C8051F046 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
MFG CO.
'C8051F046' PDF : 328 Pages View PDF
C8051F040/1/2/3/4/5/6/7
SFR Definition 6.12. ADC0LTL: ADC0 Less-Than Data Low Byte
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address: 0xC6
SFR Page: 0
Bits7-0: Low byte of ADC0 Less-Than Data Word.
Input Voltage
(AD0 - AGND)
REF x (1023/1024)
ADC Data
Word
0x03FF
AD0WINT
not affected
REF x (512/1024)
REF x (256/1024)
0x0201
0x0200
0x01FF
0x0101
0x0100
0x00FF
ADC0LTH:ADC0LTL
AD0WINT=1
ADC0GTH:ADC0GTL
AD0WINT
not affected
0
0x0000
Given:
AMX0SL = 0x00, AMX0CF = 0x00, ADLJST = 0,
ADC0LTH:ADC0LTL = 0x0200,
ADC0GTH:ADC0GTL = 0x0100.
An ADC End of Conversion will cause an ADC
Window Compare Interrupt (ADWINT=1) if the
resulting ADC Data Word is < 0x0200 and
> 0x0100.
Given:
Input Voltage
(AD0 - AGND)
REF x (1023/1024)
ADC Data
Word
0x03FF
AD0WINT=1
REF x (512/1024)
REF x (256/1024)
0x0201
0x0200
0x01FF
0x0101
0x0100
0x00FF
ADC0GTH:ADC0GTL
AD0WINT
not affected
ADC0LTH:ADC0LTL
AD0WINT=1
0
0x0000
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 or
< 0x0100.
Figure 6.8. 10-Bit ADC0 Window Interrupt Example:
Right Justified Single-Ended Data
Rev. 1.5
85
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