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Supports DMA transfers between M_CAN Message RAM and System Memory
On reception or transmission of sync messages by the attached M_CAN, the TSU captures the actual value of its internal 32-bit timestamp counter and stores it to one of its timestamp registers.
The count rate of the internal timestamp counter can be adjusted by an 8-bit prescaler to the value required by the application.
It is also possible to use an external timebase by connecting it to the TSU's timebase input. The actual timebase value (internal or external) is also available at the TSU's timebase output.
The TSU can be configured to store 4/8/16 timestamps. It is configurable whether capturing of timestamps is triggered at SoF or EoF of the Sync frame received by the attached M_CAN.