diff --git a/cpu/stm32l0/include/cpu_conf.h b/cpu/stm32l0/include/cpu_conf.h
index ff70564d0a..afd7d4be1a 100644
--- a/cpu/stm32l0/include/cpu_conf.h
+++ b/cpu/stm32l0/include/cpu_conf.h
@@ -31,6 +31,9 @@
#ifdef CPU_MODEL_STM32L053R8
#include "vendor/stm32l053xx.h"
#endif
+#ifdef CPU_MODEL_STM32L031K6
+#include "vendor/stm32l031xx.h"
+#endif
#ifdef __cplusplus
extern "C" {
diff --git a/cpu/stm32l0/include/vendor/stm32l031xx.h b/cpu/stm32l0/include/vendor/stm32l031xx.h
new file mode 100644
index 0000000000..06cbdf4233
--- /dev/null
+++ b/cpu/stm32l0/include/vendor/stm32l031xx.h
@@ -0,0 +1,6092 @@
+/**
+ ******************************************************************************
+ * @file stm32l031xx.h
+ * @author MCD Application Team
+ * @version V1.7.0
+ * @date 31-May-2016
+ * @brief CMSIS Cortex-M0+ Device Peripheral Access Layer Header File.
+ * This file contains all the peripheral register's definitions, bits
+ * definitions and memory mapping for stm32l031xx devices.
+ *
+ * This file contains:
+ * - Data structures and the address mapping for all peripherals
+ * - Peripheral's registers declarations and bits definition
+ * - Macros to access peripheral's registers hardware
+ *
+ ******************************************************************************
+ * @attention
+ *
+ *
© COPYRIGHT(c) 2015 STMicroelectronics
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32l031xx
+ * @{
+ */
+
+#ifndef __STM32L031xx_H
+#define __STM32L031xx_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+
+/** @addtogroup Configuration_section_for_CMSIS
+ * @{
+ */
+/**
+ * @brief Configuration of the Cortex-M0+ Processor and Core Peripherals
+ */
+#define __CM0PLUS_REV 0 /*!< Core Revision r0p0 */
+#define __MPU_PRESENT 0 /*!< STM32L0xx provides no MPU */
+#define __VTOR_PRESENT 1 /*!< Vector Table Register supported */
+#define __NVIC_PRIO_BITS 2 /*!< STM32L0xx uses 2 Bits for the Priority Levels */
+#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */
+
+/**
+ * @}
+ */
+
+/** @addtogroup Peripheral_interrupt_number_definition
+ * @{
+ */
+
+/**
+ * @brief stm32l031xx Interrupt Number Definition, according to the selected device
+ * in @ref Library_configuration_section
+ */
+
+/*!< Interrupt Number Definition */
+typedef enum
+{
+/****** Cortex-M0 Processor Exceptions Numbers ******************************************************/
+ NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */
+ HardFault_IRQn = -13, /*!< 3 Cortex-M0+ Hard Fault Interrupt */
+ SVCall_IRQn = -5, /*!< 11 Cortex-M0+ SV Call Interrupt */
+ PendSV_IRQn = -2, /*!< 14 Cortex-M0+ Pend SV Interrupt */
+ SysTick_IRQn = -1, /*!< 15 Cortex-M0+ System Tick Interrupt */
+
+/****** STM32L-0 specific Interrupt Numbers *********************************************************/
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_IRQn = 1, /*!< PVD through EXTI Line detect Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_IRQn = 4, /*!< RCC Interrupt */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_6_7_IRQn = 11, /*!< DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 Interrupts */
+ ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */
+ LPTIM1_IRQn = 13, /*!< LPTIM1 Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 Interrupt */
+ TIM21_IRQn = 20, /*!< TIM21 Interrupt */
+ TIM22_IRQn = 22, /*!< TIM22 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ USART2_IRQn = 28, /*!< USART2 Interrupt */
+ LPUART1_IRQn = 29, /*!< LPUART1 Interrupt */
