Nuvotone IC w78E052D with mini Development Board
Kit with mini board +MAX232 IC + Nuvotone IC
W78E052 NUVOTONE IC is direct equivalent to 89S52.
Program developed for 89S52 on KEIL Platform will as well work with this Nuvotone IC.
The added advantage is the inbuilt BOOT LOADER , by which you can load the HEX file through UART.