P89C669 Datasheet 80c51 8-bit Microcontroller

Manufacturer: NXP Semiconductors

Overview: P89C669 80C51 8-bit microcontroller family with extended memory; 96 kB Flash with 2 kB RAM Rev. 02 — 13 November 2003 Product data 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	P89C669
Manufacturer	NXP Semiconductors
File Size	827.29 KB
Description	80C51 8-bit microcontroller
Datasheet	P89C669 P89 Datasheet (PDF)

General Description

The P89C669 represents the ﬁrst Flash microcontroller based on Philips Semiconductors’ new 51MX core.

The P89C669

Key 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 the rate of standard 80C51 devices. The linear address range of the 51MX has been.

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