V2.31

EVT/EXAM/PWR/Standby_RAM_LV_Mode/.template

@@ -13,4 +13,4 @@ Series=CH32V203
 Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
 
 PeripheralVersion=1.0
-MCU=CH32V203RBT6
+MCU=CH32V203RBT

EVT/EXAM/PWR/Standby_RAM_LV_Mode/User/main.c

@@ -1,8 +1,8 @@
 /********************************** (C) COPYRIGHT *******************************
  * File Name          : main.c
  * Author             : WCH
- * Version            : V1.0.0
- * Date               : 2023/12/29
+ * Version            : V1.0.1
+ * Date               : 2025/04/29
  * Description        : Main program body.
  *********************************************************************************
  * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
@@ -98,22 +98,21 @@ void TestDataRead(void)
 int main(void)
 {
     GPIO_InitTypeDef GPIO_InitStructure = {0};
-
-    /* Configure unused GPIO as IPD to reduce power consumption */
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+    SystemCoreClockUpdate();
+    Delay_Init();
+    Delay_Ms(1000);
+    /* To reduce power consumption, unused GPIOs need to be set as pull-down inputs */
     RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|
-            RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE, ENABLE);
+        RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
+    GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable,ENABLE); 
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
-
     GPIO_Init(GPIOA, &GPIO_InitStructure);
     GPIO_Init(GPIOB, &GPIO_InitStructure);
     GPIO_Init(GPIOC, &GPIO_InitStructure);
     GPIO_Init(GPIOD, &GPIO_InitStructure);
-    GPIO_Init(GPIOE, &GPIO_InitStructure);
 
-    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
-    SystemCoreClockUpdate();
-    Delay_Init();
     USART_Printf_Init(115200);
     printf("SystemClk:%d\r\n", SystemCoreClock);
     printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );

EVT/EXAM/PWR/Standby_RAM_LV_Mode/User/system_ch32v20x.c

@@ -4,7 +4,7 @@
  * Version            : V1.0.0
  * Date               : 2021/06/06
  * Description        : CH32V20x Device Peripheral Access Layer System Source File.
- *                      For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
+ *                      For HSE = 32Mhz (CH32V208x/CH32V203RBT)
  *                      For HSE = 8Mhz (other CH32V203x)
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.