diff --git a/variants/standart/pins_arduino.h b/variants/standart/pins_arduino.h
index 52624fc..d42138d 100644
--- a/variants/standart/pins_arduino.h
+++ b/variants/standart/pins_arduino.h
@@ -62,6 +62,8 @@ GPIO_TypeDef* digitalPinToPort(uint32_t digPinNumber);
 HAL_PinsTypeDef digitalPinToBitMask(uint32_t digPinNumber);
 // оtotal number of pins available for initialization
 uint16_t pinCommonQty(void);
+// the function returns a reference to the OUTPUT address of the GPIO register
+uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x);
 
 // ADC
 // determines the ADC channel number by the board pin number
diff --git a/variants/standart/variant.c b/variants/standart/variant.c
index 6b9fe62..7d9f779 100644
--- a/variants/standart/variant.c
+++ b/variants/standart/variant.c
@@ -94,6 +94,12 @@ uint16_t pinCommonQty(void)
   return (uint16_t)(sizeof(digitalPinToGpioPinArray)/sizeof(digitalPinToGpioPinArray[0]));
 }
 
+// the function returns a reference to the OUTPUT address of the GPIO register
+uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x)
+{
+  return &GPIO_x->OUTPUT_;
+}
+
 // ---------------------- АЦП ---------------------- //
 // determines the ADC channel number by the board pin number
 uint32_t analogInputToChannelNumber(uint32_t PinNumber)