Overview
The TMS320C6421ZWT6 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 advanced very-long-instruction-word (VLIW) architecture, making it an excellent choice for various digital signal processing applications. With a clock rate of up to 600 MHz, the C6421 offers exceptional performance, achieving up to 5600 million instructions per second (MIPS) and supporting complex multiplies and other advanced instructions. The DSP is fully software-compatible with previous C64x devices and features a two-level cache-based memory architecture, enhancing its operational flexibility and numerical capabilities.
Key Specifications
| Feature | Specification |
|---|---|
| Clock Rate | 400-, 500-, 600-, 700-MHz C64x+ Clock Rate |
| Instruction Cycle Time | 2.5-, 2-, 1.67-, 1.43-ns |
| MIPS Performance | Up to 5600 MIPS |
| L1 Program Memory/Cache (L1P) | 128K-Bit (16K-Byte), configurable as mapped memory or direct mapped cache |
| L1 Data RAM/Cache (L1D) | 384K-Bit (48K-Byte), configurable as mapped memory or 2-way set-associative cache |
| L2 Unified RAM/Cache | 512K-Bit (64K-Byte), configurable as mapped memory or cache |
| General-Purpose Registers | 64 32-Bit General-Purpose Registers |
| Functional Units | Eight highly independent functional units, including two multipliers and six ALUs |
| Timers | Two 64-Bit General-Purpose Timers (each configurable as two 32-Bit Timers), one 64-Bit Watch Dog Timer |
| UART | One UART with RTS and CTS flow control |
| I2C Bus | Master/Slave Inter-Integrated Circuit (I2C Bus) |
| Memory Interfaces | 16-Bit DDR2 SDRAM Memory Controller, Asynchronous EMIF (EMIFA) for NOR/NAND Flash |
| Package | 361-Pin Pb-Free PBGA Package (ZWT Suffix), 0.8-mm Ball Pitch |
| Operating Temperature Range | 0 to 90°C |
Key Features
- High-performance fixed-point DSP with up to 600 MHz clock rate and 5600 MIPS performance.
- C64x+ VLIW architecture with eight highly independent functional units, including two multipliers and six ALUs.
- Two-level cache-based memory architecture with flexible allocation of L1P, L1D, and L2 memory.
- Support for both little-endian and big-endian byte order.
- Instruction packing reduces code size, and all instructions are conditional.
- Protected mode operation and exceptions support for error detection and program redirection.
- Hardware support for modulo loop auto-focus module operation.
- On-chip peripherals include UART, I2C Bus, McBSP0, McASP0, timers, and PWM outputs.
- 10/100 Mb/s Ethernet MAC (EMAC) with MDIO module and IEEE 802.3 compliance.
- VLYNQ interface for FPGA interaction and individual power-saving modes.
- IEEE-1149.1 (JTAG) boundary-scan-compatible and up to 111 general-purpose I/O (GPIO) pins.
Applications
- Telecom: Supports telecom interfaces such as ST-Bus and H-100, and has features like multichannel audio serial ports and telecom-specific timers.
- Audio: Includes multichannel audio serial port (McASP0), AC97 audio codec interface, and standard voice codec interface (AIC12).
- Industrial Applications: Suitable for various industrial tasks due to its high-performance processing capabilities and extensive peripheral set.
Q & A
- What is the maximum clock rate of the TMS320C6421ZWT6?
The maximum clock rate is 600 MHz.
- How many MIPS can the TMS320C6421ZWT6 achieve?
Up to 5600 MIPS.
- What is the architecture of the L1 and L2 memory in the TMS320C6421ZWT6?
The device features a two-level cache-based memory architecture with 128K-Bit L1P, 384K-Bit L1D, and 512K-Bit L2 unified memory.
- What types of timers are available on the TMS320C6421ZWT6?
Two 64-Bit General-Purpose Timers (each configurable as two 32-Bit Timers) and one 64-Bit Watch Dog Timer.
- Does the TMS320C6421ZWT6 support Ethernet?
Yes, it includes a 10/100 Mb/s Ethernet MAC (EMAC) with MDIO module and IEEE 802.3 compliance.
- What is the package type and pin count of the TMS320C6421ZWT6?
361-Pin Pb-Free PBGA Package (ZWT Suffix) with 0.8-mm ball pitch.
- What are the operating voltage levels for the TMS320C6421ZWT6?
3.3-V and 1.8-V I/O, 1.2-V internal.
- Does the TMS320C6421ZWT6 support power-saving modes?
Yes, it includes individual power-saving modes.
- What is the process technology used in the TMS320C6421ZWT6?
0.09-µm/6-Level Cu Metal Process (CMOS).
- Is the TMS320C6421ZWT6 compatible with previous C64x devices?
Yes, it is fully software-compatible with previous C64x devices.
