Datasheet > STM32L031K4U3DTR

STM32L031K4U3DTR

更新时间： 2025-07-15 02:34:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		可编程只读存储器电动程控只读存储器电可擦编程只读存储器静态存储器
页数	文件大小	规格书
126页	1792K
描述
Access line ultra-low-power 32-bit MCU ArmÂ®-based CortexÂ®-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC

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数据手册

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STM32L031K4U3DTR 数据手册

STM32L031x4 STM32L031x6

Access line ultra-low-power 32-bit MCU Arm^®-based

Cortex^®-M0+, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC

Datasheet - production data

Features

•

Ultra-low-power platform

–

1.65 V to 3.6 V power supply

-40 to 125 °C temperature range

0.23 µA Standby mode (2 wakeup pins)

0.35 µA Stop mode (16 wakeup lines)

0.6 µA Stop mode + RTC + 8 KB RAM retention

Down to 76 µA/MHz in Run mode

WLCSP25

2.097x2.493 mm

TSSOP20

169 mils

LQFP32/48

7x7 mm

UFQFPN28 4x4 mm

UFQFPN32 5x5 mm

UFQFPN48 7x7 mm

–

•

Rich Analog peripherals

–

12-bit ADC 1.14 Msps up to 10 channels (down

to 1.65 V)

5 µs wakeup time (from Flash memory)

41 µA 12-bit ADC conversion at 10 ksps

–

2x ultra-low-power comparators (window mode

and wake up capability, down to 1.65 V)

•

Core: Arm 32-bit Cortex -M0+

–

From 32 kHz up to 32 MHz max.

0.95 DMIPS/MHz

7-channel DMA controller, supporting ADC, SPI,

I2C, USART, Timers

Reset and supply management

•

5x peripherals communication interface

1x USART (ISO 7816, IrDA), 1x UART (low power)

Up to 2 SPI interfaces, up to 16 Mbits/s

1x I2C (SMBus/PMBus)

–

Ultra-safe, low-power BOR (brownout reset)

with 5 selectable thresholds

Ultralow power POR/PDR

–

Programmable voltage detector (PVD)

•

Clock sources

8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit

with up to 2 channels, 1x 16-bit ultra-low-power

timer, 1x SysTick, 1x RTC and 2x watchdogs

(independent/window)

–

1 to 25 MHz crystal oscillator

32 kHz oscillator for RTC with calibration

High speed internal 16 MHz factory-trimmed RC

(+/- 1%)

Internal low-power 37 kHz RC

Internal multispeed low-power 65 kHz to

4.2 MHz RC

PLL for CPU clock

•

CRC calculation unit, 96-bit unique ID

–

All packages are ECOPACK 2

Table 1. Device summary

–

Reference

Part number

•

Pre-programmed bootloader

USART, SPI supported

Development support

Serial wire debug supported

–

STM32L031G4, STM32L031K4,

STM32L031C4, STM32L031E4,

STM32L031F4

STM32L031x4

STM32L031x6

–

•

Up to 38 fast I/Os (31 I/Os 5V tolerant)

STM32L031G6, STM32L031K6,

STM32L031C6, STM32L031E6,

STM32L031F6

Memories

–

Up to 32-Kbyte Flash with ECC

8-Kbyte RAM

1-Kbyte of data EEPROM with ECC

20-byte backup register

Sector protection against R/W operation

March 2018

DS10668 Rev 6

1/126

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...126

中文翻译

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与STM32L031K4U3DTR相关器件

型号	品牌	获取价格	描述	数据表
STM32L031K4U3SDTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4U6	STMICROELECTRONICS	获取价格	超低功耗Arm Cortex-M0+ MCU，具有16-KB Flash存储器和32 MH
STM32L031K4U6DTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4U6SDTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4U6TR	STMICROELECTRONICS	获取价格	超低功耗Arm Cortex-M0+ MCU，具有16-KB Flash存储器和32 MH
STM32L031K4U7DTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4U7SDTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4Y3DTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4Y3SDTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-
STM32L031K4Y6DTR	STMICROELECTRONICS	获取价格	Access line ultra-low-power 32-bit MCU ArmÂ®-

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