Specifications

C8051F330/1
42 Rev. 1.1
Figure 5.6. AMX0N: AMUX0 Negative Channel Select Register
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 00011111
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 SFR Address:
0xBA
AMX0N4-0 ADC0 Negative Input
00000 P0.0
00001 P0.1
00010 P0.2
00011 P0.3
00100 P0.4
00101 P0.5
00110 P0.6
00111 P0.7
01000 P1.0
01001 P1.1
01010 P1.2
01011 P1.3
01100 P1.4
01101 P1.5
01110 P1.6
01111 P1.7
10000 VREF
10001 GND (ADC in Single-Ended Mode)
10010 - 11111 no input selected