size issue | Microcontroller › 8051 › how to convert C code into hex code using keil compiler › size issue February 23, 2011 at 11:52 am #5601 Kaustubh DeshmukhParticipant Hi, you can use NXP P89V51RD2 it is same as AT89C51 and it has 64 K of flash so no worry about memmory size. It is In Curcuit Programmable. u do not need a separate programmer kit for programming the P89V51RD2. Just use flash magic and program through UART .
