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P89C669 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. P89C669
Description  80C51 8-bit microcontroller family with extended memory 96 kB Flash with 2 kB RAM
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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P89C669 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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Philips Semiconductors
P89C669
80C51 8-bit microcontroller family with extended memory
Product data
Rev. 02 — 13 November 2003
2 of 33
9397 750 12299
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
2.
Features
2.1 Key features
s Extended features of the 51MX Core:
x 23-bit program memory space and 23-bit data memory space
x Linear program and data address range expanded to support up to 8 Mbytes
each
x Program counter expanded to 23 bits
x Stack pointer extended to 16 bits enabling stack space beyond the 80C51
limitation
x New 23-bit extended data pointer and two 24-bit universal pointers greatly
improve C compiler code efficiency in using pointers to access variables in
different spaces
s 100% binary compatibility with the classic 80C51 so that existing code is
completely reusable
s Up to 24 MHz CPU clock with 6 clock cycles per machine cycle
s 96 kbytes of on-chip program Flash
s 2 kbytes of on-chip data RAM
s Programmable Counter Array (PCA)
s Two full-duplex enhanced UARTs
s Byte based Fast I2C serial interface (400 kbits/s)
2.2 Key benefits
s Increases program/data address range to 8 Mbytes each
s Enhances performance and efficiency for C programs
s Fully 80C51-compatible microcontroller
s Provides seamless and compelling upgrade path from classic 80C51
s Preserves 80C51 code base, investment/knowledge, and peripherals and ASICs
s Supported by wide range of 80C51 development systems and programming tools
vendors
s The P89C669 makes it possible to develop applications at lower cost and with a
reduced time-to-market
2.3 Complete features
s Fully static
s Up to 24 MHz CPU clock with 6 clock cycles per machine cycle
s 96 kbytes of on-chip Flash with In-System Programming (ISP) and In-Application
Programming (IAP) capability
s 2 kbytes of on-chip RAM
s 23-bit program memory space and 23-bit data memory space
s Four-level interrupt priority
s 32 I/O lines (4 ports)
s Three Timers: Timer0, Timer1 and Timer2
s Two full-duplex enhanced UARTs with baud rate generator


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