Overview
The TMS320BC51PQ is a 16-bit digital signal processor (DSP) from Texas Instruments, part of the TMS320C5x generation. This DSP is fabricated using static CMOS integrated circuit technology and is based on the architectural design of earlier TI DSPs, such as the TMS320C25. The TMS320BC51PQ offers enhanced performance and versatility, making it suitable for a wide range of applications in digital signal processing.
Key Specifications
| Specification | Details |
|---|---|
| Processor Type | 16-bit Digital Signal Processor |
| Instruction Execution Time | 20-, 25-, 35-, and 50-ns for 5-V operation; 25-, 40-, and 50-ns for 3-V operation |
| Memory | 1K, 3K, 6K, 9K × 16-Bit On-Chip Program/Data RAM (SARAM); 1K Dual-Access On-Chip Program/Data RAM (DARAM); 2K, 4K, 8K, 16K, 32K × 16-Bit On-Chip Program ROM |
| External Memory | 224K × 16-Bit Maximum Addressable External Memory Space (64K Program, 64K Data, 64K I/O, and 32K Global) |
| Peripherals | Full-Duplex Synchronous Serial Port, Time-Division-Multiplexed (TDM) Serial Port, On-Chip Timer, Host Port Interface, Multiple Phase-Locked Loop (PLL) Clocking Options |
| Power Consumption | 47 mA (2.35 mA/MIP) at 5 V, 40-MHz Clock (Average); 23 mA (1.15 mA/MIP) at 3 V, 40-MHz Clock (Average); 10 mA at 5 V, 40-MHz Clock (IDLE1 Mode); 3 mA at 5 V, 40-MHz Clock (IDLE2 Mode); 5 µA at 5 V, Clocks Off (IDLE2 Mode) |
| Packaging | 132-Pin Quad Flat Package (PQ Suffix) |
Key Features
- Advanced Harvard architecture for increased performance and versatility
- Single-Cycle 16 × 16-Bit Multiply/Add instruction
- On-chip peripherals including full-duplex synchronous serial port, TDM serial port, and on-chip timer
- Multiple Phase-Locked Loop (PLL) clocking options (×1, ×2, ×3, ×4, ×5, ×9 depending on device)
- Low power dissipation and power-down modes for energy efficiency
- IEEE Standard 1149.1 Test-Access Port (JTAG) for debugging and testing
- Upward-compatible source code with earlier TMS320 DSPs (C1x and C2x)
Applications
- Telecommunications: Suitable for multi-channel DTMF decoding, PBX systems, and other telecommunication applications
- Sound and Fax/Modem Applications: Can be used in PCMCIA media cards for sound and fax/modem operations
- Embedded Systems: Ideal for various embedded applications requiring high-performance digital signal processing
- Industrial Control: Can be used in industrial control systems due to its robust peripherals and low power consumption
Q & A
- What is the TMS320BC51PQ?
The TMS320BC51PQ is a 16-bit digital signal processor from Texas Instruments, part of the TMS320C5x generation.
- What are the key features of the TMS320BC51PQ?
Key features include advanced Harvard architecture, single-cycle 16 × 16-bit multiply/add instruction, on-chip peripherals, and multiple PLL clocking options.
- What are the power consumption modes of the TMS320BC51PQ?
The device has various power consumption modes including average, IDLE1, IDLE2, and clocks off, with consumption ranging from 5 µA to 47 mA depending on the mode and voltage.
- What types of memory does the TMS320BC51PQ support?
The device supports on-chip program/data RAM (SARAM and DARAM) and on-chip program ROM, as well as external memory up to 224K × 16-Bit.
- What packaging options are available for the TMS320BC51PQ?
The TMS320BC51PQ is available in a 132-Pin Quad Flat Package (PQ Suffix).
- Is the TMS320BC51PQ still in production?
No, the TMS320BC51PQ is obsolete and no longer in production by Texas Instruments.
- What are some common applications of the TMS320BC51PQ?
Common applications include telecommunications, sound and fax/modem applications, embedded systems, and industrial control systems.
- Does the TMS320BC51PQ support JTAG for debugging?
- Is the source code for the TMS320BC51PQ compatible with other TMS320 DSPs?
- What is the maximum instruction execution speed of the TMS320BC51PQ?
The device can execute instructions in as little as 20-ns for 5-V operation and 25-ns for 3-V operation.
