[alright2565]

How does programming on this thing work? The datasheet doesn't go into very much detail, except there's SDI, SDO, SCK, and Vpp pins.

[LargoLasskhyfv]

Like an 8051, I guess?

https://en.wikipedia.org/wiki/MCS-51

ny8a051h

[kjs3]

It's not an 8051. Read the datasheet.

[BarsMonster]

Hehe, I was also tricked into thinking it's an 8051-compatible :-)