Overview
The TMS320VC5470GHK is a fixed-point Digital Signal Processor (DSP) from Texas Instruments, designed to provide high-performance processing for a variety of applications. This DSP is based on an advanced modified Harvard architecture, which includes one program memory bus and three data memory buses. This architecture allows for simultaneous access to program instructions and data, enhancing parallelism and processing speed.
The TMS320VC5470GHK is part of the TMS320C54x family, known for its robust set of features and peripherals that support complex signal processing tasks. It is particularly suited for client-side telephony, data modem, and other real-time signal processing applications.
Key Specifications
| Specification | Details |
|---|---|
| Program Memory | 128K × 16-Bit On-Chip ROM |
| RAM | 40K × 16-Bit On-Chip RAM (Five blocks of 8K × 16-Bit Dual-Access Program/Data RAM) |
| Arithmetic Logic Unit (ALU) | 40-Bit ALU with 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators |
| Multiplier | 17 × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle MAC Operation |
| Instruction Execution Time | 8.33-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) |
| Supply Voltages | 3.3-V I/O Supply Voltage, 1.5-V Core Supply Voltage |
| Package Options | 144-Pin Ball Grid Array (BGA), 144-Pin Low-Profile Quad Flatpack (LQFP) |
| On-Chip Peripherals | Two 16-Bit Timers, Six-Channel DMA Controller, Two McBSPs, 8/16-Bit Enhanced Parallel Host-Port Interface (HPI8/16), UART with Integrated Baud Rate Generator |
Key Features
- Advanced Multibus Architecture: Three separate 16-Bit data memory buses and one program memory bus for high parallelism.
- High-Performance ALU: 40-Bit ALU with a 40-Bit barrel shifter and two independent 40-Bit accumulators.
- On-Chip Memory and Peripherals: Includes on-chip ROM, RAM, timers, DMA controller, McBSPs, and enhanced parallel host-port interface.
- Power Management: IDLE1, IDLE2, and IDLE3 instructions with power-down modes for efficient power consumption.
- Software-Programmable Wait-State Generator and Programmable Bank-Switching: For flexible memory access and management.
- On-Chip Programmable Phase-Locked Loop (PLL) Clock Generator: With external clock source for precise clock management.
Applications
- Client-Side Telephony: Supports telephony algorithms and voice processing.
- Data Modem: Capable of modem operations up to V.32BIS 14400 bps.
- Real-Time Signal Processing: Suitable for various real-time signal processing tasks.
- Embedded Systems: Can be used in embedded systems requiring high-performance DSP capabilities.
Q & A
- What is the architecture of the TMS320VC5470GHK?
The TMS320VC5470GHK is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the capacity of the on-chip ROM and RAM?
The on-chip ROM is 128K × 16-Bit, and the on-chip RAM is 40K × 16-Bit, composed of five blocks of 8K × 16-Bit dual-access program/data RAM.
- What is the performance of the ALU?
The ALU is a 40-Bit ALU with a 40-Bit barrel shifter and two independent 40-Bit accumulators.
- What are the supply voltages for this DSP?
The supply voltages are 3.3-V for I/O and 1.5-V for the core.
- What are the package options available for this DSP?
The package options include 144-Pin Ball Grid Array (BGA) and 144-Pin Low-Profile Quad Flatpack (LQFP).
- What kind of on-chip peripherals does it have?
It includes two 16-Bit timers, a six-channel DMA controller, two McBSPs, an 8/16-Bit enhanced parallel host-port interface (HPI8/16), and a UART with an integrated baud rate generator.
- What is the instruction execution time of this DSP?
The single-cycle fixed-point instruction execution time is 8.33 ns, which translates to 120 MIPS.
- Does this DSP support power management features?
Yes, it supports power management through IDLE1, IDLE2, and IDLE3 instructions with power-down modes.
- What are some common applications of this DSP?
Common applications include client-side telephony, data modem operations, real-time signal processing, and embedded systems.
- Is design support available for new projects using this DSP?
No, ongoing design support from TI for new projects is not available for this product.
