I have requested document team to improve the doc.
I will keep you informed.
I suspect that the chip used is not officially released,I have encountered such a situation on the mk10 chip.
Hi thoomanwang,
Please see datasheet, page 8,
https://www.nxp.com.cn/docs/en/nxp/data-sheets/LPC55S1x_LPC551x_DS.pdf
you will see
I don't have a LPC5514JBD64 in my hand now, but I just took a photo for LPC55S06JBD64, you will see pin 1 is labbled on the board. This is the same as LPC5514JBD64.
Thanks,
Jun Zhang
Please let me know if you bought the part from offical distributor? please let me know the contact.
mouser
There is cosmetic change to product appearance, customer should receive product change update doc. CIN 2022020171I. If you don't get it, please check with mouser.
HI thoomanwang
Thanks. Please refer my answer to use bottom left pin as first.
I will report it to doc team.
Thanks,
Jun Zhang
I tried four directions and couldn't identify them correctly.
How many parts shows like your picture?
This is abnormal. We may check the distributor and factory.
I bought 10 ps for development.
I only used 2 parts
I suspect that the chip used is not officially released,I have encountered such a situation on the mk10 chip.
thanks
If you buy the part from official distributor, they all official part. Please check the part with vendor.
I have requested document team to improve the doc.
I will keep you informed.