ST STM32F207 series User Manual

RM0033 Rev 9 213/1381
RM0033 Analog-to-digital converter (ADC)
255
10.3 ADC functional description
Figure 28 shows a single ADC block diagram and Table 32 gives the ADC pin description.
Figure 28. Single ADC block diagram
ADCx_IN0
ADCx_IN1
Analog to digital
converter
ADCx_IN15
Analog
mux
ADCCLK
ADC Interrupt to NVIC
GPIO
ports
Analog watchdog
Address/data bus
Lower threshold (12 bits)
Compare result
Higher threshold (12 bits)
Flags
enable bits
EOC
AWD
Analog watchdog event
V
DDA
V
SSA
V
REF+
V
REF-
Interrupt
EXTI_11
TIM3_CH2
From ADC prescaler
(16 bits)
End of conversion
channels
Injected
channels
End of injected conversion
JEOC
EOCIE
AWDIE
JEOCIE
up to 4
up to 16
Regular data register
(4 x 16 bits)
Injected data registers
Regular
Start trigger
(regular group)
EXTSEL[3:0] bits
EXTEN
TIM3_CH4
EXTI_15
TIM1_TRGO
TIM2_CH1
TIM2_TRGO
Start trigger
(injected group)
JEXTSEL[3:0] bits
TIM1_CH4
JEXTEN
[1:0] bits
[1:0] bits
DMA request
Temp. sensor
V
REFINT
OVR OVRIE
DMA overrun
V
BAT
TIM5_CH4
TIM5_TRGO
TIM4_CH2
TIM4_CH3
TIM4_TRGO
TIM4_CH1
TIM8_CH3
TIM8_CH4
TIM8_CH2
TIM2_CH3
TIM2_CH4
TIM1_CH2
TIM1_CH3
TIM2_CH2
TIM1_CH1
TIM5_CH1
TIM5_CH2
TIM3_CH1
TIM3_TRGO
TIM4_CH4
TIM2_TRGO
TIM8_CH1
TIM8_TRGO
TIM5_CH3
ai16046

ST STM32F207 series Specifications

General

Brand	ST
Model	STM32F207 series
Category	Microcontrollers
Language	English