NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 365

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

DMA Control Register (DMACTL)
Register
SPI_DMA
Bits
[31:2]
[1]
[0]
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
SPIx_BA+0x38
Descriptions
Reserved
RX_DMA_GO
TX_DMA_GO
30
22
14
6
R/W
R/W
29
21
13
5
Reserved
Reserved
Receive DMA Start
Set this bit to 1 will start the receive PDMA process. SPI controller will issue
request to PDMA controller automatically.
Hardware will auto clear this bit to 0 after PDMA function done.
Transmit DMA Start
Set this bit to 1 will start the transmit PDMA process. SPI controller will issue
request to PDMA controller automatically.
If using PDMA mode to transfer data, remember not to set GO_BUSY bit of
SPI_CNTRL register. The DMA controller inside SPI controller will set it
automatically whenever necessary.
Hardware will auto clear this bit to 0 after PDMA function done.
Note: In DMA mode, the burst mode is not support.
Description
SPI DMA Mode Control Register
28
20
12
4
- 365 -
Reserved
Reserved
Reserved
27
19
11
3
Publication Release Date: Oct 22, 2010
26
18
10
2
RX_DMA_GO TX_DMA_GO
25
17
9
1
Revision V1.06
Reset Value
0x0000_0000
24
16
8
0