From 34ed79bf13ca72335e5bfd0434668fbccf0b1744 Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期二, 07 二月 2023 17:15:29 +0800
Subject: [PATCH] 1

---
 Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l021xx.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l021xx.h b/Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l021xx.h
index a3b41e8..583b8ff 100644
--- a/Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l021xx.h
+++ b/Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l021xx.h
@@ -606,6 +606,15 @@
 /** @addtogroup Exported_constants
   * @{
   */
+
+  /** @addtogroup Hardware_Constant_Definition
+    * @{
+    */
+#define LSI_STARTUP_TIME 200U /*!< LSI Maximum startup time in us */
+
+  /**
+    * @}
+    */
   
   /** @addtogroup Peripheral_Registers_Bits_Definition
   * @{

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