PIC24HJ12GP201 Datasheet, PDF (161/234 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJ12GP201/202
REGISTER 17-4: AD1CHS123: ADC1 INPUT CHANNEL 1, 2, 3 SELECT REGISTER (CONTINUED)
bit 2-1
CH123NA<1:0>: Channel 1, 2, 3 Negative Input Select for Sample A bits
PIC24HJ12GP201 devices only:
If AD12B = 1:
11 = Reserved
10 = Reserved
01 = Reserved
00 = Reserved
If AD12B = 0:
11 = Reserved
10 = Reserved
01 = CH1, CH2, CH3 negative input is VREF-
00 = CH1, CH2, CH3 negative input is VREF-
PIC24HJ12GP202 devices only:
If AD12B = 1:
11 = Reserved
10 = Reserved
01 = Reserved
00 = Reserved
If AD12B = 0:
11 = CH1 negative input is AN9, CH2 and CH3 negative inputs are not connected
10 = CH1 negative input is AN6, CH2 negative input is AN7, CH3 negative input is AN8
01 = CH1, CH2, CH3 negative input is VREF-
00 = CH1, CH2, CH3 negative input is VREF-
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
© 2007 Microchip Technology Inc.
Preliminary
DS70282B-page 159