C8051F02X Datasheet, PDF (72/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

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