ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 273 -
Revision 2.4
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Reserved
RXMDAEN
TXMDAEN
Table 5-109 SPI DMA Control Register (DMA, address 0x4003_8038)
Bits
Description
[31:2]
Reserved
Reserved
[1]
RXMDAEN
Receive DMA Start
1 = Enable
0 = Disable
Set this bit to 1 will start the receive DMA process. SPI module will issue
request to DMA module automatically.
[0]
TXMDAEN
Transmit DMA Start
1 = Enable
0 = Disable
Set this bit to 1 will start the transmit DMA process. SPI module will issue
request to DMA module automatically.
If using DMA mode to transfer data, remember not to set EN bit of
SPI_CTL register. The DMA controller inside SPI module will set it
automatically whenever necessary.
