Cypress CE225786 Manual Download Page 7

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PSoC 6 MCU: USB Audio Recorder

Document Number: 002-25786 Rev. **

Figure 8. PLL Configuration

Figure 9 shows the high-frequency clock settings.

Figure 9. High-Frequency Clocks Configuration

KIT_UART uses the default configuration for UART.

The following middleware libraries are used in this project:

▪

FreeRTOS v10.0.1

▪

Retarget I/O

▪

USB Device

If you want to explore middleware, right-click the

CE225786_mainapp

folder in the project explorer window and select

ModusToolbox Middleware Selector

Summary of Contents for CE225786

Page 1: ...e PDM data line One microphone samples in the falling edge and the other in the rising edge This code example uses FreeRTOS Visit the FreeRTOS website for documentation and API references of FreeRTOS...

Page 2: ...red to the USB data endpoint buffer Figure 2 shows the overall transfers performed by the application Figure 2 Overall Transfers PDM PCM RX FIFO SRAM PCM Buffer USB Data Endpoint Buffer DMA Transfers...

Page 3: ...er an entire audio frame per trigger It triggers when there is enough data in the PDM PCM FIFO Once it completes a transfer it disables itself it is enabled again only when the Audio IN Endpoint Callb...

Page 4: ...Table 1 lists the ModusToolbox resources used in this example and how they are used in the design For pin usage and configuration open the Pins tab of the design modus file Table 1 ModusToolbox Resou...

Page 5: ...PSoC 6 MCU USB Audio Recorder www cypress com Document Number 002 25786 Rev 5 Figure 5 USBFS Configuration...

Page 6: ...hows the configuration settings for DMA_PCM Figure 6 DMA_PCM Configuration Figure 8 and Figure 8 show the platform system clock configuration Note that the FLL and PLL are used in this application The...

Page 7: ...ings Figure 9 High Frequency Clocks Configuration KIT_UART uses the default configuration for UART The following middleware libraries are used in this project FreeRTOS v10 0 1 Retarget I O USB Device...

Page 8: ...PSoC 6 MCU devices and how to build your first PSoC project AN215656 PSoC 6 MCU Dual Core CPU System Design Describes the dual CPU architecture in the PSoC 6 MCU and shows how to build a simple dual C...

Page 9: ...com Document Number 002 25786 Rev 9 Document History Document Title CE225786 PSoC 6 MCU USB Audio Recorder Document Number 002 25786 Revision ECN Orig of Change Submission Date Description of Change...

Page 10: ...of the Software is prohibited TO THE EXTENT PERMITTED BY APPLICABLE LAW CYPRESS MAKES NO WARRANTY OF ANY KIND EXPRESS OR IMPLIED WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE OR ACCOMPANYING HARDWARE I...