C8051F02X Datasheet, PDF (54/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

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