AN4228 datasheet(12/90 Pages) STMICROELECTRONICS

12 / 90 page

Peripheral migration

AN4228

12/90

DocID024110 Rev 5

Note:

Yes++ = New feature or new architecture



Yes+ = Same feature, but specification change or enhancement



Yes = Feature available



NA = Feature not available

CAN

Yes

In STM32F303/302xB/C, 512 bytes

SRAM is not shared with USB.

In STM32F302x6/x8 and

STM32F30xxD/E, 256 bytes shared

SRAM with USB.

Identical

Full compatibility

USB FS

Device

Yes

In STM32F303/302xB/C, 512 bytes

SRAM is not shared with CAN.

In STM32F302x6/x8 and

STM32F30xxD/E, 726 bytes

dedicated SRAM and 256 bytes

shared SRAM with CAN i.e. 1Kbytes

dedicated SRAM in case CAN is

disabled.

Identical

Full compatibility for

SM32F303/302xB/C.

Partial compatibility

for STM32F302x6/x8

and STM32F30xxD/E

as the USB is

modified compared to

STM32F1/F30xxB/C,

comes with LPM

support and has 726

bytes dedicated

SRAM and 256 bytes

shared SRAM with

CAN, or 1Kbytes

dedicated SRAM in

case CAN is

disabled.

Ethernet

Yes

SDIO

Yes

FMC

Yes

Available only on the

STM32F30xxD/E.

Identical

Full compatibility.

Touch

Sensing

Yes

COMP

Yes

OPAMP(2)

Yes

SYSCFG

Yes

SDADC(3)

Yes

In the In the STM32F303/302/301x6/x8, one DMA controller is available, with 7 channels

The OPAMP is available only on STM32F30xx/F358x.

The SDADC is available only on STM32F37xx/F378x.

Table 7. STM32 peripheral compatibility analysis STM32F1 versus STM32F3 series (continued)

Peripheral

STM32F1

series

STM32F3

series

Compatibility

Feature

Pinout

FW driver

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