C8051F020 查看數據表（PDF） - Silicon Laboratories

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C8051F020

8K ISP FLASH MCU Family

Silicon Laboratories 

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

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