Microchip Technology MA330013 数据表
dsPIC33F
DS70165E-page 286
Preliminary
©
2007 Microchip Technology Inc.
REGISTER 22-6:
ADxCHS0: ADCx INPUT CHANNEL 0 SELECT REGISTER
R/W-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
CH0NB
—
—
CH0SB<4:0>
bit 15
bit 8
R/W-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
CH0NA
—
—
CH0SA<4:0>
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
CH0NB: Channel 0 Negative Input Select for Sample B bit
Same definition as bit 7.
bit 14-13
Unimplemented: Read as ‘
0
’
bit 12-8
CH0SB<4:0>: Channel 0 Positive Input Select for Sample B bits
Same definition as bit<4:0>.
bit 7
CH0NA: Channel 0 Negative Input Select for Sample A bit
1
= Channel 0 negative input is AN1
0
= Channel 0 negative input is V
REF
-
bit 6-5
Unimplemented: Read as ‘
0
’
bit 4-0
CH0SA<4:0>: Channel 0 Positive Input Select for Sample A bits
11111
= Channel 0 positive input is AN31
11110
= Channel 0 positive input is AN30
• • •
00010
= Channel 0 positive input is AN2
00001
= Channel 0 positive input is AN1
00000
= Channel 0 positive input is AN0