diff --git a/Inc/board_config.h b/Inc/board_config.h
index 2098e92..144fd30 100644
--- a/Inc/board_config.h
+++ b/Inc/board_config.h
@@ -20,7 +20,7 @@
 
 #include "version.h"
 
-/* >>>>>>>>>>>>>>>>>>>>[IIC TYPE DEFINE]<<<<<<<<<<<<<<<<<<<< */
+/* >>>>>>>>>>>>>>>>>>>>[IIC TYPE CONFIG]<<<<<<<<<<<<<<<<<<<< */
 
 #define SOFTWARE_IIC         CFG_DISABLE  // CFG_DISABLE: Hardware IIC; CFG_ENABLE: Software IIC
 
@@ -32,11 +32,11 @@
 
 #define COM_DEBUG            CFG_DISABLE  // CFG_DISABLE: Command debug off; CFG_ENABLE: Command debug on
 
-/* >>>>>>>>>>>>>>>>>>>>[DEBUG ASSERTIONS DEFINE]<<<<<<<<<<<<<<<<<<<< */
+/* >>>>>>>>>>>>>>>>>>>>[DEBUG ASSERTIONS CONFIG]<<<<<<<<<<<<<<<<<<<< */
 
 #define DEBUG_VERBOSE        CFG_DISABLE  // CFG_DISABLE: Verbose debug off; CFG_ENABLE: Verbose debug on
 
-/* >>>>>>>>>>>>>>>>>>>>[SEGGER RTT DETECTION]<<<<<<<<<<<<<<<<<<<< */
+/* >>>>>>>>>>>>>>>>>>>>[SEGGER RTT CONFIG]<<<<<<<<<<<<<<<<<<<< */
 
 #define SEGGER_RTT_DETECTION CFG_ENABLE   // CFG_DISABLE: SEGGER RTT off; CFG_ENABLE: SEGGER RTT on
 
@@ -51,6 +51,8 @@
   #define RTT_PutChar(ch, c)
 #endif
 
+/* >>>>>>>>>>>>>>>>>>>>[RS485 MODE CONFIG]<<<<<<<<<<<<<<<<<<<< */
+
 #define RS485_MODE            CFG_ENABLE  // CFG_DISABLE: RS485 off; CFG_ENABLE: RS485 on
 
 /******************************************************************************/
@@ -137,6 +139,14 @@ typedef enum {
 #define RS485_DE_PIN         GPIO_PIN_1
 #endif
 
+
+#define ADDR_RCU             RCU_GPIOA
+#define ADDR_PORT            GPIOA
+#define ADDR_BITO_PIN        GPIO_PIN_0
+#define ADDR_BIT1_PIN        GPIO_PIN_4
+#define ADDR_BIT2_PIN        GPIO_PIN_5
+#define ADDR_BIT3_PIN        GPIO_PIN_6
+
 /******************************************************************************/
 
 #define DEBUG_UART              USART0