Overview
The TMS320VC5407, produced by Texas Instruments, is a fixed-point digital signal processor (DSP) that belongs to the TMS320C5000 DSP family. This processor is designed to provide high performance and flexibility, making it suitable for a wide range of applications in digital signal processing. The TMS320VC5407 features an advanced modified Harvard architecture with one program memory bus and three data memory buses, enabling simultaneous access to program instructions and data, which enhances parallelism and processing speed.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 144-Pin Low-Profile Quad Flatpack (LQFP) |
| Pins | 144 |
| Operating Supply Voltage | 1.5 V (Core), 3.3 V (I/O) |
| Operating Temperature Range | 0°C to 85°C |
| Program Memory Size | 128K × 16-Bit |
| On-Chip RAM | 40K × 16-Bit (five blocks of 8K × 16-Bit) |
| Instruction Execution Time | 8.33 ns (120 MIPS) |
| On-Chip Peripherals | Two 16-Bit Timers, Six-Channel DMA Controller, Three McBSPs, UART, HPI8/16 |
| Clock Generator | On-Chip Programmable Phase-Locked Loop (PLL) |
Key Features
- Advanced Multibus Architecture with three separate 16-bit data memory buses and one program memory bus.
- 40-Bit Arithmetic Logic Unit (ALU) including a 40-bit barrel shifter and two independent 40-bit accumulators.
- 17 × 17-bit parallel multiplier coupled to a 40-bit dedicated adder for non-pipelined single-cycle multiply/accumulate (MAC) operation.
- Compare, Select, and Store Unit (CSSU) for the add/compare selection of the Viterbi operator.
- Exponent encoder to compute an exponent value of a 40-bit accumulator value in a single cycle.
- Two address generators with eight auxiliary registers and two auxiliary register arithmetic units (ARAUs).
- Data bus with a bus holder feature.
- Extended addressing mode for 8M × 16-bit maximum addressable external program space.
- On-chip ROM and RAM.
- Enhanced external parallel interface (XIO2).
- Single-instruction-repeat and block-repeat operations for program code.
- Block-memory-move instructions for better program and data management.
- Instructions with a 32-bit long word operand.
- Instructions with two- or three-operand reads.
- Arithmetic instructions with parallel store and parallel load.
- Conditional store instructions.
- Fast return from interrupt.
- On-chip peripherals including software-programmable wait-state generator, programmable bank-switching, and on-chip PLL clock generator.
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions with power-down modes.
- CLKOUT off control to disable CLKOUT.
- On-chip scan-based emulation logic, IEEE Std 1149.1 (JTAG) boundary scan logic.
Applications
The TMS320VC5407 is versatile and can be used in various applications requiring high-performance digital signal processing. These include:
- Telecommunications: For tasks such as echo cancellation, voice compression, and modem implementations.
- Audio Processing: For audio compression, decompression, and enhancement.
- Image Processing: For image compression, filtering, and other image processing tasks.
- Industrial Control: For control systems that require real-time signal processing.
- Medical Devices: For medical imaging, signal analysis, and other medical applications.
- Aerospace and Defense: For radar, sonar, and other signal processing-intensive applications.
Q & A
- What is the TMS320VC5407?
The TMS320VC5407 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C5000 DSP family.
- What is the architecture of the TMS320VC5407?
The TMS320VC5407 is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What are the key features of the TMS320VC5407's ALU?
The ALU includes a 40-bit barrel shifter and two independent 40-bit accumulators, and supports a 17 × 17-bit parallel multiplier.
- What is the program memory size of the TMS320VC5407?
The program memory size is 128K × 16-Bit.
- What are the on-chip peripherals available on the TMS320VC5407?
The peripherals include two 16-bit timers, a six-channel DMA controller, three McBSPs, a UART, and an HPI8/16 interface.
- What is the operating supply voltage for the TMS320VC5407?
The operating supply voltage is 1.5 V for the core and 3.3 V for the I/O.
- What is the instruction execution time of the TMS320VC5407?
The instruction execution time is 8.33 ns, which corresponds to 120 MIPS.
- Does the TMS320VC5407 support power management features?
Yes, it supports power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- What kind of clock generator does the TMS320VC5407 have?
The TMS320VC5407 has an on-chip programmable phase-locked loop (PLL) clock generator.
- Is the TMS320VC5407 compatible with JTAG boundary scan logic?
Yes, it supports IEEE Std 1149.1 (JTAG) boundary scan logic.
