Overview
The TMS320C6421ZWTQ5 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 C64x+ core, which utilizes the advanced VelociTI very-long-instruction-word (VLIW) architecture. The C6421 is designed to deliver exceptional performance, making it an excellent choice for various digital signal processing applications.
With a clock rate of up to 700 MHz, the C6421 achieves performance of up to 5600 million instructions per second (MIPS) and supports a wide range of functionalities, including telecom, audio, and industrial applications. The device features a two-level cache-based memory architecture, extensive peripheral set, and low-power operation modes.
Key Specifications
| Feature | Specification |
|---|---|
| Instruction Cycle Time | 2.5 ns, 2 ns, 1.67 ns, 1.43 ns |
| Clock Rate | 400 MHz, 500 MHz, 600 MHz, 700 MHz |
| 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 |
| Functional Units | Eight highly independent functional units, including six ALUs and two multipliers |
| Endianess | Supports both little endian and big endian |
| External Memory Interfaces | DDR2 SDRAM, asynchronous EMIF (EMIFA), NOR and NAND flash |
| Package Type | 361-pin Pb-free PBGA package (ZWT suffix), 0.8-mm ball pitch |
| Supply Voltage | 3.3-V and 1.8-V I/O, 1.2-V internal |
Key Features
- High-performance digital signal processor with up to 5600 MIPS at 700 MHz clock rate
- C64x+ DSP core with eight highly independent functional units, including six ALUs and two multipliers
- Two-level cache-based memory architecture with L1P, L1D, and L2 memory
- Support for DDR2 SDRAM, asynchronous EMIF (EMIFA), NOR, and NAND flash memory
- Enhanced Direct Memory Access (EDMA) controller with 64 independent channels
- Peripheral set includes 10/100 Mb/s Ethernet MAC (EMAC), UART, I2C, McBSP, McASP, and more
- Individual power-saving modes and flexible PLL clock generators
- Up to 111 general-purpose I/O (GPIO) pins with programmable interrupt/event generation modes
- IEEE-1149.1 (JTAG) boundary-scan-compatible and protected mode operation
Applications
- Telecom: Supports high-speed data processing and communication protocols
- Audio: Ideal for audio processing, encoding, and decoding applications
- Industrial Applications: Suitable for control systems, data acquisition, and other industrial automation tasks
- Other applications include multimedia, medical devices, and automotive systems
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 L1P, L1D, and L2 memory.
- What are the key functional units in the C64x+ DSP core?
The C64x+ DSP core includes eight highly independent functional units, including six ALUs and two multipliers.
- Does the C6421 support both little and big endian?
Yes, the C6421 supports both little endian and big endian.
- What types of external memory interfaces are supported by the C6421?
The C6421 supports DDR2 SDRAM, asynchronous EMIF (EMIFA), NOR, and NAND flash memory.
- What is the package type for the TMS320C6421ZWTQ5?
The package type is a 361-pin Pb-free PBGA package (ZWT suffix) with a 0.8-mm ball pitch.
- What are some of the key peripherals included in the C6421?
The key peripherals include a 10/100 Mb/s Ethernet MAC (EMAC), UART, I2C, McBSP, McASP, and more.
- Does the C6421 have power-saving features?
Yes, the C6421 has individual power-saving modes and flexible PLL clock generators.
- How many general-purpose I/O (GPIO) pins does the C6421 have?
The C6421 has up to 111 general-purpose I/O (GPIO) pins with programmable interrupt/event generation modes.
