Texas Instruments TMS320C6457 User Manual
User's guide
Table of contents
Document Outline
- TMS320C6457 DSPHost Port Interface (HPI)
- Table of Contents
- Preface
- 1 Introduction to the HPI
- 2 Using the Address Registers
- 3 HPI Operation
- 3.1 Host-HPI Signal Connections
- 3.2 HPI Configuration and Data Flow
- 3.3 HDS2, HDS1, and HCS: Data Strobing and Chip Selection
- 3.4 HCNTL[1:0] and HR/W: Indicating the Cycle Type
- 3.5 HHWIL: Identifying the First and Second Halfwords in 16-Bit Multiplexed Mode
- 3.6 HAS: Forcing the HPI to Latch Control Information Early
- 3.7 Performing a Multiplexed Access Without HAS
- 3.8 Single-Halfword HPIC Cycle in the 16-Bit Multiplexed Mode
- 3.9 Hardware Handshaking Using the HPI-Ready (HRDY) Signal
- 4 Software Handshaking Using the HPI Ready (HRDY) Bit
- 5 Interrupts Between the Host and the CPU
- 6 FIFOs and Bursting
- 7 Emulation and Reset Considerations
- 8 HPI Registers
- Appendix A Revision History