Core Configuration
DMA Request Sources
MOTOROLA
DSP56367
6-13
6.5
DMA REQUEST SOURCES
The DMA Request Source bits (DRS0-DRS4 bits in the DMA Control/Status registers)
encode the source of DMA requests used to trigger the DMA transfers. The DMA request
sources may be the internal peripherals or external devices requesting service through the
IRQA, IRQB, IRQC and IRQD pins. The DMA Request Sources are shown in Table 6-7.
Table 6-7 DMA Request Sources
DMA Request Source Bits
DRS4...DRS0
Requesting Device
00000
External (IRQA pin)
00001
External (IRQB pin)
00010
External (IRQC pin)
00011
External (IRQD pin)
00100
Transfer Done from DMA channel 0
00101
Transfer Done from DMA channel 1
00110
Transfer Done from DMA channel 2
00111
Transfer Done from DMA channel 3
01000
Transfer Done from DMA channel 4
01001
Transfer Done from DMA channel 5
01010
DAX Transmit Data
01011
ESAI Receive Data (RDF=1)
01100
ESAI Transmit Data (TDE=1)
01101
SHI HTX Empty
01110
SHI FIFO Not Empty
01111
SHI FIFO Full
10000
HDI08 Receive Data
10001
HDI08 Transmit Data
10010
TIMER0 (TCF=1)
10011
TIMER1 (TCF=1)
10100
TIMER2 (TCF=1)
10101
ESAI_1 Receive Data (RDF=1)
10110
ESAI_1 Transmit Data (TDE=1)
10111-11111
RESERVED
Summary of Contents for DSP56367
Page 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Page 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Page 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Page 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Page 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Page 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Page 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Page 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Page 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Page 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Page 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Page 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Page 522: ...Index 6 MOTOROLA Index ...
Page 523: ......