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Allwinner A20 - Page 162

Allwinner A20
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A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 162 / 812
Offset:
0x100+N*0x20
(N=0,1,2,3,4,5,6,7)
Register Name: NDMA_CTRL_REG
Bit
Read/
Write
Default/Hex
Description
Normal DMA Destination Address Type.
0: Increment
1: No Change.
20:16
R/W
0x0
NDMA_DEST_DRQ_TYPE.
Normal DMA Destination DRQ Type.
00000 : IR0-TX
00001 : IR1-TX
00010 : SPDIF-TX
00011 : IIS0-TX
00100 : IIS1-TX
00101 : AC97-TX
00110 : IIS2-TX
00111 :
01000 : UART0 TX
01001 : UART1 TX
01010 : UART2 TX
01011 : UART3 TX
01100 : UART4 TX
01101 : UART5 TX
01110 : UART6 TX
01111 : UART7 TX
10000 : HDMI DDC TX
10001 : USB EP1
10010 : /
10011 : Audio Codec D/A
10100 : /
10101 : SRAM(range : )
10110 : SDRAM
10111 : /
11000 : SPI0 TX
11001 : SPI1 TX
11010 : SPI2 TX
11011 : SPI3 TX
11100 : USB EP2
11101 : USB EP3

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