PIC32MX1XX/2XX/5XX 64/100-PIN FAMILY
REGISTER 22-4: AD1CHS: ADC INPUT SELECT REGISTER (CONTINUED)
bit 21-16
CH0SA<5:0>: Positive Input Select bits for Sample A Multiplexer Setting
For 64-pin devices:
011110 = Channel 0 positive input is Open(1)
011101 = Channel 0 positive input is CTMU temperature sensor (CTMUT)(2)
011100 = Channel 0 positive input is IVREF(3)
011011 = Channel 0 positive input is AN27
•
•
•
000001 = Channel 0 positive input is AN1
000000 = Channel 0 positive input is AN0
For 100-pin devices:
110010 = Channel 0 positive input is Open(1)
110001 = Channel 0 positive input is CTMU temperature sensor (CTMUT)(2)
110000 = Channel 0 positive input is IVREF(3)
101111 = Channel 0 positive input is AN47
•
•
•
0000001 = Channel 0 positive input is AN1
0000000 = Channel 0 positive input is AN0
bit 15-0 Unimplemented: Read as ‘0’
Note 1:
2:
3:
This selection is only used with CTMU capacitive and time measurement.
See Section 26.0 “Charge Time Measurement Unit (CTMU)” for more information.
Internal precision 1.2V reference. See Section 24.0 “Comparator” for more information.
DS60001290E-page 240
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