STMicroelectronics, 32 bit ARM Cortex M4, STM32L431CB Microcontroller, 80 MHz, 256kB FLASH, 48-Pin LQFP

This image is representative of the product range

View all Microcontrollers
Bulk discount available

Subtotal (1 tray of 250 units)*

$1,603.75

(exc. GST)

$1,764.00

(inc. GST)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 27 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Tray*
250 - 1000$6.415$1,603.75
1250 +$5.774$1,443.50

*price indicative

RS Stock No.:
175-0697
Mfr. Part No.:
STM32L431CBT6
Brand:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

Brand

STMicroelectronics

Product Type

Microcontroller

Series

STM32L431CB

Package Type

LQFP

Mount Type

Surface

Pin Count

48

Device Core

ARM Cortex M4

Data Bus Width

32bit

Program Memory Size

256kB

Maximum Clock Frequency

80MHz

RAM Size

64kB

Maximum Supply Voltage

3.6V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Number of Programmable I/Os

83

DACs

2 x 12 Bit

Width

7.2 mm

Length

7.2mm

Maximum Power Dissipation Pd

350mW

Analogue Comparators

2

Standards/Approvals

No

Height

1.45mm

Minimum Supply Voltage

1.71V

Program Memory Type

FLASH

ADCs

10 x 12 Bit

Automotive Standard

No

Instruction Set Architecture

DSP, RISC

Number of Timers

5

COO (Country of Origin):
CN

STMicroelectronics Microcontroller


The STMicroelectronics STM32L4 family type, LQFP package, surface mount, 48-pin 32-bit arm cortex-M4 core microcontroller. It has a voltage rating of 3.6V. This operates at a maximum speed of 80MHz and features 256kb ISP flash program memory and 64bytes of SRAM. It has features a floating-point unit (FPU) which supports arm double-precision and single-precision data-processing instructions and data types. This device supports a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.

Features and Benefits


• 38 I/O pins

• A 14-channel DMA controller

• Batch acquisition mode (BAM) and brownout reset

• Ethernet MAC interface DMA controller

• Internal 48MHz with clock recovery

• On-chip power-on-reset (POR), voltage detector (LVD) and key interrupt function (KIF)

• One 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling

• One 16-bit advanced motor control timers

• One 32-bit timer

• One watchdog timer

• Operating temperature ranges between -40°C and 85°C

• Serial interfaces- CAN, UART, I2C, LIN, CSIs and IEBus

• Serial wire debug supported

• Supports up to 2 displays with WXGA resolution without the need of external memory

• Three separate power domains that can be independently clock-gated or switched off

• True random number generator (RNG)

• Two 12-bit DAC, low-power sample and hold

• Two 16-bit timers

• Two AHB buses and a 32-bit multi-AHB bus matrix

Applications


• Electronic equipments

• Low power appliances

• Temperature sensors

Related links