C8051F02X Datasheet, PDF (81/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

C8051F020/1/2/3
Figure 7.7. ADC1: ADC1 Data Word Register
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0x9C
Bits7-0: ADC1 Data Word.
Figure 7.8. ADC1 Data Word Example
8-bit ADC Data Word appears in the ADC1 Data Word Register as follows:
Example: ADC1 Data Word Conversion Map, AIN1.0 Input
(AMX1SL = 0x00)
AIN1.0-AGND
(Volts)
ADC1
VREF * (255/256)
0xFF
VREF / 2
0x80
VREF * (127/256)
0x7F
0
0x00
Code = Vin × --^G-----^a---ⁱ--ⁿ--- × 256
VREF
Rev. 1.4
81