Overview
The TMS320C541PZ1-40 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x family. This processor is designed for high-performance signal processing applications, particularly in client-side telephony and data modem systems. It features an advanced modified Harvard architecture with multiple data memory buses and a program memory bus, enabling high degrees of parallelism and efficient execution of complex signal processing tasks.
Key Specifications
| Parameter | Specification |
|---|---|
| On-Chip ROM | 128K × 16-Bit configured for program memory |
| On-Chip RAM | 40K × 16-Bit composed of five blocks of 8K × 16-Bit dual-access program/data RAM |
| Arithmetic Logic Unit (ALU) | 40-Bit ALU with 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 MAC operation |
| Instruction Execution Time | 8.33-ns single-cycle fixed-point instruction execution time (120 MIPS) |
| Supply Voltages | 3.3-V I/O supply voltage, 1.5-V core supply voltage |
| Package Options | 144-Pin Ball Grid Array (BGA), 144-Pin Low-Profile Quad Flatpack (LQFP) |
| On-Chip Peripherals | Two 16-Bit timers, six-channel DMA controller, two McBSPs, 8/16-Bit enhanced parallel host-port interface (HPI8/16), UART with integrated baud rate generator |
Key Features
- Advanced multibus architecture with three separate 16-Bit data memory buses and one program memory bus
- Arithmetic instructions with parallel store and parallel load
- Conditional store instructions and fast return from interrupt
- On-chip programmable phase-locked loop (PLL) clock generator with external clock source
- Software-programmable wait-state generator and programmable bank-switching
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes
- On-chip scan-based emulation logic, IEEE Std 1149.1 (JTAG) boundary scan logic
- Integrated direct access arrangement (DAA) module and universal asynchronous receiver/transmitter (UART)
Applications
The TMS320C541PZ1-40 is primarily used in client-side telephony and data modem applications. It supports various telephony algorithms and voice processing functions such as DTMF, CPTD, Caller ID, echo cancellation, and voice compression (G726). The processor is also suitable for other signal processing tasks that require high performance and low power consumption.
Q & A
- What is the primary application of the TMS320C541PZ1-40?
The primary application is in client-side telephony and data modem systems.
- What is the architecture of the TMS320C541PZ1-40?
It features an advanced modified Harvard architecture with multiple data memory buses and a program memory bus.
- What is the capacity of the on-chip ROM and RAM?
The on-chip ROM is 128K × 16-Bit, and the on-chip RAM is 40K × 16-Bit composed of five blocks of 8K × 16-Bit dual-access program/data RAM.
- What is the instruction execution time of the TMS320C541PZ1-40?
The instruction execution time is 8.33-ns for single-cycle fixed-point instructions, achieving 120 MIPS.
- What are the supply voltages for the TMS320C541PZ1-40?
The I/O supply voltage is 3.3V, and the core supply voltage is 1.5V.
- What on-chip peripherals are available?
It includes two 16-Bit timers, a six-channel DMA controller, two McBSPs, an 8/16-Bit enhanced parallel host-port interface (HPI8/16), and a UART with an integrated baud rate generator.
- Does the TMS320C541PZ1-40 support power management features?
Yes, it supports power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- What is the package type for the TMS320C541PZ1-40?
It is available in 144-Pin Ball Grid Array (BGA) and 144-Pin Low-Profile Quad Flatpack (LQFP) packages.
- Does the TMS320C541PZ1-40 have any specific software support?
It contains CST software in ROM for telephony and data transfer functions.
- Is the TMS320C541PZ1-40 still supported by Texas Instruments for new projects?
No, it does not have ongoing design support from TI for new projects.
