User guide

Programmer’s Reference

Table 4-19 SYS_DMAPSRx, DMA mapping register format

Bit Access Description

[31:8] - Reserved. Use read-modify-write to preserve value.

[7] Read/write Set to 1 to enable mapping of external peripheral

DMA signals to the DMA controller channel

[6:5] - Reserved. Use read-modify-write to preserve value.

[4:0] Read/write FPGA peripheral mapped to this channel

b00000 = AACI Tx

b00001 = AACI Rx

b00010 = USB A

b00011 = USB B

b00100 = MCI 0

b00101 = MCI 1

b00110 = UART3 Tx

b00111 = UART3 Rx

b01000 = SCI int A

b01001 = SCI int B

b01010–b11111 Reserved