Overview
The TMS320C40, produced by Texas Instruments, is a high-performance floating-point digital signal processor (DSP) designed primarily for parallel processing. It is part of the fourth generation of DSPs from Texas Instruments and is manufactured using 0.72-um, double-level metal CMOS technology. This DSP is renowned for its ability to handle massive concurrent input/output operations, maximizing sustained CPU performance.
Key Specifications
| Parameter | Description |
|---|---|
| Instruction Cycle Time | 33 ns (TMS320C40-60), 40 ns (TMS320C40-50), 50 ns (TMS320C40-40) |
| Performance | 330 MOPS, 60 MFLOPS, 30 MIPS (TMS320C40-60) |
| Data Transfer Rate | 384 M Bytes/s (TMS320C40-60) |
| Communications Ports | Six communications ports |
| DMA Coprocessor | Six-channel direct memory access (DMA) coprocessor |
| Registers | Twelve 40-bit registers, eight auxiliary registers, 14 control registers, and two timers |
| Memory | 16 G-Byte continuous program/data/peripheral address space |
| Cache and RAM | 512-byte instruction cache, 8K bytes of single-cycle dual-access program or data RAM |
| Power Supply | 5-V operation |
| Package | 325-pin ceramic grid array (GF suffix) |
Key Features
- Single-cycle conversion to and from IEEE-754 floating-point format
- Single-cycle 40-bit floating-point and 32-bit integer multipliers
- Source-code compatible with TMS320C3x
- Two identical external data and address buses supporting shared memory systems and high data-rate, single-cycle transfers
- High port-data rate of 120 M Bytes/s (each bus)
- Memory-access request for fast, intelligent bus arbitration
- On-chip program cache and dual-access/single-cycle RAM for increased memory-access performance
- ROM-based boot loader supports program bootup using 8-, 16-, or 32-bit memories or one of the communication ports
- IDLE2 clock-stop power-down mode
- IEEE 1149.1 (JTAG) boundary scan compatible
Applications
The TMS320C40 is suitable for a wide range of applications that require high-performance parallel processing, such as:
- Telecommunications and networking
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial automation and control
- High-performance computing and data processing
Q & A
- What is the primary use of the TMS320C40 DSP?
The TMS320C40 is designed primarily for parallel processing and high-performance floating-point operations. - What are the different instruction cycle times available for the TMS320C40?
The instruction cycle times are 33 ns (TMS320C40-60), 40 ns (TMS320C40-50), and 50 ns (TMS320C40-40). - How many communications ports does the TMS320C40 have?
The TMS320C40 has six communications ports. - What is the data transfer rate of the TMS320C40-60?
The data transfer rate is 384 M Bytes/s. - Is the TMS320C40 source-code compatible with other DSPs?
Yes, it is source-code compatible with the TMS320C3x series. - What is the memory address space of the TMS320C40?
The TMS320C40 has a 16 G-Byte continuous program/data/peripheral address space. - Does the TMS320C40 support boundary scan?
Yes, it is IEEE 1149.1 (JTAG) boundary scan compatible. - What is the power supply voltage for the TMS320C40?
The power supply voltage is 5 V. - What type of package does the TMS320C40 use?
The TMS320C40 uses a 325-pin ceramic grid array (GF suffix) package. - Does the TMS320C40 have on-chip cache and RAM?
Yes, it has a 512-byte instruction cache and 8K bytes of single-cycle dual-access program or data RAM.
