Host Interface (HDI08)
HDI08 Features
MOTOROLA
DSP56367
8-3
–
HACK/HRRQ
Host acknowledge (HACK) or Host receive request (HRRQ)
•
Mapping:
–
HDI08 registers are mapped into eight consecutive byte locations in the external
host bus address space.
–
The HDI08 acts as a memory or IO-mapped peripheral for microprocessors,
microcontrollers, etc.
•
Data Word:
–
8-bit
•
Transfer Modes:
–
Mixed 8-bit, 16-bit and 24-bit data transfers
•
DSP to Host
•
Host to DSP
–
Host Command
•
Handshaking Protocols:
–
Software polled
–
Interrupt-driven (Interrupts are compatible with most processors, including the
MC68000, 8051, HC11 and Hitachi H8).
–
Cycle-stealing DMA with initialization
•
Dedicated Interrupts:
–
Separate interrupt lines for each interrupt source
–
Special host commands force DSP core interrupts under host processor control,
which are useful for the following:
•
Real-Time Production Diagnostics
•
Debugging Window for Program Development
•
Host Control Protocols
•
Interface Capabilities:
–
Glueless interface (no external logic required) to the following:
•
Motorola HC11
•
Hitachi H8
•
8051 family
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: ......