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AN3548
| Title |
Title
Audio Recording and Playback Using Direct Memory Access and Core Independent Peripherals
|
|---|---|
| Name |
Name
AN3548
|
| Date |
Date
10/06/2020
|
| Description |
Description
This application note describes how to record, store and playback a mono audio sound using Direct Memory Access (DMA) and various Core Independent Peripherals (CIP) present on the newer PIC18 devices. One of the key challenges today is to ensure there is a fast and reliable method of data transfer between memories, both on-chip and external, that doesn't affect the throughput of the system CPU. In this application, multiple DMA channels are used to transfer data between RAM and Flash memory. This allows for higher data transfer speed and ease of use while freeing the CPU to perform other tasks. The typical applications for use are data loggers, answering machines, voice recorders and toys.
|
Silicon Products
| Title | Product | Title |
|---|---|---|
|
PIC18F56Q71
Differential ADC, Integrated Op Amps
|
PIC18F56Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F26Q43
Versatile MCUs with Hardware Customization
|
PIC18F26Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F46Q71
Differential ADC, Integrated Op Amps
|
PIC18F46Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F26Q71
Differential ADC, Integrated Op Amps
|
PIC18F26Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F47Q43
Versatile MCUs with Hardware Customization
|
PIC18F47Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F44Q71
Differential ADC, Integrated Op Amps
|
PIC18F44Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F54Q71
Differential ADC, Integrated Op Amps
|
PIC18F54Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F45Q43
Versatile MCUs with Hardware Customization
|
PIC18F45Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F55Q71
Differential ADC, Integrated Op Amps
|
PIC18F55Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F45Q71
Differential ADC, Integrated Op Amps
|
PIC18F45Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F46Q43
Versatile MCUs with Hardware Customization
|
PIC18F46Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F25Q43
Versatile MCUs with Hardware Customization
|
PIC18F25Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F24Q71
Differential ADC, Integrated Op Amps
|
PIC18F24Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F27Q43
Versatile MCUs with Hardware Customization
|
PIC18F27Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F57Q43
Versatile MCUs with Hardware Customization
|
PIC18F57Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F55Q43
Versatile MCUs with Hardware Customization
|
PIC18F55Q43 | Versatile MCUs with Hardware Customization |
|
PIC18F25Q71
Differential ADC, Integrated Op Amps
|
PIC18F25Q71 | Differential ADC, Integrated Op Amps |
|
PIC18F56Q43
Versatile MCUs with Hardware Customization
|
PIC18F56Q43 | Versatile MCUs with Hardware Customization |