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P89C669 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. P89C669
Description  80C51 8-bit microcontroller family with extended memory 96 kB Flash with 2 kB RAM
Download  33 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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P89C669 Datasheet(HTML) 5 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
5 of 33
9397 750 12299
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
5.
Functional diagram
Fig 2.
Functional diagram.
P89C669
Address Bus 16-22
T2
T2EX
ECI
CEX0
CEX1
CEX2
SCL
SDA
XTAL2
XTAL1
VDD
VSS
Address bus 0-7
Data Bus
RXD0
TXD0
INT0
INT1
CEX3/T0
RST
RXD1
TXD1
EA/VPP
PSEN
ALE/PROG
CEX4/T1
WR
RD
002aaa403


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