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| PIC24FV32KA304 Datasheet, PDF (219/322 Pages) Microchip Technology – 20/28/44/48-Pin, General Purpose, 16-Bit Flash Microcontrollers with XLP Technology | |||
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PIC24FV32KA304 FAMILY
REGISTER 22-5: AD1CHS: A/D SAMPLE SELECT REGISTER
R/W-0
CH0NB2
bit 15
R/W-0
CH0NB1
R/W-0
CH0NB0
R/W-0
CH0SB4
R/W-0
CH0SB3
R/W-0
CH0SB2
R/W-0
CH0SB1
R/W-0
CH0SB0
bit 8
R/W-0
CH0NA2
bit 7
R/W-0
CH0NA1
R/W-0
CH0NA0
R/W-0
CH0SA4
R/W-0
CH0SA3
R/W-0
CH0SA2
R/W-0
CH0SA1
R/W-0
CH0SA0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 15-13
bit 12-8
bit 7-5
bit 4-0
CH0NB<2:0>: Sample B Channel 0 Negative Input Select bits
111 = AN6(1)
110 = AN5(2)
101 = AN4
100 = AN3
011 = AN2
010 = AN1
001 = AN0
000 = AVSS
CH0SB<4:0>: S/H Amplifier Positive Input Select for MUX B Multiplexer Setting bits
11111 = Unimplemented, do not use
11101 = AVDD(3)
11101 = AVSS(3)
11100 = Upper guardband rail (0.785 * VDD)
11011 = Lower guardband rail (0.215 * VDD)
11010 = Internal Band Gap Reference (VBG)(3)
11001-10010 = Unimplemented, do not use
10001 = No channels connected, all inputs floating (used for CTMU)
10000 = No channels connected, all inputs floating (used for CTMU Temperature Sensor input)
01111 = AN15
01110 = AN14
01101 = AN13
01100 = AN12
01011 = AN11
01010 = AN10
01001 = AN9
01000 = AN8(1)
00111 = AN7(1)
00110 = AN6(1)
00101 = AN5(2)
00100 = AN4
00011 = AN3
00010 = AN2
00001 = AN1
00000 = AN0
CH0NA<2:0>: Sample A Channel 0 Negative Input Select bits
Same definitions as for CHONB<2:0>.
CH0SA<4:0>: Sample A Channel 0 Positive Input Select bits
Same definitions as for CHONA<4:0>.
Note 1: Implemented on 44-pin devices only.
2: Implemented on 28-pin and 44-pin devices only.
3: Actual band gap value used for this input is selected by the PVCFG bits (AD1CON2<15:14>).
ï£ 2011 Microchip Technology Inc.
DS39995A-page 219
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