C8051F020DK Silicon Laboratories Inc, C8051F020DK Datasheet - Page 61
![DEV KIT FOR F020/F021/F022/F023](/photos/9/23/92314/c8051f020dk_sml.jpg)
C8051F020DK
Manufacturer Part Number
C8051F020DK
Description
DEV KIT FOR F020/F021/F022/F023
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheet
1.C8051F020DK.pdf
(272 pages)
Specifications of C8051F020DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F02x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F020
Silicon Family Name
C8051F02x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051 F020/021/022/023
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1200
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F020DK
Manufacturer:
SiliconL
Quantity:
10
- Current page: 61 of 272
- Download datasheet (2Mb)
6.2.2. Tracking Modes
The AD0TM bit in register ADC0CN controls the ADC0 track-and-hold mode. In its default state, the ADC0 input is
continuously tracked when a conversion is not in progress. When the AD0TM bit is logic 1, ADC0 operates in low-
power track-and-hold mode. In this mode, each conversion is preceded by a tracking period of 3 SAR clocks (after
the start-of-conversion signal). When the CNVSTR signal is used to initiate conversions in low-power tracking mode,
ADC0 tracks only when CNVSTR is low; conversion begins on the rising edge of CNVSTR (see Figure 6.3). Track-
ing can also be disabled (shutdown) when the entire chip is in low power standby or sleep modes. Low-power track-
and-hold mode is also useful when AMUX or PGA settings are frequently changed, to ensure that settling time
requirements are met (see
Timer 2, Timer 3 Overflow;
(AD0STM[1:0]=00, 01, 11)
Write '1' to AD0BUSY
(AD0STM[1:0]=10
SAR Clocks
SAR Clocks
SAR Clocks
ADC0TM=1
ADC0TM=0
ADC0TM=1
ADC0TM=0
CNVSTR
Figure 6.3. 10-Bit ADC Track and Conversion Example Timing
)
A. ADC Timing for External Trigger Source
B. ADC Timing for Internal Trigger Sources
Section “6.2.3. Settling Time Requirements” on page
Low Power
Low Power
or Convert
or Convert
Track or
Convert
Track Or Convert
1
1
Track
2
2
Track
3
3
4
4
1
5
5
2
6
6
3
7
7
Convert
4
8
8
Rev. 1.4
5
9
9
10 11 12 13 14 15 16 17 18 19
10 11 12 13 14 15 16
6
Convert
7
Convert
Convert
8
9
10 11 12 13 14 15 16
62).
C8051F022/3
Low Power Mode
Track
Low Power Mode
Track
61
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