AN3364 Datasheet, PDF (13/17 Pages) STMicroelectronics – Migration and compatibility guidelines for STM32 microcontroller applications

AN3364
How to migrate across STM32 series
Table 4. STM32 peripheral compatibility analysis F1 versus F4 series (continued)
Peripheral F1 series F4 series
Comments
Compatibility
Pinout
SW compatibility
I2C
Yes
Yes+
Bug fix
Identical
Full compatibility
TIM
Yes
Yes+
32-bit Counter in TIM2 and
TIM5
Identical
Full compatibility
DAC
Yes
Yes+
DMA underrun interrupt
Identical
Full compatibility
Ethernet
Yes
Yes+
IEEE1588 v2 / Enhanced DMA
descriptor
Identical
Full compatibility
SDIO
Yes
Yes+
Bug fix
Identical
Full compatibility
USB OTG FS Yes
Yes+
- Dynamic trimming capability of
SOF framing period in Host
mode
Identical
- Embeds a VBUS sensing
control
Full compatibility
RTC
Yes
Yes++
New peripheral
Identical for the
same feature
New driver
ADC
Yes
Yes++
New peripheral
Identical for the
same feature
Partial
compatibility
FLASH
Yes
Yes++
New peripheral
NA
Partial
compatibility
DMA
Yes
Yes++
New peripheral
NA
Partial
compatibility
GPIO
Yes
Yes++
New peripheral
Identical
Partial
compatibility
CEC
Yes
NA
NA
NA
NA
USB FS
Device
Yes
NA
NA
NA
NA
Crypto/hash
processor
NA
Yes
NA
NA
NA
RNG
NA
Yes
NA
NA
NA
DCMI
NA
Yes
NA
NA
NA
USB OTG HS NA
Yes
NA
SYSCFG
NA
Yes
NA
NA
NA
NA
NA
Color key:
= New feature or new architecture (Yes++)
= Same feature, but specification change or enhancement (Yes+)
= Feature not available (NA)
Doc ID 018608 Rev 3
13/17