P89C660 Datasheet (NXP) - 8-bit 80C51 5V low power 16 kB/32 kB/64 kB flash microcontroller

P89C660, 8-bit 80C51 5V low power 16 kB/32 kB/64 kB flash microcontroller

The P89V660/662/664 are 80C51 microcontrollers with 16 kB/32 kB/64 kB flash and 512 B/1 kB/2 kB of data RAM.

These devices are designed to be drop-in and software compatible replacements for the P89C660/662/664 devices.

Both the In-System Programming (ISP) and In-Application Programming (IAP) boot c

P89C660 Features

* 2.1 Principal features

* Dual 100 kHz byte-wide I2C-bus interfaces

* 128-byte page erase for efficient use of code memory as non-volatile data storage

* 0 MHz to 40 MHz operating frequency in 12x mode, 20 MHz in 6x mode

* 16 kB/32 kB/64 kB of on-chip flash user code memory with ISP a