请问STM8L052R8的USART2中断向量在哪？

怎么会没有呢？！
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INTERRUPT void TIM2_UPD_OVF_TRG_BRK_USART2_TX_IRQHandler(void); /* TIM2 UPD/OVF/TRG/BRK / USART2 TX */
INTERRUPT void TIM2_CC_USART2_RX_IRQHandler(void); /* TIM2 CAP / USART2 RX */
INTERRUPT void TIM3_UPD_OVF_TRG_BRK_USART3_TX_IRQHandler(void); /* TIM3 UPD/OVF/TRG/BRK /USART3 TX*/
INTERRUPT void TIM3_CC_USART3_RX_IRQHandler(void); /* TIM3 CAP/ USART3 RX */
INTERRUPT void TIM1_UPD_OVF_TRG_COM_IRQHandler(void);/* TIM1 UPD/OVF/TRG/COM */
INTERRUPT void TIM1_CC_IRQHandler(void);/* TIM1 CAP*/
INTERRUPT void TIM4_UPD_OVF_TRG_IRQHandler(void); /* TIM4 UPD/OVF/TRI */
INTERRUPT void SPI1_IRQHandler(void); /* SPI1 */
INTERRUPT void USART1_TX_TIM5_UPD_OVF_TRG_BRK_IRQHandler(void); /* USART1 TX / TIM5 UPD/OVF/TRG/BRK */
INTERRUPT void USART1_RX_TIM5_CC_IRQHandler(void); /* USART1 RX / TIM5 CAP */...................................