TMS570LS3137: CAN register times

Federico Di Nardo

Part Number: TMS570LS3137

Hello everyone! I have a question about the time that take the MCU for record. Which is the time to take the MCU to record 1 data in the registers? Or an aprproximate time it would take.

Thanks a lot !

over 4 years ago

+1 QJ Wang over 4 years ago

TI__Guru**** 199036 points

Hello,

Normally Writing data to a register takes 3 assembly instructions: ldr, mov, and str

My measurements shows that it takes 28 CPU cycles to write data to DCAN register, for example

canREG1->IF1MSK = 0xC00007FF;

Arm-based microcontrollers

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TMS570LS3137: CAN register times