ARM, RISC-V контроллеры

Есть же Reference manual, там все написано. Ниже для STM32F4: Dual CAN • CAN1: Master bxCAN for managing the communication between a Slave bxCAN and the 512-byte SRAM memory • CAN2: Slave bxCAN, with no direct access to the SRAM memory. • The two bxCAN cells share the 512-byte SRAM memory