PIC24FJ256GA110_10 Datasheet, PDF (230/330 Pages) Microchip Technology – 64/80/100-Pin, 16-Bit, General Purpose Flash Microcontrollers with Peripheral Pin Select

PIC24FJ256GA110 FAMILY
REGISTER 21-4: AD1CHS: A/D INPUT SELECT REGISTER
R/W-0
U-0
CH0NB
—
bit 15
U-0
R/W-0
R/W-0
—
CH0SB4⁽¹⁾ CH0SB3⁽¹⁾
R/W-0
CH0SB2⁽¹⁾
R/W-0
CH0SB1⁽¹⁾
R/W-0
CH0SB0⁽¹⁾
bit 8
R/W-0
U-0
CH0NA
—
bit 7
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
CH0SA4
CH0SA3
CH0SA2
CH0SA1
CH0SA0
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
bit 14-13
bit 12-8
bit 7
bit 6-5
bit 4-0
CH0NB: Channel 0 Negative Input Select for MUX B Multiplexer Setting bit
1 = Channel 0 negative input is AN1
0 = Channel 0 negative input is VR-
Unimplemented: Read as ‘0’
CH0SB<4:0>: Channel 0 Positive Input Select for MUX B Multiplexer Setting bits⁽¹⁾
10001 = Channel 0 positive input is internal band gap reference (VBG)
10000 = Channel 0 positive input is VBG/2
01111 = Channel 0 positive input is AN15
01110 = Channel 0 positive input is AN14
01101 = Channel 0 positive input is AN13
01100 = Channel 0 positive input is AN12
01011 = Channel 0 positive input is AN11
01010 = Channel 0 positive input is AN10
01001 = Channel 0 positive input is AN9
01000 = Channel 0 positive input is AN8
00111 = Channel 0 positive input is AN7
00110 = Channel 0 positive input is AN6
00101 = Channel 0 positive input is AN5
00100 = Channel 0 positive input is AN4
00011 = Channel 0 positive input is AN3
00010 = Channel 0 positive input is AN2
00001 = Channel 0 positive input is AN1
00000 = Channel 0 positive input is AN0
CH0NA: Channel 0 Negative Input Select for MUX A Multiplexer Setting bit
1 = Channel 0 negative input is AN1
0 = Channel 0 negative input is VR-
Unimplemented: Read as ‘0’
CH0SA<4:0>: Channel 0 Positive Input Select for MUX A Multiplexer Setting bits
Implemented combinations are identical to those for CHOSB<4:0> (above).
Note 1: Combinations, ‘10010’ through ‘11111’, are unimplemented; do not use.
DS39905E-page 230
 2010 Microchip Technology Inc.