Functional Description - Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual

• Support for offset and gain calibration
• Interrupt generation and/or DMA request when
• Programmable number of converted data available in the single FIFO (also generates DMA request)
• Programmable number of converted data available in the scan FIFO (also generates DMA request)
• Single FIFO overflow or underflow
• Scan FIFO overflow or underflow
• Latest Single conversion tripped compare logic
• Latest Scan conversion tripped compare logic
• Analog over-voltage interrupt
• Programming Error interrupt due to APORT Bus Request conflict or NEGSEL programming error

26.3 Functional Description

An overview of the ADC is shown in
ADCCLKMODE
HFPERCLK
ADCn
ADCnCLK
APORT0X
DECOUPLE
APORT0Y
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Figure 26.1 ADC Overview on page
ADCn_STATUS
Conversion clock
ADC_CLK
(adc_clk_sar)
Prescaler
ADC_CLK
APORT1X
APORT2X
APORT3X
APORT4X
VDAC0/1 / OPA0/1/2/3 Channels
(if available)
TEMP
R5VOUT
AVDD
DVDD
VSS
IOVDD
IOVDD1
APORT1Y
APORT2Y
APORT3Y
APORT4Y
VSS
Figure 26.1. ADC Overview
846.
ADCn_BIASPROG
ADCn_CMPTHR
ADCn_CTRL
ADCn_CMD
ADCn_SINGLECTRL
ADCn_SINGLECTRLX ADCn_SINGLEDATA
ADCn_SCANCTRL
ADCn_SCANCTRLX
SINGLESAMPLE
Sequencer
Control
+
-
ADCn_EXTP ADCn_EXTN
Reference Manual
ADC - Analog to Digital Converter
ADCn_SCANDATA
SCAN
INPUTID
SCAN SAMPLE
FIFO FIFO
Oversampling
filter
Rev. 1.1 | 846