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I am having difficulty mapping 3 usics to use 6 DMAS.
Only UART1 and I2C1 map to DMA003 via NVIC002
The variant is XMC4504-100

UART1: Tx(3.5), Rx(3.4)
UART2: Tx(1.5), Rx(1.4)
I2C1: SDA(2.5), SCL(2.4)
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Hi Doug,

According to Table 4-4 (DMA Handler Service Request inputs) of "xmc4500_rm_v1+2_2012_12", there are max. 2 inputs per USIC module. So you need to assign pins to 3 different USIC modules in your case.

Best regards,
Sophia
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