Overview
The TMS320C54CSTGGU is a client-side telephony Digital Signal Processor (DSP) produced by Texas Instruments. This DSP is part of the TMS320C54x family, which is based on an advanced modified Harvard architecture. It features one program memory bus and three data memory buses, providing high parallelism and operational flexibility. The processor includes an arithmetic logic unit (ALU) with a high degree of parallelism, application-specific hardware logic, on-chip memory, and various on-chip peripherals. This architecture enables simultaneous access to program instructions and data, enhancing the processor's speed and efficiency.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | 144-Pin Ball Grid Array (BGA) (GGU Suffix) |
| On-Chip ROM | 128K × 16-Bit Configured for Program Memory |
| On-Chip RAM | 40K x 16-Bit Composed of Five Blocks of 8K × 16-Bit Dual-Access Program/Data RAM |
| ALU | 40-Bit Arithmetic Logic Unit (ALU) Including a 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators |
| Multiplier | 17- × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle Multiply/Accumulate (MAC) Operation |
| Instruction Execution Time | 8.33-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) |
| Supply Voltage | 3.3-V I/O Supply Voltage, 1.5-V Core Supply Voltage |
| On-Chip Peripherals | Two 16-Bit Timers, Six-Channel Direct Memory Access (DMA) Controller, Two Multichannel Buffered Serial Ports (McBSPs), Universal Asynchronous Receiver/Transmitter (UART) |
| Power Consumption Control | IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes |
Key Features
- Advanced Multibus Architecture: Three separate 16-bit data memory buses and one program memory bus.
- Highly Specialized Instruction Set: Enables operational flexibility and speed.
- On-Chip ROM and RAM: 128K × 16-Bit ROM and 40K x 16-Bit RAM.
- CST Software in ROM: Includes data transfer, telephony signals processing, and voice processing algorithms.
- Configurable Modes: Chipset Mode and Flex Mode for code execution from RAM, ROM, or external sources.
- On-Chip Peripherals: Includes timers, DMA controller, McBSPs, UART, and integrated DAA module.
- Power Management: IDLE1, IDLE2, and IDLE3 instructions for power-down modes.
- Programmable PLL Clock Generator: With external clock source.
- Enhanced External Parallel Interface (XIO2): For improved data transfer.
Applications
The TMS320C54CSTGGU is primarily designed for client-side telephony applications. It is suitable for:
- Telephony Systems: Supports DTMF, CPTD, Caller ID, and other telephony signals processing.
- Data Modems: Up to V.32BIS 14400 bps.
- Voice Processing: Includes echo canceller, G726, VAD, CNG, AGC.
- Embedded Systems: Can be used in various embedded systems requiring high-performance DSP capabilities.
Q & A
- What is the TMS320C54CSTGGU used for?
The TMS320C54CSTGGU is used for client-side telephony and data modem applications, including voice processing and other telephony-related functions.
- What type of architecture does the TMS320C54CSTGGU use?
The TMS320C54CSTGGU uses an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the size of the on-chip ROM and RAM?
The on-chip ROM is 128K × 16-Bit, and the on-chip RAM is 40K x 16-Bit composed of five blocks of 8K × 16-Bit dual-access program/data RAM.
- What is the instruction execution time of the TMS320C54CSTGGU?
The instruction execution time is 8.33-ns for single-cycle fixed-point instructions, achieving 120 MIPS.
- What are the supply voltages for the TMS320C54CSTGGU?
The I/O supply voltage is 3.3V, and the core supply voltage is 1.5V.
- What on-chip peripherals are available on the TMS320C54CSTGGU?
The processor includes two 16-bit timers, a six-channel DMA controller, two McBSPs, a UART, and an integrated DAA module.
- Does the TMS320C54CSTGGU support power management features?
- What is the package type of the TMS320C54CSTGGU?
The package type is a 144-Pin Ball Grid Array (BGA) with the GGU suffix.
- Can the TMS320C54CSTGGU be configured in different modes?
- What kind of software is included in the ROM of the TMS320C54CSTGGU?
The ROM includes CST software for data transfer, telephony signals processing, and voice processing algorithms.
