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ADC channel selector for the 16F913

 
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adrian



Joined: 08 Sep 2003
Posts: 92
Location: Glasgow, UK

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ADC channel selector for the 16F913
PostPosted: Wed Jun 15, 2005 9:00 am     Reply with quote
I am about to embark on a new project using the 16F913. Before I upgrade my PCM compiler to get the 16F913 capability, can someone please double check for me the ADC channel selector setup.

If I read the data sheet correctly, it looks as if I should be able to set the ADC channels individually using the ANSEL register. This is what i need clarifying - as I only intend to use 3 of the channels for the ADC, the remainder of the port needs to be Digital I/O.

How reliable are the CCS header files for this device as they tend to get them wrong with new chips?
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Jun 15, 2005 9:37 am     Reply with quote
These are the constants from 16F913.H for vs. 3.225.
Code:
// Constants used in SETUP_ADC_PORTS() are:
#define sAN0            1       //| A0
#define sAN1            2       //| A1
#define sAN2            4       //| A2
#define sAN3            8       //| A3
#define sAN4            16      //| A5
#define NO_ANALOGS      0       // None
#define ALL_ANALOG      31      // A0 A1 A2 A3 A5
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