C8051F020 查看數據表（PDF） - Silicon Laboratories

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C8051F020

8K ISP FLASH MCU Family

Silicon Laboratories 

C8051F022/3

Figure 6.18. 10-Bit ADC0 Window Interrupt Example: Left Justified Single-Ended Data

Input Voltage

(AD0 - AGND)

REF x (1023/1024)

ADC Data

Word

0xFFC0

ADWINT

not affected

REF x (512/1024)

REF x (256/1024)

0x8040

0x8000

0x7FC0

0x4040

0x4000

0x3FC0

ADC0LTH:ADC0LTL

ADWINT=1

ADC0GTH:ADC0GTL

Input Voltage

(AD0 - AGND)

REF x (1023/1024)

ADC Data

Word

0xFFC0

ADWINT=1

REF x (512/1024)

REF x (256/1024)

0x8040

0x8000

0x7FC0

0x4040

0x4000

0x3FC0

ADC0GTH:ADC0GTL

ADWINT

not affected

ADC0LTH:ADC0LTL

ADWINT

not affected

0

0x0000

Given:

AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 1,

ADC0LTH:ADC0LTL = 0x8000,

ADC0GTH:ADC0GTL = 0x4000.

An ADC End of Conversion will cause an ADC

Window Compare Interrupt (ADWINT=1) if the

resulting ADC Data Word is < 0x8000 and

> 0x4000.

ADWINT=1

0

0x0000

Given:

AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 1,

ADC0LTH:ADC0LTL = 0x4000,

ADC0GTH:ADC0GTL = 0x8000.

An ADC End of Conversion will cause an ADC

Window Compare Interrupt (ADWINT=1) if the

resulting ADC Data Word is < 0x4000 or > 0x8000.

72

Rev. 1.4

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