70592C Datasheet, PDF (217/314 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers

PIC24HJXXXGPX06A/X08A/X10A
REGISTER 20-5: ADxCHS123: ADCx INPUT CHANNEL 1, 2, 3 SELECT REGISTER
U-0
—
bit 15
U-0
U-0
U-0
U-0
R/W-0
R/W-0
—
—
—
—
CH123NB<1:0>
R/W-0
CH123SB
bit 8
U-0
—
bit 7
U-0
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
—
—
—
—
CH123NA<1:0>
CH123SA
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-11
bit 10-9
bit 8
bit 7-3
bit 2-1
bit 0
Unimplemented: Read as ‘0’
CH123NB<1:0>: Channel 1, 2, 3 Negative Input Select for Sample B bits
When AD12B = 1, CHxNB is: U-0, Unimplemented, Read as ‘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
0x = CH1, CH2, CH3 negative input is VREF-
CH123SB: Channel 1, 2, 3 Positive Input Select for Sample B bit
When AD12B = 1, CHxSB is: U-0, Unimplemented, Read as ‘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
Unimplemented: Read as ‘0’
CH123NA<1:0>: Channel 1, 2, 3 Negative Input Select for Sample A bits
When AD12B = 1, CHxNA is: U-0, Unimplemented, Read as ‘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
0x = CH1, CH2, CH3 negative input is VREF-
CH123SA: Channel 1, 2, 3 Positive Input Select for Sample A bit
When AD12B = 1, CHxSA is: U-0, Unimplemented, Read as ‘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
© 2011 Microchip Technology Inc.
DS70592C-page 217