C8051F02X Datasheet, PDF (77/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

C8051F020/1/2/3
Figure 7.2. ADC1 Track and Conversion Example Timing
A. ADC Timing for External Trigger Source
CNVSTR
(AD1CM[2:0]=010)
SAR1 Clocks
123456789
AD1TM=1
Low Power
or Convert
Track
Convert
Low Power Mode
AD1TM=0
Track or Convert
Convert
Track
B. ADC Timing for Internal Trigger Source
Write '1' to AD1BUSY,
Timer 3 Overflow,
Timer 2 Overflow,
Write '1' to AD0BUSY
(AD1CM[2:0]=000, 001, 011, 1xx)
1 2 3 4 5 6 7 8 9 10 11 12
SAR1 Clocks
Low Power
AD1TM=1 _{or Convert}
Track
Convert
Low Power Mode
SAR1 Clocks
123456789
AD1TM=0
Track or
Convert
Convert
Track
Rev. 1.4
77