ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 241 -
Revision 2.4
SPI DMA Control Register (SPI0_PDMACTL)
Register
Offset
R/W Description
Reset Value
SPI0_PDMACT
L
S 0x0C
R/W SPI PDMA Control Register
0x0000_0000
Table 5-94 SPI0_PDMACTL Control Register (address S 0x0C)
7
6
5
4
3
2
1
0
Reserved
PDMARST
RXPDMAEN
TXPDMAEN
Bits
Description
[31:3]
Reserved
Reserved.
[2]
PDMARST
PDMA Reset
0 = No effect.
1 = Reset the PDMA control logic of the SPI controller. This bit will be cleared to
0 automatically.
[1]
RXPDMAEN
Receive PDMA Enable
Setting this bit to 1 will start the receive PDMA process. The SPI controller will
issue request to PDMA controller automatically when the SPI receive buffer is not
empty. This bit will be cleared to 0 by hardware automatically after PDMA
transfer is done.
[0]
TXPDMAEN
Transmit DMA Enable
Setting this bit to 1 will start the transmit PDMA process. SPI controller will issue
request to PDMA controller automatically. Hardware will clear this bit to 0
automatically after PDMA transfer done.