P89C668
Overview
The P89C668 device contains a non-volatile 64 kbytes Flash program memory that is both parallel programmable and serial In-System Programmable. In-System Programming allows devices to alter their own program memory, in the actual end product, under software control.
- 80C51 Central Processing Unit
- On-chip Flash Program Memory with In-System Programming (ISP) capability
- Boot ROM contains low level Flash programming routines for downloading via the UART
- Can be programmed by the end-user application (IAP)
- Parallel programmed with 87C51 compatible hardware interface to programmer
- Speed up to 20 MHz with 6 clock cycles per machine cycle (40 MHz e
