PIC24FJ16MC101_12 Datasheet, PDF (200/350 Pages) Microchip Technology – 16-bit Microcontrollers (up to 32 KB Flash and 2 KB SRAM)

PIC24FJ16MC101/102 AND PIC24FJ32MC101/102/104
REGISTER 19-4: AD1CHS123: ADC1 INPUT CHANNEL 1, 2, 3 SELECT REGISTER
U-0
U-0
U-0
U-0
U-0
R/W-0
R/W-0
—
—
—
—
—
CH123NB<1:0>
bit 15
R/W-0
CH123SB
bit 8
U-0
U-0
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
—
—
—
—
—
CH123NA<1:0>
CH123SA
bit 7
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
PIC24FJ32MC101 devices only:
11 = Reserved
10 = Reserved
0x = CH1, CH2, CH3 negative input is AVss
PIC24FJ32MC101/102 devices only:
11 = CH1 negative input is AN9, CH2 negative input is AN10, CH3 negative input is not connected
10 = Reserved
0x = CH1, CH2, CH3 negative input is AVss
PIC24FJ32MC104 devices only:
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 AVss
CH123SB: Channel 1, 2, 3 Positive Input Select for Sample B bit
PIC24FJXX/MC101 devices only:
1 = CH1 positive input is AN3, CH2 and CH3 positive inputs are not connected
0 = CH1 positive input is AN0, CH2 positive input is AN1, CH3 positive input is AN2
All other devices:
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
Refer to bits 10-9 for the available settings.
CH123SA: Channel 1, 2, 3 Positive Input Select for Sample A bit
Refer to bit 8 for the available settings.
DS39997C-page 200
Preliminary
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