Adc Functional Description; Figure 28. Single Adc Block Diagram - ST STM32F207 Series Reference Manual

RM0033
10.3

ADC functional description

Figure 28
V REF+
V REF-
V DDA
V SSA
ADCx_IN0
ADCx_IN1
ADCx_IN15
Temp. sensor
TIM1_TRGO
TIM2_TRGO
TIM4_TRGO
TIM5_TRGO
EXTI_15
EXTI_11
shows a single ADC block diagram and

Figure 28. Single ADC block diagram

DMA overrun
End of conversion
End of injected conversion
Analog watchdog event
Analog
mux
GPIO
up to 4
ports
up to 16
V REFINT
V BAT
JEXTSEL[3:0] bits
TIM1_CH4
JEXTEN
[1:0] bits
TIM2_CH1
TIM3_CH2
TIM3_CH4
TIM4_CH1
TIM4_CH2
TIM4_CH3
Start trigger
TIM5_CH4
(injected group)
TIM8_CH2
TIM8_CH3
TIM8_CH4
Table 32
Interrupt
Flags
enable bits
OVR OVRIE
EOC EOCIE
JEOC JEOCIE
AWD AWDIE
Analog watchdog
Compare result
Higher threshold (12 bits)
Lower threshold (12 bits)
Injected data registers
(4 x 16 bits)
Injected
Analog to digital
channels
converter
Regular
channels
EXTSEL[3:0] bits
EXTEN
[1:0] bits
Start trigger
(regular group)
RM0033 Rev 9
Analog-to-digital converter (ADC)
gives the ADC pin description.
ADC Interrupt to NVIC
Regular data register
(16 bits)
DMA request
ADCCLK
From ADC prescaler
TIM1_CH1
TIM1_CH2
TIM1_CH3
TIM2_CH2
TIM2_CH3
TIM2_CH4
TIM2_TRGO
TIM3_CH1
TIM3_TRGO
TIM4_CH4
TIM5_CH1
TIM5_CH2
TIM5_CH3
TIM8_CH1
TIM8_TRGO
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