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C8051F310/1/2/3/4/5/6/7
56
Rev. 1.6
SFR Definition 5.2. AMX0N: AMUX0 Negative Channel Select
Bits7–5: UNUSED. Read = 000b; Write = don’t care.
Bits4–0: AMX0N4–0: AMUX0 Negative Input Selection.
Note that when GND is selected as the Negative Input, ADC0 operates in Single-ended
mode. For all other Negative Input selections, ADC0 operates in Differential mode.
R
R
R
R/W
R/W
R/W
R/W
R/W
Reset Value
-
-
-
AMX0N4
AMX0N3
AMX0N2
AMX0N1
AMX0N0
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xBA
AMX0N4–0
ADC0 Negative Input
00000
P1.0
00001
P1.1
00010
P1.2
00011
P1.3
00100
P1.4
00101
P1.5
00110
P1.6(1)
00111
P1.7(1)
01000
P2.0
01001
P2.1
01010
P2.2
01011
P2.3
01100
P2.4
01101
P2.5
01110
P2.6(1)
01111
P2.7(1)
10000
P3.0
10001(2)
P3.1(2)
10010(2)
P3.2(2)
10011(2)
P3.3(2)
10100(2)
P3.4(2)
10101–11101
RESERVED
11110
VREF
11111
GND (ADC in Single-Ended Mode)
Notes:
1. Only applies to C8051F310/1/2/3/4/5; selection
RESERVED on C8051F316/7 devices.
2. Only applies to C8051F310/2; selection RESERVED on
C8051F311/3/6/7 devices.