C8051F2XX Datasheet, PDF (47/146 Pages) Silicon Laboratories – Mixed Signal 8 kB ISP Flash MCU Family

C8051F2xx
SFR Definition 6.9. ADC0LTL: ADC Less-Than Data Low Byte (C8051F206)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
11111111
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0xC4
Bits7–0:
These bits are the low byte of the ADC Less-Than Data Word.
Definition:
ADC Less-Than Data Word = ADC0LTH:ADC0LTL
Input Voltage
(Analog Input - GND)
REF x (4095/4096)
ADC Data
Word
0x0FFF
ADWINT
not affected
REF x (512/4096)
REF x (256/4096)
0x0201
0x0200
0x01FF
0x0101
0x0100
0x00FF
ADC0LTH:ADC0LTL
ADWINT=1
ADC0GTH:ADC0GTL
Input Voltage
(Analog Input - GND)
REF x (4095/4096)
ADC Data
Word
0x0FFF
ADWINT=1
REF x (512/4096)
REF x (256/4096)
0x0201
0x0200
0x01FF
0x0101
0x0100
0x00FF
ADC0GTH:ADC0GTL
ADWINT
not affected
ADC0LTH:ADC0LTL
0
Given:
0x0000
ADWINT
not affected
0
Given:
0x0000
ADWINT=1
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,
ADC0LTH:ADC0LTL
=
0x0200,
ADC0GTH:ADC0GTL = 0x0100.
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,
ADC0LTH:ADC0LTL
=
0x0100,
ADC0GTH:ADC0GTL = 0x0200.
An ADC End of Conversion will cause an ADC
Window Compare Interrupt (ADWINT=1) if the
resulting ADC Data Word is < 0x0200 and >
0x0100.
An ADC End of Conversion will cause an ADC
Window Compare Interrupt (ADWINT=1) if the
resulting ADC Data Word is < 0x0100 or >
0x0200.
Figure 6.3. 12-Bit ADC Window Interrupt Examples, Right Justified Data
Rev. 1.6
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