Overview
The TMS320C6421ZWT5 is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C64x+ DSP family. This device is based on the third-generation VelociTI very-long-instruction-word (VLIW) architecture, making it an excellent choice for various digital signal processing applications. The C6421 offers high-speed processing capabilities, extensive on-chip memory, and a wide range of peripherals, making it suitable for telecom, audio, and industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| Clock Rate | 400-, 500-, 600-, 700-MHz |
| Instruction Cycle Time | 2.5-, 2-, 1.67-, 1.43- ns |
| MIPS Performance | Up to 5600 MIPS |
| L1 Program Memory/Cache | 128K-Bit (16K-Byte), flexible allocation |
| L1 Data RAM/Cache | 384K-Bit (48K-Byte), flexible allocation |
| L2 Unified RAM/Cache | 512K-Bit (64K-Byte), flexible allocation |
| External Memory Interfaces | DDR2 SDRAM, Asynchronous EMIF (EMIFA), NOR/NAND Flash |
| Package Type | 361-Pin Pb-Free PBGA (ZWT), 376-Pin Plastic BGA (ZDU) |
| 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 |
Key Features
- Eight highly independent functional units with VelociTI.2 extensions
- Six ALUs (32-/40-Bit) and two multipliers supporting multiple arithmetic operations per clock cycle
- Enhanced Direct-Memory-Access (EDMA) controller with 64 independent channels
- 10/100 Mb/s Ethernet MAC (EMAC) with MDIO module
- Inter-Integrated Circuit (I2C) Bus interface, UART, and multichannel buffered serial port (McBSP0)
- Multichannel audio serial port (McASP0) with 4 serializers and SPDIF (DIT) mode
- Three pulse width modulator (PWM) outputs and up to 111 general-purpose I/O (GPIO) pins
- Support for DDR2 SDRAM, NOR, and NAND flash memory interfaces
- Individual power-savings modes and flexible PLL clock generators
Applications
- Telecom: Suitable for high-performance telecom applications due to its advanced DSP capabilities.
- Audio: Ideal for audio processing tasks with its multichannel audio serial port and support for AC97 audio codec interface.
- Industrial Applications: Used in various industrial applications requiring high-speed processing and extensive peripheral support.
Q & A
- What is the maximum clock rate of the TMS320C6421ZWT5?
The maximum clock rate is 700 MHz. - How many MIPS can the TMS320C6421ZWT5 achieve?
It can achieve up to 5600 MIPS. - What types of external memory interfaces does the TMS320C6421ZWT5 support?
It supports DDR2 SDRAM, asynchronous EMIF (EMIFA), and NOR/NAND flash memory interfaces. - What is the package type of the TMS320C6421ZWT5?
The package types are 361-Pin Pb-Free PBGA (ZWT) and 376-Pin Plastic BGA (ZDU). - What is the process technology used in the TMS320C6421ZWT5?
The process technology is 0.09-µm/6-Level Cu Metal Process (CMOS). - Does the TMS320C6421ZWT5 support Ethernet?
Yes, it supports a 10/100 Mb/s Ethernet MAC (EMAC) with a management data input/output (MDIO) module. - What is the purpose of the EDMA controller in the TMS320C6421ZWT5?
The EDMA controller provides enhanced direct memory access with 64 independent channels. - Can the TMS320C6421ZWT5 be used in low-power applications?
Yes, it has individual power-savings modes and flexible PLL clock generators to support low-power operation. - What types of timers are available on the TMS320C6421ZWT5?
It includes two 64-bit general-purpose timers, each configurable as two 32-bit timers, and a 64-bit watchdog timer. - Is the TMS320C6421ZWT5 backward compatible with previous C6000 DSPs?
Yes, it is upward code-compatible from previous devices in the C6000 DSP platform.
