Is there anyone who has used P89C662HBA

[a9o1o8o]

Is there anyone who has used P89C662HBA？Please teld me your way of programming code by serial port or parallel tool.Thank very much.

[a9o1o8o]

OK，who can tell me set security bit1、 set security bit2 and set security bit3 meaning，if I choose any one when programming code，what will happen to MCU;

[Andy Ayre]

The security bits are described in the P89C66X user manual from NXP, table 16 in the "In-System Programming (ISP) and In-Application Programming (IAP)" chapter.

For programming this part using the serial port you can use Flash Magic.

Andy