© 2006-2012 Microchip Technology Inc. DS70183D-page 16-1
Analog-to-Digital
Converter (ADC)
16
Section 16. Analog-to-Digital Converter (ADC)
HIGHLIGHTS
This section of the manual contains the following major topics:
16.1 Introduction .................................................................................................................. 16-2
16.2 Control Registers ......................................................................................................... 16-6
16.3 Overview of Sample and Conversion Sequence ....................................................... 16-17
16.4 ADC Configuration..................................................................................................... 16-27
16.5 ADC Interrupt Generation .......................................................................................... 16-33
16.6 Analog Input Selection for Conversion....................................................................... 16-35
16.7 Specifying Conversion Results Buffering for Devices with DMA................................ 16-44
16.8 ADC Configuration Example ...................................................................................... 16-48
16.9 ADC Configuration for 1.1 Msps ................................................................................16-49
16.10 Sample and Conversion Sequence Examples for Devices without DMA .................. 16-51
16.11 Sample and Conversion Sequence Examples for Devices with DMA ....................... 16-63
16.12 Analog-to-Digital Sampling Requirements ................................................................. 16-73
16.13 Reading the ADC Result Buffer .................................................................................16-74
16.14 Transfer Functions ..................................................................................................... 16-76
16.15 ADC Accuracy/Error................................................................................................... 16-78
16.16 Connection Considerations........................................................................................ 16-78
16.17 Operation During Sleep and Idle Modes .................................................................... 16-79
16.18 Effects of a Reset....................................................................................................... 16-79
16.19 Special Function Registers ........................................................................................ 16-80
16.20 Design Tips ................................................................................................................ 16-81
16.21 Related Application Notes.......................................................................................... 16-82
16.22 Revision History ......................................................................................................... 16-83
