Datasheet

PIC24FJ128GA310 FAMILY
DS39996F-page 306  2010-2011 Microchip Technology Inc.
REGISTER 24-6: AD1CHS: A/D SAMPLE SELECT REGISTER
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
CH0NB2 CH0NB1 CH0NB0 CH0SB4 CH0SB3 CH0SB2 CH0SB1 CH0SB0
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
CH0NA2 CH0NA1 CH0NA0 CH0SA4 CH0SA3 CH0SA2 CH0SA1 CH0SA0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-13 CH0NB<2:0>: Sample B Channel 0 Negative Input Select bits
1xx = Unimplemented
011 = Unimplemented
010 =AN1
001 = Unimplemented
000 =V
REF-/AVSS
bit 12-8 CH0SB<4:0>: Sample B Channel 0 Positive Input Select bits
11111 =VBAT/2
(1)
11110 =AVDD
(1)
11101 =AVSS
(1)
11100 = Band gap reference (VBG)
(1)
11011 =VBG/2
(1)
11010 =VBG/6
(1)
11001 =CTMU
11000 = CTMU temperature sensor input (does not require AD1CTMENH<8> to be set)
10111 =AN23
(2)
10110 =AN22
(2)
10101 =AN21
(2)
10100 =AN20
(2)
10011 =AN19
(2)
10010 =AN18
(2)
10001 =AN17
(2)
10000 =AN16
(2)
01111 =AN15
01110 =AN14
01101 =AN13
01100 =AN12
01011 =AN11
01010 =AN10
01001 =AN9
01000 =AN8
00111 =AN7
00110 =AN6
00101 =AN5
00100 =AN4
00011 =AN3
00010 =AN2
00001 =AN1
00000 =AN0
Note 1: These input channels do not have corresponding memory mapped result buffers.
2: These channels are implemented in 100-pin devices only.