P89C669 80C51 8-bit microcontroller family with extended memory; 96 kB Flash with 2 kB RAM Rev.
02 — 13 November 2003 Product data 1.
General description The P89C669 represents the first Flash microcontroller based on Philips Semiconductors’ new 51MX core.
The P89C669 features 96 kbytes of Flash program memory and 2 kbytes of data SRAM.
In addition, this device is equipped with a Programmable Counter Array (PCA), a watchdog timer that can be configured to different time ranges through SFR bits, as well as two enhanced UARTs and byte based I2C-bus serial interface.
Philips Semiconductors’ 51MX (Memory eXtension) core is an accelerated 80C51 architecture that executes instructions at twice t...

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