ST STM32 Series - Page 5

AN3364 How to migrate across STM32 series
Doc ID 018608 Rev 1 5/12
COMs
I2C up to 2 2 3
Max freq 400 KHz 400 KHz 400 KHz
USART up to 3 3 4
UART up to 2 No 2
Max baud rate 2.25 or 4.5 Mbit/s up to 4 Mbit/s 3.75 or 7.5 Mbit/s
USB
USB Device FS USB Device FS OTG FS
OTG FS OTG HS
CAN up to 2 No 2
SDIO 1No1
CEC up to 1 No No
Ethernet MAC Yes w/ HW IEEE 1588 v1 No Yes w/ HW IEEE1588 v2
GPIOs 26/37/51/80/112 37/51/83 51/82/114/140
12 bit ADC up to 3 1 3
Max Sampling freq 1 MSPS 1 MSPS 2 MSPS
Number of channels 10/16/21 channels 16/20/24 channels 16/24 Channels
12 bit DAC 222
Max Sampling freq 1 MS/s 1 MS/s 1 MS/s
Number of channels 222
DCMI No No Yes
Crypto/hash processor No No
Ye s
DES, 3DES, AES 256-bit
SHA-1, MD5, HMAC
Table 1. STM32 series overview (continued)
Peripheral STM32 F-1 Series STM32 L-1 Series STM32 F-2 Series