AN3427 datasheet(33/52 Pages) STMICROELECTRONICS

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AN3427

Peripheral migration

Doc ID 019001 Rev 1

33/52

3.9

ADC

The table below presents the differences between the ADC interface of STM32 F1 series

and STM32 F2 series, these differences are the following:

●

New digital interface

●

New architecture and new features

User Option bytes

STOP

STANDBY

WDG

BOR level

For more details refer to Application note AN2594 EEPROM emulation in STM32F10x microcontrollers

For more details refer to Application note AN3390 EEPROM emulation in STM32F2xx microcontrollers

Memory read protection Level 2 is an irreversible operation. When Level 2 is activated, the level of protection cannot be

decreased to Level 0 or Level 1.

Table 10.

FLASH differences between STM32 F1 series and STM32 F2 series

Flash

STM32 F1 series

STM32 F2 series

Color key:

= New feature or new architecture

= Same feature, but specification change or enhancement

= Feature not available (NA)

Table 11.

ADC differences between STM32 F1 series and STM32 F2 series

ADC

STM32 F1 series

STM32 F2 series

ADC Type

SAR structure

Instances

ADC1 / ADC2 / ADC3

Max Sampling freq

1 MSPS

2 MSPS

Number of

channels

up to 21 channels

up to 24 Channels

Resolution

12-bit

12-bit,10-bit, 8-bit, 6-bit

Conversion Modes

Single / continuous / Scan / Discontinuous /

Dual Mode

Single / continuous /

Scan / Discontinuous

Dual Mode / Triple Mode

DMA

Yes

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