8-2
DSP56367
MOTOROLA
Host Interface (HDI08)
HDI08 Features
–
Host Command
•
Handshaking Protocols:
–
Software polled
–
Interrupt driven
–
Core DMA accesses
•
Instructions:
–
Memory-mapped registers allow the standard MOVE instruction to be used to
transfer data between the DSP and the external host.
–
Special MOVEP instruction provides for I/O service capability using fast
interrupts.
–
Bit addressing instructions (e.g. BCHG, BCLR, BSET, BTST, JCLR, JSCLR,
JSET, JSSET) simplify I/O service routines.
8.2.2
INTERFACE - HOST SIDE
•
Sixteen signals are provided to support non-multiplexed or multiplexed buses:
–
H0-H7/HAD0-HAD7
Host data bus (H7-H0) or host multiplexed address/data bus (HAD0-HAD7)
–
HAS/HA0
Address strobe (HAS) or Host address line HA0
–
HA8/HA1
Host address line HA8 or Host address line HA1
–
HA9/HA2
Host address line HA9 or Host address line HA2
–
HRW/HRD
Read/write select (HRW) or Read Strobe (HRD)
–
HDS/HWR
Data Strobe (HDS) or Write Strobe (HWR)
–
HCS/HA10
Host chip select (HCS) or Host address line HA10
–
HOREQ/HTRQ
Host request (HOREQ) or Host transmit request (HTRQ)
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: ......