Overview
The TMS320VC5441APGF is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C5000 family. This processor is based on an advanced modified Harvard architecture, which includes one program memory bus and three data memory buses. This architecture allows for high parallelism, enabling simultaneous access to program instructions and data, and supporting powerful arithmetic, logic, and bit-manipulation operations.
The TMS320VC5441APGF is designed to provide high performance and flexibility, making it suitable for a wide range of digital signal processing applications. It features a highly specialized instruction set, on-chip memory, and various on-chip peripherals.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) or 144-Pin Ball Grid Array (BGA) |
| Operating Temperature Range | 0°C to 85°C (typical) |
| Core Supply Voltage | 1.6 V |
| I/O Supply Voltage | 3.3 V |
| Instruction Execution Time | 6.25 ns (160 MIPS) or 10 ns (100 MIPS) depending on the configuration |
| On-Chip RAM | 16K x 16-Bit Dual-Access RAM |
| On-Chip ROM | 16K x 16-Bit ROM (configured for program memory) |
| External Memory Interface | Extended addressing mode for 8M x 16-Bit maximum addressable external program space |
| Peripherals | Six-channel DMA controller, three multichannel buffered serial ports (McBSPs), enhanced parallel host-port interface (HPI), two 16-bit timers |
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
- Software-programmable wait-state generator and programmable bank-switching
- On-chip phase-locked loop (PLL) clock generator with internal oscillator or external clock source
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions with power-down modes
- On-chip scan-based emulation logic, IEEE Std 1149.1 (JTAG) boundary scan logic
Applications
The TMS320VC5441APGF is suitable for various digital signal processing applications, including:
- Audio and video processing
- Telecommunications and wireless communication systems
- Industrial control and automation
- Medical imaging and diagnostics
- Aerospace and defense systems
- Automotive systems, including infotainment and safety features
Q & A
- What is the architecture of the TMS320VC5441APGF?
The TMS320VC5441APGF is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the instruction execution time of the TMS320VC5441APGF?
The instruction execution time can be as low as 6.25 ns (160 MIPS) or 10 ns (100 MIPS) depending on the configuration.
- What type of on-chip memory does the TMS320VC5441APGF have?
The processor includes 16K x 16-Bit dual-access on-chip RAM and 16K x 16-Bit on-chip ROM configured for program memory.
- What peripherals are available on the TMS320VC5441APGF?
The processor features a six-channel DMA controller, three multichannel buffered serial ports (McBSPs), an enhanced parallel host-port interface (HPI), and two 16-bit timers.
- How does the TMS320VC5441APGF manage power consumption?
The processor includes power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- What is the purpose of the on-chip PLL clock generator?
The on-chip PLL clock generator allows for the use of an internal oscillator or an external clock source, providing flexibility in clock management.
- What is the significance of the bus holder feature on the data bus?
The bus holder feature reduces static power dissipation by keeping unused pins at the previous logic level, eliminating the need for external bias resistors.
- Can the TMS320VC5441APGF be used in high-temperature environments?
The processor typically operates within a temperature range of 0°C to 85°C.
- What is the role of the compare, select, and store unit (CSSU) in the TMS320VC5441APGF?
The CSSU is used for the add/compare selection of the Viterbi operator, enhancing the processor's capability in specific algorithms.
- How does the TMS320VC5441APGF support debugging and testing?
The processor includes on-chip scan-based emulation logic and IEEE Std 1149.1 (JTAG) boundary scan logic for debugging and testing purposes.
