S12G vs S12VR SCI baud rate.

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S12G vs S12VR SCI baud rate.

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fmiku
Contributor III

Hello,

I using S12G and S12VR series controllers.

Both chips are runing on same OSC setting but the VR series needs much bigger SCIxBAUD values for same baudrate. (about 16 times bigger)

By the datasheets both device's SCI interface are identical.

Where I'm lost ?

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lama
NXP TechSupport
NXP TechSupport

Hi,

look at the formulas presented below. The tables are taken from datasheets.

....and yes, the diference is 16times

S12VR:

pastedImage_1.png

S12G:

pastedImage_3.png

Best regards,

Ladislav