C8051F120-TB Silicon Laboratories Inc, C8051F120-TB Datasheet - Page 69

• Manufacturer Part Number: C8051F120-TB
• Description: BOARD PROTOTYPING W/C8051F120
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F120-TB

• Contents: Board
• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F120
• Silicon Family Name: C8051F12x
• Kit Contents: Board
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F120
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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 2s-complement
math, 0xFFFF = -1.)
Figure 5.7. 12-Bit ADC0 Window Interrupt Example: Right Justified Differential
REF x (2047/2048)
REF x (256/2048)
(AD0.0 - AD0.1)
REF x (-1/2048)
Input Voltage
-REF
ADC Data
0xFFFF
0xFFFE
0x07FF
0x0101
0x0100
0x00FF
0x0000
0xF800
Word
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
AD0WINT
not affected
AD0WINT=1
AD0WINT
not affected
Rev. 1.4
Data
C8051F120/1/2/3/4/5/6/7
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 2s-complement
math, 0xFFFF = -1.)
REF x (2047/2048)
REF x (256/2048)
(AD0.0 - AD0.1)
REF x (-1/2048)
Input Voltage
-REF
C8051F130/1/2/3
ADC Data
0xFFFF
0xFFFE
0x07FF
0x0101
0x0100
0x00FF
0x0000
0xF800
Word
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
AD0WINT=1
AD0WINT
not affected
AD0WINT=1
69