Microchip Technology MA330016 データシート

DS70290J-page 184

© 2007-2011 Microchip Technology Inc.

bit 2-1

CH123NA<1:0>: Channel 1, 2, 3 Negative Input Select for Sample A bits
dsPIC33FJ32GP202 devices only:
If AD12B = 1:
11 = Reserved
10 = Reserved
01 = Reserved
00 = Reserved

If AD12B = 0:
11 = CH1 negative input is AN9, CH2 negative input is AN10, CH3 negative input is AN11
10 = Reserved
01 = CH1, CH2, CH3 negative input is V

REF

-

00 = CH1, CH2, CH3 negative input is V

REF

-

dsPIC33FJ32GP204 and dsPIC33FJ16GP304 devices only:
If AD12B = 1:
11 = Reserved
10 = Reserved
01 = Reserved
00 = Reserved

If AD12B = 0:
11 = CH1 negative input is AN9, CH2 negative input is

 

AN10, CH3 negative input is AN11

10 = CH1 negative input is AN6, CH2 negative input is AN7, CH3 negative input is AN8
01 = CH1, CH2, CH3 negative input is V

REF

-

00 = CH1, CH2, CH3 negative input is V

REF

-

bit 0

CH123SA: Channel 1, 2, 3 Positive Input Select for Sample A bit
If AD12B = 1:
1 = Reserved
0 = Reserved

If AD12B = 0:
1 = CH1 positive input is AN3, CH2 positive input is AN4, CH3 positive input is AN5
0 = CH1 positive input is AN0, CH2 positive input is AN1, CH3 positive input is AN2