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© 2011 Microchip Technology Inc.DS39739B-page 51-1

12-Bit A

/

D Converter

w/Threshold Detect

51

Section 51. 12-Bit A/D Converter with Threshold Detect

HIGHLIGHTS

This section of the manual contains the following major topics:

51.1Introduction................................................................................................................. 51-2

51.2A/D Terminology and Conversion Sequence..............................................................51-4

51.3Registers ..................................................................................................................... 51-6

51.4A/D Module Configuration.........................................................................................51-19

51.5Initialization............................................................................................................... 51-23

51.6Controlling the Sampling Process.............................................................................51-24

51.7Controlling the Conversion Process..........................................................................51-24

51.8A/D Results Buffer.....................................................................................................51-30

51.9Extended DMA Operations.......................................................................................51-34

51.10Threshold Detect Operation......................................................................................51-37

51.11Conversion Sequence Examples..............................................................................51-44

51.12A/D Sampling Requirements.....................................................................................51-53

51.13Transfer Functions....................................................................................................51-54

51.14A/D Accuracy/Error...................................................................................................51-56

51.15Operation During Sleep and Idle Modes...................................................................51-56

51.16Effects of a Reset......................................................................................................51-57

51.17Register Maps...........................................................................................................51-58

51.18Electrical Specifications.............................................................................................51-59

51.19Design Tips...............................................................................................................51-60

51.20Related Application Notes.........................................................................................51-61

51.21Revision History........................................................................................................51-62

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