ST STM32 Series User Manual

AN3364 How to migrate across STM32 series
Doc ID 018608 Rev 1 9/12
Table 3. STM32 peripheral compatibility analysis F1 versus L1 series
Peripheral F1 series L1 series
Compatibility
Comments Pinout SW compatibility
SPI
Ye s + Ye s
No I2S in L1 series
L1 vs. F1: limitation fix
Identical Full compatibility
WWDG
Ye s Yes Same features NA Full compatibility
IWDG
Ye s Yes Same features NA Full compatibility
DBGMCU
Ye s Yes Same features NA Full compatibility
CRC
Ye s Yes Same features NA Full compatibility
EXTI
Ye s Yes Same features Identical Full compatibility
USB FS
Device
Ye s Yes Same features Identical Full compatibility
DMA
Ye s Yes Same features NA Full compatibility
TIM
Ye s Yes Same features Identical Full compatibility
PWR Ye s Ye s + Enhancement NA
Full compatibility for the
same feature
RCC
Ye s Ye s + Enhancement NA Partial compatibility
USART
Ye s Ye s +
Limitation fix / One Sample
Bit method / Oversampling by
8
Identical Full compatibility
I2C
Ye s Ye s + Limitation fix Identical Full compatibility
DAC
Ye s Ye s + DMA underrun interrupt Identical Full compatibility
ADC
Ye s Yes++ New peripheral Identical Partial compatibility
RTC
Ye s Yes++ New peripheral
Identical for the
same feature
Not compatible
FLASH
Ye s Yes++ New peripheral NA Not compatible
GPIO
Ye s Yes++ New peripheral Identical Not compatible
CAN
Ye s NA NA NA NA
CEC
Ye s NA NA NA NA
Ethernet
Ye s NA NA NA NA
SDIO
Ye s NA NA NA NA
FSMC
Ye s NA NA NA NA
LCD glass
NA Ye s NA NA NA

ST STM32 Series Specifications

General

Core	ARM Cortex-M0, Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-M33
Clock speed	Up to 480 MHz
Temperature range	-40°C to +85°C or +105°C or +125°C
Package options	LQFP, WLCSP, BGA, TSSOP, UFQFPN, VFQFPN, SO
Peripherals	Timers, SPI, I2C, CAN, USB, Ethernet
GPIO Pins	Up to 144
ADC Resolution	Up to 16-bit