Adc Main Features; Adc Functional Description - ST STM32F101 series Reference Manual

Analog-to-digital converter (ADC)
11.2

ADC main features

• 12-bit resolution
•
Interrupt generation at End of Conversion, End of Injected conversion and Analog
watchdog event
•
Single and continuous conversion modes
•
Scan mode for automatic conversion of channel 0 to channel 'n'
•
Self-calibration
•
Data alignment with in-built data coherency
•
Channel by channel programmable sampling time
•
External trigger option for both regular and injected conversion
•
Discontinuous mode
•
Dual mode (on devices with 2 ADCs or more)
• ADC conversion time:
–
–
–
–
•
ADC supply requirement: 2.4 V to 3.6 V
• ADC input range: V
•
DMA request generation during regular channel conversion
The block diagram of the ADC is shown in
Note: V ,if available (depending on package), must be tied to V
REF-
11.3

ADC functional description

Figure 22
215/1128
STM32F103xx performance line devices: 1 µs at 56 MHz (1.17 µs at 72 MHz)
STM32F101xx access line devices: 1 µs at 28 MHz (1.55 µs at 36 MHz)
STM32F102xx USB access line devices: 1.2 µs at 48 MHz
STM32F105xx and STM32F107xx devices: 1 µs at 56 MHz (1.17 µs at 72 MHz)
≤ V
REF-
shows a single ADC block diagramand
DocID13902 Rev 15
≤ V
IN REF+
Figure 22.
Table 65
.
SSA
gives the ADC pin description.
RM0008