How to migrate across STM32 series

AN3364

10/17

Doc ID 018608 Rev 3

USART

Yes

Yes+

Choice for independant clock

sources, Time out feature,

wake up from stop mode

Identical

Full compatibility

I2C

Yes

Yes++

Bug fix, FM+, wake up from

stop mode, Digital filter

Identical

Full compatibility

DAC

Yes

Yes+

DMA underrun interrupt

Identical

Full compatibility

ADC

Yes

Yes++

Same analogic part, but new

digital interface

Identical

Partial compatibility

RTC

Yes

Yes++

Subsecond precision, digital

calibration circuit, Time-stamp

function for event saving,

programmable alarm

Identical for the

same feature

New driver

FLASH

Yes

Yes+

Option byte modified

NA

Partial compatibility

GPIO

Yes

Yes++

New peripheral

4 new GPIOs

Partial compatibility

CAN

Yes

NA

NA

NA

NA

USB FS

device

Yes

NA

NA

NA

NA

Ethernet

Yes

NA

NA

NA

NA

SDIO

Yes

NA

NA

NA

NA

FSMC

Yes

NA

NA

NA

NA

Touch

sensing

NA

Yes

NA

NA

NA

COMP

NA

Yes

NA

NA

NA

SYSCFG

NA

Yes

NA

NA

NA

Table 2.

STM32 peripheral compatibility analysis F1 versus F0 series (continued)

Peripheral

Series

Compatibility

F1

F0

Comments

Pinout

SW compatibility

Color key:

= New feature or new architecture (Yes++)

= Same feature, but specification change or enhancement (Yes+)

= Feature not available (NA)