C8051F040-TB Silicon Laboratories Inc, C8051F040-TB Datasheet - Page 64
C8051F040-TB
Manufacturer Part Number
C8051F040-TB
Description
BOARD PROTOTYPING W/C8051F040
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F040-TB
Contents
Board
Processor To Be Evaluated
C8051F04x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F040
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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C8051F040/1/2/3/4/5/6/7
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Given:
AMX0SL = 0x00, AMX0CF = 0x01,
AD0LJST = ‘0’,
ADC0LTH:ADC0LTL = 0x0100,
ADC0GTH:ADC0GTL = 0xFFFF.
An ADC0 End of Conversion will cause an
ADC0 Window Compare Interrupt (AD0WINT
= ‘1’) if the resulting ADC0 Data Word is
< 0x0100 and > 0xFFFF. (In two’s-complement
math, 0xFFFF = -1.)
REF x (2047/2048)
REF x (256/2048)
REF x (-1/2048)
Input Voltage
(AD0 - AD1)
-REF
ADC Data
Figure 5.9. 12-Bit ADC0 Window Interrupt Example:
0xFFFF
0xFFFE
0x07FF
0x00FF
0xF800
0x0101
0x0100
0x0000
Word
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
Right Justified Differential Data
AD0WINT
not affected
AD0WINT=1
AD0WINT
not affected
Rev. 1.5
Given:
AMX0SL = 0x00, AMX0CF = 0x01,
AD0LJST = ‘0’,
ADC0LTH:ADC0LTL = 0xFFFF,
ADC0GTH:ADC0GTL = 0x0100.
An ADC0 End of Conversion will cause an
ADC0 Window Compare Interrupt (AD0WINT
= ‘1’) if the resulting ADC0 Data Word is
< 0xFFFF or > 0x0100. (In two’s-complement
math, 0xFFFF = -1.)
REF x (2047/2048)
REF x (256/2048)
REF x (-1/2048)
Input Voltage
(AD0 - AD1)
-REF
ADC Data
0xFFFF
0xFFFE
0x07FF
0x0101
0x0100
0x00FF
0x0000
0xF800
Word
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
AD0WINT=1
AD0WINT
not affected
AD0WINT=1
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