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AT89C2051
(20 pages, revision H, updated 6/08)
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A Digital Thermometer Using the AT89C2051 MCU
(3 pages, updated 12/97)
This Application Note uses the AT89C2051 to implement a simple digital thermometer system.
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Analog-to-Digital Conversion Utilizing the AT89CX051 MCU
(6 pages, updated 12/97)
This Application Note describes how to build a low cost A/D converter with the Atmel 20-Pin Microcontrollers.
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External Brown-out Protection for C51 Microcontrollers with Active High Reset Input
(15 pages, updated 11/02)
This Application Note shows in detail how to prevent system malfunction during periods of insufficient power supply voltage.
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In-system Programming with C51 MCU and External Flash
(24 pages, updated 01/00)
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Interfacing AT24CXX Serial EEPROMs with AT89CX051 MCU
(4 pages, revision E, updated 5/05)
This Application Note illustrates a software based Two Wire Interface (TWI) between AT89CX051 Microcontrollers and the AT24CXX type of Serial EEPROMs.
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Interfacing AT93CXXX Serial EEPROMs with AT89CX051 MCU
(4 pages, updated 10/98)
This Application Note demonstrates interfacing AT89CX051 Microcontrollers to the AT93CXX 3-Wire type of Serial EEPROMs.
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 Other Related Application Notes |
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C51 SPI Code Examples |
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C51 Timer0 Code Examples |
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See more FAQs |
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AT89C2051 Reliability Qualification Report
(Qualification, 7 pages, updated 4/09)
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Device Programmers for 8051 Devices
(Other, updated 09/07)
This Excel spreadsheet provide summary information on device programmers supporting Atmel 8051 microcontrollers |
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Emulators for 80C51 Devices
(Other, updated 11/03)
This Excel spreadsheet provide summary information on emulation support for Atmel 80C51 microcontrollers |
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Package Adapters of 80C51 Devices
(Other, updated 10/04)
This Excel spreadsheet list available package adapters for Atmel 80C51 microcontrollers |
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Touch Solutions
