, 0.4 µs ADC (up to 19 ext. channels)
      • Conversion range: 0 to 3.6 V
    • 8 timers: 16-bit for advanced motor control, four 16-bit general-purpose, two watchdogs, SysTick timer
    • Calendar RTC with alarm
    • Communication interfaces
      • One I2C-bus interface supporting Fast-mode Plus (1 Mbit/s) with extra current sink; supporting SMBus/PMBus™ and wake-up from Stop mode
      • Two USARTs with master/slave synchronous SPI; one supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wake-up feature
      • One SPI (24 Mbit/s) with 4- to 16-bit programmable bitframe, multiplexed with I²S interface; two extra SPIs through USARTs
    • Development support: serial wire debug (SWD)
    • All packages ECOPACK 2 compliant

Circuit Diagram

EDA Symbols, Footprints and 3D Models

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM32C031K6T6
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32C031K6T7
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32C031K6T7TR
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32C031K6U3TR
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM32C031K6U6
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM32C031K6U6TR
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM32C031K6U7
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM32C031K6U7TR
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2

STM32C031K6T6

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6T7

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6T7TR

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6U3TR

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6U6

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6U6TR

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6U7

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32C031K6U7TR

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Package
Packing Type
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ECCN (US)
ECCN (EU)
Temperature (°C)
D/A Converters (typ) (12-bit)
Timers (typ) (16-bit)
Timers (typ) (32-bit)
Number of Channels (typ)
SMPS
Number of Channels (typ)
UART (typ)
I/Os (High Current)
Integrated op-amps
Comparator
SPI (typ)
USART (typ)
Number of Channels (typ)
I2S (typ)
CAN (2.0)
CAN (FD)
min
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STM32C031K6U6
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STM32C031K6U3TR
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STM32C031K6U6 Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6U6

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

Distributor Name

Distributor reported inventory date:

STM32C031K6T7TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6T7TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

STM32C031K6U6TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6U6TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

STM32C031K6U7TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6U7TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

Distributor Name

Distributor reported inventory date:

STM32C031K6U7 Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6U7

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

Distributor Name

Distributor reported inventory date:

STM32C031K6T6 Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6T6

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

Distributor Name

Distributor reported inventory date:

STM32C031K6T7 Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6T7

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

Distributor Name

Distributor reported inventory date:

STM32C031K6U3TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32C031K6U3TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

5

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

30

Integrated op-amps:

-

Comparator:

-

SPI (typ):

1

USART (typ):

2

Number of Channels (typ):

18

I2S (typ):

1

CAN (2.0):

-

CAN (FD):

-

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