Overview
The TMS320C6421ZDU4 is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C6000 DSP platform. This device is based on the third-generation C64x+™ DSP core, which utilizes the advanced VelociTI™ very-long-instruction-word (VLIW) architecture. The C6421 offers exceptional performance, with clock rates up to 600 MHz and a capability of executing up to 5600 million instructions per second (MIPS). It is designed to address high-performance DSP programming challenges in various applications, including telecom, audio, and industrial sectors.
Key Specifications
| Feature | Specification |
|---|---|
| Instruction Cycle Time | 2.5-, 2-, 1.67-, 1.43- ns |
| Clock Rate | 400-, 500-, 600-MHz |
| Instructions per Cycle | Eight 32-Bit C64x+ Instructions/Cycle |
| MIPS | 3200, 4000, 4800, 5600 MIPS |
| L1 Program Memory/Cache (L1P) | 128K-Bit (16K-Byte), Flexible Allocation |
| L1 Data Memory/Cache (L1D) | 384K-Bit (48K-Byte), Flexible Allocation |
| L2 Unified Mapped RAM/Cache | 512K-Bit (64K-Byte), Flexible Allocation |
| Endianess | Supports Both Little Endian and Big Endian |
| External Memory Interfaces | 16-Bit DDR2 SDRAM, Asynchronous 8-Bit-Wide EMIF (EMIFA) |
| Flash Memory Interfaces | NOR (8-Bit-Wide Data), NAND (8-Bit-Wide Data) |
| Package Type | 376-Pin Plastic BGA Package (ZDU Suffix), 1.0-mm Ball Pitch |
| Process Technology | 0.09-µm/6-Level Cu Metal Process (CMOS) |
| Operating Temperature Range | 0 to 90°C |
Key Features
- High-Performance DSP Core: The C64x+™ DSP core features eight highly independent functional units, including six arithmetic logic units (ALUs) and two multipliers, supporting advanced arithmetic operations.
- Memory Architecture: A two-level cache-based memory architecture with Level 1 program and data memory/cache and a unified Level 2 memory/cache.
- External Memory Interfaces: Supports 16-Bit DDR2 SDRAM and asynchronous 8-Bit-Wide EMIF (EMIFA) for various memory configurations.
- Peripherals: Includes a 10/100 Mb/s Ethernet MAC, I2C Bus interface, multichannel buffered serial port (McBSP0), multichannel audio serial port (McASP0), and more.
- Power Management: Individual power-saving modes and flexible PLL clock generators for efficient power management.
- GPIO and Timers: Up to 111 general-purpose I/O (GPIO) pins and two 64-bit general-purpose timers configurable as independent 32-bit timers.
- VelociTI.2 Extensions: Enhancements to the VelociTI™ VLIW architecture, including increased orthogonality and additional instructions for complex multiplies.
Applications
- Telecom: Suitable for telecommunications applications requiring high-performance signal processing.
- Audio: Ideal for audio processing and multimedia applications due to its advanced audio interfaces like McASP0.
- Industrial Applications: Used in various industrial control and automation systems that require robust and high-performance signal processing.
Q & A
- What is the maximum clock rate of the TMS320C6421ZDU4?
The maximum clock rate is up to 600 MHz.
- How many instructions can the C64x+ DSP core execute per cycle?
The C64x+ DSP core can execute eight 32-Bit instructions per cycle.
- What types of external memory interfaces does the TMS320C6421ZDU4 support?
It supports 16-Bit DDR2 SDRAM and asynchronous 8-Bit-Wide EMIF (EMIFA).
- What is the endianess support of the TMS320C6421ZDU4?
It supports both little endian and big endian.
- What are the key peripherals included in the TMS320C6421ZDU4?
Key peripherals include a 10/100 Mb/s Ethernet MAC, I2C Bus interface, McBSP0, McASP0, and more.
- How many general-purpose timers does the TMS320C6421ZDU4 have?
It has two 64-bit general-purpose timers, each configurable as two independent 32-bit timers.
- What is the operating temperature range of the TMS320C6421ZDU4?
The operating temperature range is 0 to 90°C.
- What is the package type and pin count of the TMS320C6421ZDU4?
It comes in a 376-Pin Plastic BGA Package (ZDU Suffix) with a 1.0-mm ball pitch.
- Does the TMS320C6421ZDU4 support power-saving modes?
Yes, it supports individual power-saving modes and flexible PLL clock generators.
- What are the typical applications of the TMS320C6421ZDU4?
Typical applications include telecom, audio processing, and industrial control systems.
