Overview
The TMS320C5515AZCH12 is a high-performance, low-power fixed-point Digital Signal Processor (DSP) from Texas Instruments, part of the TMS320C5000™ product family. This DSP is based on the TMS320C55x™ DSP generation CPU processor core, designed to achieve high performance and low power consumption through increased parallelism and a focus on power savings. The device is particularly suited for low-power applications and is software-compatible with other C55x devices, ensuring ease of integration and development.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 16.67, 13.33, 10, 8.33 ns |
| Clock Rate | 60, 75, 100, 120 MHz |
| Instructions per Cycle | One/Two instructions executed per cycle |
| Multiply-Accumulates per Second (MMACS) | Up to 200 or 240 million MMACS |
| Arithmetic/Logic Units (ALUs) | Two ALUs, including a central 40-bit ALU and an additional 16-bit ALU |
| Internal Data/Operand Buses | Three internal data/operand read buses and two internal data/operand write buses |
| On-Chip RAM | 320K bytes zero-wait state on-chip RAM (64K bytes DARAM, 256K bytes SARAM) |
| On-Chip ROM | 128K bytes zero-wait state on-chip ROM |
| External Memory Interface (EMIF) | 16-/8-bit EMIF with glueless interface to NAND Flash, NOR Flash, SRAM, SDRAM/mSDRAM |
| DMA Controllers | Four DMA controllers, each with 4 channels (16 channels total) |
| General-Purpose Timers | Three 32-bit general-purpose timers, one selectable as a watchdog and/or GP timer |
| USB Interface | USB 2.0 full- and high-speed device mode with integrated 2.0 high-speed PHY |
| ADC | 10-bit 4-input Successive Approximation (SAR) ADC |
| Power Supply Domains | Four core isolated power supply domains: Analog, RTC, CPU and Peripherals, and USB |
| Package | 196-terminal Pb-Free Plastic BGA (Ball Grid Array) (ZCH Suffix) |
Key Features
- High-performance, low-power C55x™ fixed-point DSP
- Dual multipliers with up to 200 or 240 million multiply-accumulates per second (MMACS)
- Two Arithmetic/Logic Units (ALUs)
- Three internal data/operand read buses and two internal data/operand write buses
- Software-compatible with C55x devices
- Industrial temperature devices available
- 320K bytes zero-wait state on-chip RAM and 128K bytes zero-wait state on-chip ROM
- 16-/8-bit external memory interface (EMIF) with glueless access to various memory types
- Four DMA controllers with 16 channels total
- Three 32-bit general-purpose timers, one configurable as a watchdog timer
- USB 2.0 full- and high-speed device mode with integrated 2.0 high-speed PHY
- LCD bridge with asynchronous interface
- Tightly-coupled FFT hardware accelerator
- 10-bit 4-input Successive Approximation (SAR) ADC
- Real-Time Clock (RTC) with crystal input and separate clock domain and power supply
- Four core isolated power supply domains and three integrated LDOs
Applications
- Portable ultrasound devices
- Automatic external defibrillators (AEDs)
- Electrocardiogram (ECG) devices
- Digital stethoscopes
- Cochlear implants
- Wireless audio devices (headsets, microphones, speakerphones)
- Echo cancellation headphones
- Portable medical devices
- Voice applications
- Industrial controls
- Fingerprint biometrics
- Software Defined Radio (SDR)
Q & A
- What is the TMS320C5515AZCH12?
The TMS320C5515AZCH12 is a high-performance, low-power fixed-point Digital Signal Processor (DSP) from Texas Instruments.
- What is the clock rate of the TMS320C5515AZCH12?
The clock rate of the TMS320C5515AZCH12 can be 60, 75, 100, or 120 MHz.
- How much on-chip RAM does the TMS320C5515AZCH12 have?
The TMS320C5515AZCH12 has 320K bytes of zero-wait state on-chip RAM, composed of 64K bytes of DARAM and 256K bytes of SARAM.
- What types of external memory does the TMS320C5515AZCH12 support?
The TMS320C5515AZCH12 supports 16-/8-bit external memory interface (EMIF) with glueless access to NAND Flash, NOR Flash, SRAM, SDRAM/mSDRAM.
- Does the TMS320C5515AZCH12 have USB capabilities?
Yes, the TMS320C5515AZCH12 has a USB 2.0 full- and high-speed device mode with an integrated 2.0 high-speed PHY.
- What is the purpose of the FFT hardware accelerator in the TMS320C5515AZCH12?
The FFT hardware accelerator in the TMS320C5515AZCH12 is designed to enhance the performance of Fast Fourier Transform operations, which are critical in many signal processing applications.
- How many general-purpose timers does the TMS320C5515AZCH12 have?
The TMS320C5515AZCH12 has three 32-bit general-purpose timers, one of which can be configured as a watchdog timer.
- What types of power supply domains does the TMS320C5515AZCH12 have?
The TMS320C5515AZCH12 has four core isolated power supply domains: Analog, RTC, CPU and Peripherals, and USB, along with three integrated LDOs.
- What is the package type of the TMS320C5515AZCH12?
The TMS320C5515AZCH12 is packaged in a 196-terminal Pb-Free Plastic BGA (Ball Grid Array) (ZCH Suffix).
- What are some common applications of the TMS320C5515AZCH12?
The TMS320C5515AZCH12 is used in various applications including portable ultrasound devices, automatic external defibrillators, digital stethoscopes, and wireless audio devices.
- Is the TMS320C5515AZCH12 supported by any development tools?
Yes, the TMS320C5515AZCH12 is supported by Texas Instruments’ eXpressDSP, Code Composer Studio IDE, DSP/BIOS, and the C55x DSP Library.
