/* configure USI UART TX DMA burst size .  */
void USI_UARTTXDMAConfig(USI_TypeDef *USIx, u32 TxDmaBurstSize)
/* configure USI UART TX DMA burst size .  */
void USI_UARTTXDMAConfig(USI_TypeDef *USIx, u32 TxDmaBurstSize)
{
	u32 Temp;
	assert_param(IS_ALL_USI_PERIPH(USIx));
	Temp = USIx->DMA_REQ_SIZE;
	Temp &= ~(USI_TX_DMA_BURST_SIZE|USI_TX_DMA_SINGLE_SIZE);
	Temp |= (TxDmaBurstSize|(1<<8));
	USIx->DMA_REQ_SIZE = Temp;
}