hi David Tosenovjan :
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
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.