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PIC24FJ128GA Datasheet, PDF (172/232 Pages) Microchip Technology – General Purpose, 16-Bit Flash Microcontrollers | |||
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PIC24FJ128GA FAMILY
REGISTER 20-4: AD1CHS: A/D INPUT SELECT REGISTER
Upper Byte:
R/W-0
U-0
U-0
U-0
R/W-0
R/W-0
CH0NB
â
â
â
CH0SB3 CH0SB2
bit 15
R/W-0
CH0SB1
R/W-0
CH0SB0
bit 8
Lower Byte:
R/W-0
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
CH0NA
â
â
â
CH0SA3 CH0SA2 CH0SA1 CH0SA0
bit 7
bit 0
bit 15 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-
bit 14-12 Unimplemented: Read as â0â
bit 11-8 CH0SB3:CH0SB0: Channel 0 Positive Input Select for MUX B Multiplexer Setting bits
1111 = Channel 0 positive input is AN15
1110 = Channel 0 positive input is AN14
·····
0001 = Channel 0 positive input is AN1
0000 = Channel 0 positive input is AN0
bit 7
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-
bit 6-4 Unimplemented: Read as â0â
bit 3-0 CH0SA3:CH0SA0: Channel 0 Positive Input Select for MUX A Multiplexer Setting bits
1111 = Channel 0 positive input is AN15
1110 = Channel 0 positive input is AN14
·····
0001 = Channel 0 positive input is AN1
0000 = Channel 0 positive input is AN0
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
DS39747C-page 170
Preliminary
© 2006 Microchip Technology Inc.
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