Overview
The TMS320C5545AZQW10R is a fixed-point Digital Signal Processor (DSP) from Texas Instruments, part of the C5000™ DSP product family. Although this specific part is no longer manufactured, it was designed for low-power applications and offers a range of features that make it suitable for various signal processing tasks.
This DSP is known for its high-performance, low-power consumption, and extensive peripheral set, making it a versatile choice for several industrial and consumer applications.
Key Specifications
| Specification | Details |
|---|---|
| CPU Frequency | 50 MHz (1.05 V core), 100 MHz (1.3 V core) |
| Cycle Time | 20 ns (1.05 V core), 10 ns (1.3 V core) |
| Core Voltage | 1.05 V, 1.3 V |
| I/O Voltage | 1.8 V, 2.5 V, 2.75 V, 3.3 V |
| On-Chip Memory | 320 KB RAM, 128 KB ROM (including 64 KB DARAM and 256 KB SARAM) |
| Package Type | 144-Terminal Pb-Free Plastic BGA (Ball Grid Array) |
| Package Size | 12.0 mm x 12.0 mm |
| Peripheral Interfaces | USB 2.0, I2S, SPI, I2C, UART, SD/eMMC, RTC, and more |
Key Features
- High-performance, low-power fixed-point DSP with dual multiply-and-accumulate units (up to 200 million multiply-accumulates per second)
- Four Inter-IC Sound (I2S) buses for data transport
- USB 2.0 full- and high-speed device mode
- Real-time clock (RTC) with crystal input and separate clock domain and power supply
- Three 32-bit general-purpose timers, one configurable as a watchdog timer
- Tightly coupled FFT hardware accelerator supporting 8- to 1024-point FFTs
- Four DMA controllers each with four channels
- 32 general-purpose I/O (GPIO) pins, with up to 20 pins configurable simultaneously
- Integrated LDOs for isolated power supply domains
Applications
- Wireless audio devices (headsets, microphones, speakerphones)
- Voice applications and echo cancellation headphones
- Industrial controls
- Media interfaces and serial media applications
Q & A
- What is the TMS320C5545AZQW10R?
The TMS320C5545AZQW10R is a fixed-point Digital Signal Processor (DSP) from Texas Instruments, part of the C5000™ DSP product family.
- What are the CPU frequencies available for this DSP?
The CPU frequencies available are 50 MHz (1.05 V core) and 100 MHz (1.3 V core).
- What types of memory are available on this DSP?
The DSP includes 320 KB of RAM, 128 KB of ROM, with specific allocations to DARAM and SARAM.
- What peripheral interfaces does this DSP support?
The DSP supports USB 2.0, I2S, SPI, I2C, UART, SD/eMMC, and RTC among others.
- Is the TMS320C5545AZQW10R still in production?
No, this product is no longer manufactured.
- What is the package type and size of this DSP?
The package type is a 144-Terminal Pb-Free Plastic BGA (Ball Grid Array), with a size of 12.0 mm x 12.0 mm.
- Does the DSP have any integrated power management features?
Yes, it includes integrated LDOs for isolated power supply domains.
- What is the purpose of the FFT hardware accelerator in this DSP?
The FFT hardware accelerator supports 8- to 1024-point real and complex-valued FFTs.
- Can the GPIO pins be configured?
Yes, up to 20 GPIO pins can be configured simultaneously.
- What are some common applications for this DSP?
Common applications include wireless audio devices, voice applications, industrial controls, and media interfaces.
