SPC5744p programming characteristics

[XSL-WF]

What is the flash erase and write operation time of mpc5744p? I can't find the parameters in the user manual.

In addition, when I do a project of Program bootloader , the upper computer can send 1.5MB files within 80s, but it takes more than 3 minutes to complete the whole Program / download process. What is the reason?

[BreannaWalker]

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[BreannaWalker]

Hello

[petervlna · Accepted solution]

Hello,

What is the flash erase and write operation time of mpc5744p?

Please have a look at datasheet for it: 3.16.1.1 Flash memory program and erase specifications

In addition, when I do a project of Program bootloader , the upper computer can send 1.5MB files within 80s, but it takes more than 3 minutes to complete the whole Program / download process. What is the reason?

This depends on how do you program the device. For some serial communication it depends on settings and HW limits or for JTAG / NEXUS it depends on programmer spec, etc... there can be lot of delays.

Best regards,

Peter

[XSL-WF]

I can't find the programming characteristics in Document Number: MPC5744PRM  Rev. 6.1, 10/2017.

[petervlna]

Hello,

It is because you are referring to reference manual.

the device characteristics are described in data sheet:

https://www.nxp.com/docs/en/data-sheet/MPC5744P.pdf

best regards,

Peter