DSP56858VF120 datasheet by Freescale Semiconductor

DSP56858VF120 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the DSP56858VF120?
  The maximum clock frequency for the DSP56858VF120 is 120 MHz, as indicated by the '120' in the part number. However, the actual clock frequency used may be limited by the specific application and system design.
• How do I optimize the power consumption of the DSP56858VF120?
  To optimize power consumption, use the low-power modes (e.g., idle, sleep, and deep sleep) provided by the DSP. Additionally, optimize the clock frequency, voltage, and peripheral usage to minimize power consumption. Refer to the datasheet and application notes for more information.
• Can I use the DSP56858VF120 for audio processing applications?
  Yes, the DSP56858VF120 is well-suited for audio processing applications due to its high-performance DSP core, dedicated audio peripherals (e.g., SAI, I2S), and low power consumption. It is commonly used in audio applications such as audio codecs, audio effects, and voice processing.
• How do I interface the DSP56858VF120 with external memory?
  The DSP56858VF120 has an external memory interface (EMI) that allows connection to external memory devices such as SDRAM, SRAM, and flash. The EMI supports various memory configurations and protocols, including DDR, SDR, and asynchronous modes. Refer to the datasheet and application notes for specific interface and configuration details.
• What is the maximum amount of internal memory available on the DSP56858VF120?
  The DSP56858VF120 has 568 KB of internal memory, which includes 512 KB of program flash, 32 KB of data flash, and 24 KB of SRAM.