Overview
The TMS320VC5401 is a fixed-point digital signal processor (DSP) from Texas Instruments, based on an advanced modified Harvard architecture. This processor features one program memory bus and three data memory buses, enabling high parallelism and simultaneous access to program instructions and data. The 5401 includes a robust arithmetic logic unit (ALU), application-specific hardware logic, on-chip memory, and various on-chip peripherals. Its operational flexibility and speed are driven by a highly specialized instruction set, making it suitable for a wide range of digital signal processing applications.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) |
| Operating Temperature Range | 0°C to 85°C |
| Core Voltage | 1.8 V |
| I/O Voltage | 3.3 V |
| Instruction Execution Time | 20 ns (50 MIPS at 3.3 V) |
| On-Chip ROM | 4K x 16-Bit |
| On-Chip RAM | 8K x 16-Bit Dual-Access |
| 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 |
| Address Generators | Two Address Generators With Eight Auxiliary Registers and Two Auxiliary Register Arithmetic Units (ARAUs) |
| Peripherals | Two Multichannel Buffered Serial Ports (McBSPs), Enhanced 8-Bit Parallel Host-Port Interface (HPI8), Two 16-Bit Timers, Six-Channel Direct Memory Access (DMA) Controller |
Key Features
- Advanced modified Harvard architecture with one program memory bus and three data memory buses.
- 40-Bit Arithmetic Logic Unit (ALU) with 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.
- On-Chip Peripherals including McBSPs, HPI8, Timers, and DMA Controller.
- On-Chip Phase-Locked Loop (PLL) Clock Generator with internal oscillator or external clock source.
- Power Consumption Control with IDLE1, IDLE2, and IDLE3 Instructions and Power-Down Modes.
- On-Chip Scan-Based Emulation Logic, IEEE Std 1149.1 (JTAG) Boundary Scan Logic.
Applications
The TMS320VC5401 is optimized for various applications including:
- Telecom and VoIP equipment.
- Personal and portable products such as digital music players and radios.
- GPS and navigation systems.
- Industrial control and automation systems.
- Aerospace and defense applications.
Q & A
- What is the architecture of the TMS320VC5401?
The TMS320VC5401 is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the core voltage of the TMS320VC5401?
The core voltage of the TMS320VC5401 is 1.8 V.
- What is the instruction execution time of the TMS320VC5401?
The instruction execution time is 20 ns, which translates to 50 MIPS at a 3.3 V power supply.
- What on-chip memory does the TMS320VC5401 have?
The TMS320VC5401 includes 4K x 16-Bit on-chip ROM and 8K x 16-Bit dual-access on-chip RAM.
- What peripherals are included in the TMS320VC5401?
The peripherals include two Multichannel Buffered Serial Ports (McBSPs), an Enhanced 8-Bit Parallel Host-Port Interface (HPI8), two 16-Bit Timers, and a Six-Channel Direct Memory Access (DMA) Controller.
- Does the TMS320VC5401 support power management features?
Yes, it supports power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- What is the packaging of the TMS320VC5401?
The TMS320VC5401 is available in a 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) and a 144-Ball MicroStar BGA™ package.
- What is the operating temperature range of the TMS320VC5401?
The operating temperature range is from 0°C to 85°C.
- Does the TMS320VC5401 support JTAG boundary scan?
Yes, it includes IEEE Std 1149.1 (JTAG) boundary scan logic.
- What are some typical applications of the TMS320VC5401?
Typical applications include telecom and VoIP equipment, personal and portable products, GPS and navigation systems, industrial control, and aerospace and defense applications.
