C8051F020 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F020

8K ISP FLASH MCU Family

Silicon Laboratories 

C8051F020/1

Figure 5.16. 12-Bit ADC0 Window Interrupt Example: Right Justified Single-Ended Data

Input Voltage

(AD0 - AGND)

REF x (4095/4096)

ADC Data

Word

0x0FFF

AD0WINT

not affected

REF x (512/4096)

REF x (256/4096)

0x0201

0x0200

0x01FF

0x0101

0x0100

0x00FF

ADC0LTH:ADC0LTL

AD0WINT=1

ADC0GTH:ADC0GTL

AD0WINT

not affected

0

0x0000

Given:

AMX0SL = 0x00, AMX0CF = 0x00

AD0LJST = ‘0’,

ADC0LTH:ADC0LTL = 0x0200,

ADC0GTH:ADC0GTL = 0x0100.

An ADC0 End of Conversion will cause an ADC0

Window Compare Interrupt (AD0WINT = ‘1’) if

the resulting ADC0 Data Word is < 0x0200 and

> 0x0100.

Input Voltage

(AD0 - AGND)

REF x (4095/4096)

ADC Data

Word

0x0FFF

AD0WINT=1

REF x (512/4096)

REF x (256/4096)

0x0201

0x0200

0x01FF

0x0101

0x0100

0x00FF

ADC0GTH:ADC0GTL

AD0WINT

not affected

ADC0LTH:ADC0LTL

AD0WINT=1

0

0x0000

Given:

AMX0SL = 0x00, AMX0CF = 0x00,

AD0LJST = ‘0’,

ADC0LTH:ADC0LTL = 0x0100,

ADC0GTH:ADC0GTL = 0x0200.

An ADC0 End of Conversion will cause an ADC0

Window Compare Interrupt (AD0WINT = ‘1’) if

the resulting ADC0 Data Word is > 0x0200 or

< 0x0100.

54

Rev. 1.4

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