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TMS570LS0714
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SPNS226E –JUNE 2013–REVISED NOVEMBER 2016
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System Information and Electrical SpecificationsCopyright © 2013–2016, Texas Instruments Incorporated
(1) SPI1, SPI3, SPI5 receive when configured in standard SPI mode
(2) SPI1, SPI3, SPI5 transmit when configured in standard SPI mode
6.15.2 Default DMA Request Map
The DMA module on this microcontroller has 16 channels and up to 32 hardware DMA requests. The
module contains DREQASIx registers which are used to map the DMA requests to the DMA channels. By
default, channel 0 is mapped to request 0, channel 1 to request 1, and so on.
Some DMA requests have multiple sources, as shown in Table 6-28. The application must ensure that
only one of these DMA request sources is enabled at any time.
Table 6-28. DMA Request Line Connection
Modules DMA Request Sources DMA Request
MIBSPI1 MIBSPI1[1]
(1)
DMAREQ[0]
MIBSPI1 MIBSPI1[0]
(2)
DMAREQ[1]
SPI2 SPI2 receive DMAREQ[2]
SPI2 SPI2 transmit DMAREQ[3]
MIBSPI1 / MIBSPI3 / DCAN2 MIBSPI1[2] / MIBSPI3[2] / DCAN2 IF3 DMAREQ[4]
MIBSPI1 / MIBSPI3 / DCAN2 MIBSPI1[3] / MIBSPI3[3] / DCAN2 IF2 DMAREQ[5]
DCAN1 / MIBSPI5 DCAN1 IF2 / MIBSPI5[2] DMAREQ[6]
MIBADC1 / MIBSPI5 MIBADC1 event / MIBSPI5[3] DMAREQ[7]
MIBSPI1 / MIBSPI3 / DCAN1 MIBSPI1[4] / MIBSPI3[4] / DCAN1 IF1 DMAREQ[8]
MIBSPI1 / MIBSPI3 / DCAN2 MIBSPI1[5] / MIBSPI3[5] / DCAN2 IF1 DMAREQ[9]
MIBADC1 / I2C / MIBSPI5 MIBADC1 G1 / I2C receive / MIBSPI5[4] DMAREQ[10]
MIBADC1 / I2C / MIBSPI5 MIBADC1 G2 / I2C transmit / MIBSPI5[5] DMAREQ[11]
RTI / MIBSPI1 / MIBSPI3 RTI DMAREQ0 / MIBSPI1[6] / MIBSPI3[6] DMAREQ[12]
RTI / MIBSPI1 / MIBSPI3 RTI DMAREQ1 / MIBSPI1[7] / MIBSPI3[7] DMAREQ[13]
MIBSPI3 / MibADC2 / MIBSPI5 MIBSPI3[1]
(1)
/ MibADC2 event / MIBSPI5[6] DMAREQ[14]
MIBSPI3 / MIBSPI5 MIBSPI3[0]
(2)
/ MIBSPI5[7] DMAREQ[15]
MIBSPI1 / MIBSPI3 / DCAN1 / MibADC2 MIBSPI1[8] / MIBSPI3[8] / DCAN1 IF3 / MibADC2 G1 DMAREQ[16]
MIBSPI1 / MIBSPI3 / DCAN3 / MibADC2 MIBSPI1[9] / MIBSPI3[9] / DCAN3 IF1 / MibADC2 G2 DMAREQ[17]
RTI / MIBSPI5 RTI DMAREQ2 / MIBSPI5[8] DMAREQ[18]
RTI / MIBSPI5 RTI DMAREQ3 / MIBSPI5[9] DMAREQ[19]
N2HET1 / N2HET2 / DCAN3 N2HET1 DMAREQ[4] / N2HET2 DMAREQ[4] / DCAN3
IF2
DMAREQ[20]
N2HET1 / N2HET2 / DCAN3 N2HET1 DMAREQ[5] / N2HET2 DMAREQ[5] / DCAN3
IF3
DMAREQ[21]
MIBSPI1 / MIBSPI3 / MIBSPI5 MIBSPI1[10] / MIBSPI3[10] / MIBSPI5[10] DMAREQ[22]
MIBSPI1 / MIBSPI3 / MIBSPI5 MIBSPI1[11] / MIBSPI3[11] / MIBSPI5[11] DMAREQ[23]
N2HET1 / N2HET2 / SPI4 / MIBSPI5 N2HET1 DMAREQ[6] / N2HET2 DMAREQ[6] / SPI4
receive / MIBSPI5[12]
DMAREQ[24]
N2HET1 / N2HET2 / SPI4 / MIBSPI5 N2HET1 DMAREQ[7] / N2HET2 DMAREQ[7] / SPI4
transmit / MIBSPI5[13]
DMAREQ[25]
CRC / MIBSPI1 / MIBSPI3 CRC DMAREQ[0] / MIBSPI1[12] / MIBSPI3[12] DMAREQ[26]
CRC / MIBSPI1 / MIBSPI3 CRC DMAREQ[1] / MIBSPI1[13] / MIBSPI3[13] DMAREQ[27]
LIN / MIBSPI5 LIN receive / MIBSPI5[14] DMAREQ[28]
LIN / MIBSPI5 LIN transmit / MIBSPI5[15] DMAREQ[29]
MIBSPI1 / MIBSPI3 / SCI / MIBSPI5 MIBSPI1[14] / MIBSPI3[14] / SCI receive /
MIBSPI5[1]
(1)
DMAREQ[30]
MIBSPI1 / MIBSPI3 / SCI / MIBSPI5 MIBSPI1[15] / MIBSPI3[15] / SCI transmit /
MIBSPI5[0]
(2)
DMAREQ[31]
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