Hi,
Unfortunately there is no SDK nor LPCOpen for the LPC1227 device.
A workaround is to copy an existing driver for a similar part number, and then to use it in your LPC1227 projects. Almost all peripherals in LPC1xxx devices are similar, so that task is not that difficult. However, when you do so, look at the user manual to check you can use it as is.
You can find some customer's porting but this is not supported by nxp.
GitHub - petipok/lpc_chip_122x: LPCOPEN chip library for NXP LPC 122x devices
Have a great day,
Sol
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