/* Set the number of uart receive data intterupt trigger. 
@method UART_SetRxITNum  */
void UART_SetRxITNum(UART_TypeDef *UARTx, uint8_t Bcnt)
/* Set the number of uart receive data intterupt trigger. 
@method UART_SetRxITNum  */
void UART_SetRxITNum(UART_TypeDef *UARTx, uint8_t Bcnt)
{
    _ASSERT(IS_UART(UARTx));
    UARTx->RX_INT_LEN.reg = Bcnt;
}