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Motorola
Figure 4-13
Command Vector Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-29
Figure 4-14
Host Processor Transfer Timing . . . . . . . . . . . . . . . . . . . . . . . . .4-37
Figure 4-15
Interrupt Vector Register Read Timing . . . . . . . . . . . . . . . . . . . .4-40
Figure 4-16
HI Interrupt Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-40
Figure 4-17
DMA Transfer Logic and Timing . . . . . . . . . . . . . . . . . . . . . . . . .4-41
Figure 4-18
HI Initialization Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-42
Figure 4-19
HI Initialization—DSP Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-43
Figure 4-20
HI Initialization—Host Side, Interrupt Mode . . . . . . . . . . . . . . . .4-44
Figure 4-21
HI Mode and INIT Bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-45
Figure 4-22
HI Initialization—Host Side, Polling Mode. . . . . . . . . . . . . . . . . .4-46
Figure 4-23
HI Configuration—Host Side. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-46
Figure 4-24
HI Initialization–Host Side, DMA Mode . . . . . . . . . . . . . . . . . . . .4-47
Figure 4-25
Bits Used for Host-to-DSP Transfer . . . . . . . . . . . . . . . . . . . . . .4-48
Figure 4-26
Data Transfer from Host to DSP . . . . . . . . . . . . . . . . . . . . . . . . .4-50
Figure 4-27
Host Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-52
Figure 4-28
Receive Data from Host—Main Program . . . . . . . . . . . . . . . . . .4-53
Figure 4-29
Receive Data from Host Interrupt Routine . . . . . . . . . . . . . . . . .4-53
Figure 4-30
Transmit/Receive Byte Registers . . . . . . . . . . . . . . . . . . . . . . . .4-54
Figure 4-31
Bootstrap Using the Host Interface . . . . . . . . . . . . . . . . . . . . . . .4-55
Figure 4-32
Bits Used for DSP to Host Transfer . . . . . . . . . . . . . . . . . . . . . .4-57
Figure 4-33
Data Transfer from DSP to Host . . . . . . . . . . . . . . . . . . . . . . . . .4-58
Figure 4-34
Main Program: Transmit 24-bit Data to Host . . . . . . . . . . . . . . .4-59
Figure 4-35
HI Hardware–DMA Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-60
Summary of Contents for DSP56012
Page 12: ...xii Motorola ...
Page 20: ...xx Motorola ...
Page 21: ...MOTOROLA DSP56012 User s Manual 1 1 SECTION 1 OVERVIEW ...
Page 40: ...1 20 DSP56012 User s Manual MOTOROLA Overview DSP56012 Architectural Overview ...
Page 41: ...MOTOROLA DSP56012 User s Manual 2 1 SECTION 2 SIGNAL DESCRIPTIONS ...
Page 61: ...SECTION 3 MEMORY OPERATING MODES AND INTERRUPTS ...
Page 81: ...MOTOROLA DSP56012 User s Manual 4 1 SECTION 4 PARALLEL HOST INTERFACE ...
Page 148: ...4 68 DSP56012 User s Manual MOTOROLA Parallel Host Interface Host Interface HI ...
Page 149: ...MOTOROLA DSP56012 User s Manual 5 1 SECTION 5 SERIAL HOST INTERFACE ...
Page 179: ...MOTOROLA DSP56012 User s Manual 6 1 SECTION 6 SERIAL AUDIO INTERFACE ...
Page 205: ...MOTOROLA DSP56012 User s Manual 7 1 SECTION 7 GPIO ...
Page 210: ...7 6 DSP56012 User s Manual MOTOROLA GPIO GPIO Register GPIOR ...
Page 211: ...MOTOROLA DSP56012 User s Manual 8 1 SECTION 8 DIGITAL AUDIO TRANSMITTER ...
Page 226: ...8 16 DSP56012 User s Manual MOTOROLA Digital Audio Transmitter DAX Programming Considerations ...
Page 233: ...MOTOROLA DSP56012 User s Manual B 1 APPENDIX B PROGRAMMING REFERENCE ...