+} IRQn_Type;
+
+/**
+ * @}
+ */
+
+#include "core_cm0plus.h"
+#include
+
+/** @addtogroup Peripheral_registers_structures
+ * @{
+ */
+
+/**
+ * @brief Analog to Digital Converter
+ */
+
+typedef struct
+{
+ __IO uint32_t ISR; /*!< ADC Interrupt and Status register, Address offset:0x00 */
+ __IO uint32_t IER; /*!< ADC Interrupt Enable register, Address offset:0x04 */
+ __IO uint32_t CR; /*!< ADC Control register, Address offset:0x08 */
+ __IO uint32_t CFGR1; /*!< ADC Configuration register 1, Address offset:0x0C */
+ __IO uint32_t CFGR2; /*!< ADC Configuration register 2, Address offset:0x10 */
+ __IO uint32_t SMPR; /*!< ADC Sampling time register, Address offset:0x14 */
+ uint32_t RESERVED1; /*!< Reserved, 0x18 */
+ uint32_t RESERVED2; /*!< Reserved, 0x1C */
+ __IO uint32_t TR; /*!< ADC watchdog threshold register, Address offset:0x20 */
+ uint32_t RESERVED3; /*!< Reserved, 0x24 */
+ __IO uint32_t CHSELR; /*!< ADC channel selection register, Address offset:0x28 */
+ uint32_t RESERVED4[5]; /*!< Reserved, 0x2C */
+ __IO uint32_t DR; /*!< ADC data register, Address offset:0x40 */
+ uint32_t RESERVED5[28]; /*!< Reserved, 0x44 - 0xB0 */
+ __IO uint32_t CALFACT; /*!< ADC data register, Address offset:0xB4 */
+} ADC_TypeDef;
+
+typedef struct
+{
+ __IO uint32_t CCR;
+} ADC_Common_TypeDef;
+
+
+/**
+ * @brief Comparator
+ */
+
+typedef struct
+{
+ __IO uint32_t CSR; /*!< COMP comparator control and status register, Address offset: 0x18 */
+} COMP_TypeDef;
+
+typedef struct
+{
+ __IO uint32_t CSR; /*!< COMP control and status register, used for bits common to several COMP instances, Address offset: 0x00 */
+} COMP_Common_TypeDef;
+
+
+/**
+* @brief CRC calculation unit
+*/
+
+typedef struct
+{
+__IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */
+__IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */
+uint8_t RESERVED0; /*!< Reserved, 0x05 */
+uint16_t RESERVED1; /*!< Reserved, 0x06 */
+__IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */
+uint32_t RESERVED2; /*!< Reserved, 0x0C */
+__IO uint32_t INIT; /*!< Initial CRC value register, Address offset: 0x10 */
+__IO uint32_t POL; /*!< CRC polynomial register, Address offset: 0x14 */
+} CRC_TypeDef;
+
+/**
+ * @brief Debug MCU
+ */
+
+typedef struct
+{
+ __IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */
+ __IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */
+ __IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */
+ __IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */
+}DBGMCU_TypeDef;
+
+/**
+ * @brief DMA Controller
+ */
+
+typedef struct
+{
+ __IO uint32_t CCR; /*!< DMA channel x configuration register */
+ __IO uint32_t CNDTR; /*!< DMA channel x number of data register */
+ __IO uint32_t CPAR; /*!< DMA channel x peripheral address register */
+ __IO uint32_t CMAR; /*!< DMA channel x memory address register */
+} DMA_Channel_TypeDef;
+
+typedef struct
+{
+ __IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */
+ __IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */
+} DMA_TypeDef;
+
+typedef struct
+{
+ __IO uint32_t CSELR; /*!< DMA channel selection register, Address offset: 0xA8 */
+} DMA_Request_TypeDef;
+
+/**
+ * @brief External Interrupt/Event Controller
+ */
+
+typedef struct
+{
+ __IO uint32_t IMR; /*!
+ *
+ * @}
+ */
+
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 32K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 8K
+ cpuid (r) : ORIGIN = 0x1ff80050, LENGTH = 12
+}
+
+_cpuid_address = ORIGIN(cpuid);
+
+INCLUDE cortexm_base.ld