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P89V51RD2

Part Number	P89V51RD2
Manufacturer	NXP
Description	8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM
Published	Mar 22, 2005
Detailed Description	P89V51RD2 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM Rev. 01 — 01 March 2004 Product data 1. G...
Datasheet	P89V51RD2 PDF File

Overview

P89V51RD2 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM Rev.
01 — 01 March 2004 Product data 1.
General description The P89V51RD2 is an 80C51 microcontroller with 64 kB Flash and 1024 bytes of data RAM.
A key feature of the P89V51RD2 is its X2 mode option.
The design engineer can choose to run the application with the conventional 80C51 clock rate (12 clocks per machine cycle) or select the X2 mode (6 clocks per machine cycle) to achieve twice the throughput at the same clock frequency.
Another way to beneﬁt from this feature is to keep the same performance by reducing the clock frequency by half, thus dramatically reducing the EMI.
The Flash program memory supports bo...

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