Overview
The TMS320C6421ZDU7 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. With a clock rate of up to 700 MHz, the C6421 offers up to 5600 million instructions per second (MIPS), making it an excellent choice for demanding digital signal processing applications.
The C6421 features a two-level cache-based memory architecture, including Level 1 program and data caches, and a Level 2 unified cache. It also includes a variety of peripherals such as Ethernet MAC, UART, I2C, McBSP, McASP, and DDR2 memory controllers, among others. The device is available in a 376-pin plastic BGA package and supports multiple power-saving modes and flexible PLL clock generators.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | C64x+™ DSP Core |
| Instruction Cycle Time | 2.5-, 2-, 1.67-, 1.43- ns |
| Clock Rate | 400-, 500-, 600-, 700-MHz |
| MIPS Performance | Up to 5600 MIPS |
| L1 Program Cache | 128K-Bit (16K-Byte), flexible allocation |
| L1 Data Cache | 384K-Bit (48K-Byte), flexible allocation |
| L2 Unified Cache | 512K-Bit (64K-Byte), flexible allocation |
| Memory Interfaces | DDR2 SDRAM, Asynchronous EMIF, NOR/NAND Flash |
| Package Type | 376-Pin Plastic BGA Package (ZDU Suffix) |
| Process Technology | 0.09-µm/6-Level Cu Metal Process (CMOS) |
| Supply Voltage | 3.3-V and 1.8-V I/O, 1.2-V Internal |
| General-Purpose Timers | Two 64-Bit, configurable as two 32-Bit timers each |
| Watchdog Timer | One 64-Bit |
| UART | One with RTS and CTS flow control |
| I2C Bus | Master/Slave |
| Ethernet MAC | 10/100 Mb/s, IEEE 802.3 Compliant |
Key Features
- High-Performance DSP Core: The C64x+™ DSP core offers up to 5600 MIPS at a clock rate of 700 MHz, with eight highly independent functional units and VelociTI.2™ extensions.
- Memory Architecture: Two-level cache-based architecture with Level 1 program and data caches, and a Level 2 unified cache.
- External Memory Interfaces: Supports DDR2 SDRAM, asynchronous EMIF, and NOR/NAND Flash memory.
- Peripherals: Includes Ethernet MAC, UART, I2C, McBSP, McASP, and general-purpose timers.
- Power Management: Individual power-saving modes and flexible PLL clock generators.
- Package Options: Available in 376-pin plastic BGA package.
- Instruction Set: Supports byte-addressable data, bit-field operations, and additional instructions for complex multiplies.
- GPIO and Connectivity: Up to 111 general-purpose I/O pins and various connectivity options including VLYNQ™ interface and SPI.
Applications
- Telecom: Suitable for high-performance telecom applications due to its advanced DSP capabilities and peripherals like Ethernet MAC and telecom interfaces.
- Audio: Ideal for audio processing with features such as multichannel audio serial port (McASP) and support for AC97 audio codec interface.
- Industrial Applications: Used in various industrial applications requiring high computational power and real-time processing.
Q & A
- What is the maximum clock rate of the TMS320C6421 DSP?
The maximum clock rate of the TMS320C6421 DSP is 700 MHz.
- What is the MIPS performance of the C6421 at its maximum clock rate?
The C6421 achieves up to 5600 MIPS at a clock rate of 700 MHz.
- What type of memory architecture does the C6421 use?
The C6421 uses a two-level cache-based memory architecture with Level 1 program and data caches, and a Level 2 unified cache.
- What are the key peripherals included in the C6421?
The key peripherals include Ethernet MAC, UART, I2C, McBSP, McASP, general-purpose timers, and watchdog timer.
- What is the package type and pin count of the C6421ZDU7?
The C6421ZDU7 is available in a 376-pin plastic BGA package.
- Does the C6421 support power-saving modes?
Yes, the C6421 supports individual power-saving modes and flexible PLL clock generators.
- What is the process technology used in the C6421?
The C6421 is fabricated using 0.09-µm/6-Level Cu Metal Process (CMOS) technology.
- What are the typical applications of the TMS320C6421?
The typical applications include telecom, audio processing, and various industrial applications.
- Does the C6421 support DDR2 SDRAM?
Yes, the C6421 supports DDR2 SDRAM with a 16-bit bus width.
- How many general-purpose I/O pins does the C6421 have?
The C6421 has up to 111 general-purpose I/O pins.
