Overview
The TMS320C5421PGEA200 is a Digital Signal Processor (DSP) from Texas Instruments, designed to handle complex signal processing tasks efficiently. This DSP is part of the TMS320C54x family, which is known for its advanced modified Harvard architecture. The processor features a high degree of parallelism, application-specific hardware logic, on-chip memory, and various on-chip peripherals. It is particularly suited for telephony and data modem applications, offering robust support for telephony algorithms and voice processing.
Key Specifications
| Parameter | Specification |
|---|---|
| On-Chip ROM | 128K × 16-Bit (Configured for Program Memory) |
| On-Chip RAM | 40K × 16-Bit (Five Blocks of 8K × 16-Bit Dual-Access Program/Data RAM) |
| Instruction Execution Time | 8.33-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) |
| Supply Voltage | 3.3-V I/O Supply Voltage, 1.5-V Core Supply Voltage |
| Memory Buses | Three Separate 16-Bit Data Memory Buses and One Program Memory Bus |
| Arithmetic Logic Unit (ALU) | 40-Bit ALU Including a 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators |
| Multiplier | 17- × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder |
| Peripherals | Two 16-Bit Timers, Six-Channel DMA Controller, Two McBSPs, UART, HPI8/16, Integrated DAA Module |
| Package | 144-Pin Low-Profile Quad Flatpack (LQFP) |
Key Features
- Advanced Modified Harvard Architecture: Supports simultaneous access to program instructions and data, enabling high parallelism.
- On-Chip Memory and Peripherals: Includes on-chip ROM, RAM, timers, DMA controller, McBSPs, UART, and HPI8/16.
- High-Performance ALU: 40-Bit ALU with a barrel shifter and two independent accumulators.
- Power Management: IDLE1, IDLE2, and IDLE3 instructions with power-down modes.
- Programmable PLL Clock Generator: With external clock source.
- Telephony and Voice Processing: Supports DTMF, CPTD, Caller ID, Echo Canceller, G726, VAD, CNG, AGC.
Applications
- Client-Side Telephony: Ideal for stand-alone telephony and data modem applications.
- Data Modem: Supports modem operations up to V.32BIS 14400 bps.
- Voice Processing: Suitable for echo cancellation, voice compression, and other voice processing tasks.
- Embedded Systems: Can be used in various embedded systems requiring high-performance signal processing.
Q & A
- What is the primary application of the TMS320C5421PGEA200 DSP?
The primary application is client-side telephony and data modem operations.
- What is the architecture of the TMS320C5421PGEA200?
It 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.
- What are the key features of the ALU in this DSP?
The ALU is a 40-Bit ALU with a barrel shifter and two independent 40-Bit accumulators.
- What peripherals are included on the chip?
Peripherals include two 16-Bit timers, a six-channel DMA controller, two McBSPs, a UART, HPI8/16, and an integrated DAA module.
- What is the instruction execution time of this DSP?
The single-cycle fixed-point instruction execution time is 8.33 ns, resulting in 120 MIPS.
- What are the supply voltage requirements for this DSP?
The I/O supply voltage is 3.3V, and the core supply voltage is 1.5V.
- Does this DSP support power management features?
Yes, it supports IDLE1, IDLE2, and IDLE3 instructions with power-down modes.
- What package options are available for this DSP?
It is available in a 144-Pin Low-Profile Quad Flatpack (LQFP) package.
- Is ongoing design support available from TI for this product?
No, ongoing design support from TI for new projects is not available for this product.
