Questions about SIUL2_PGPDO

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Questions about SIUL2_PGPDO

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flight
Contributor II

hi David Tosenovjan 员工

Ask questions。

Read mpc5746c manual about pgpdo,But I didn't understand the relationship between pgpdo and PDO, how to use pgpdo, and how to understand this example, as follows,Please help me thank you

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davidtosenovjan
NXP TechSupport
NXP TechSupport

Hi, SIUL2_GPDOn is accesed per byte, when 1 byte access affects one pins. This way it was historically implemented on predecessor devices.

As multiple pin groups may be wanted to be set/cleared at once, SIUL2_PGPDOn has been added where 1 bit = 1 pin.

You can use both ways.

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