8051 Microcontroller Blog

Fulfilment in the New Year Here’s to the outgoing year, 2009:  May the good times live on in our memories, and may we learn lessons from the troubling times that will make us stronger and better than ever. Here’s to 2010: For each and every one of us, may it be filled with signifi... [More]

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Hi friends Its happy to inform that we are invited as speakers for Forum Nokia Developer conference at Bangalore on Dec 7. You can check this site for more detials about the conference. http://www.nokiadevcon.in/

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Check out various mini & micro robots.

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You may see this chip AT89S51 in many of the circuits in this site. What is this AT89S51. The first microcontroller chip was introduced in 1980 by Intel semiconductors. It is named as 8031. This 8031 does not have internal program memory. Then came the 8051 microcontroller which has internal prog... [More]

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Hi friends,I am glad to inform u a happy news. My project BLUE HOME (Advanced version of Device control through Bluetooth) is selected as one of the 3 finalists in the great NOKIA Company’s, “Calling all innovators contest”. It’s a contest which is held world wide. You plea... [More]

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Its our 62nd Independence Day and wish you all Happy Independence Day. Proud To Be Indian.

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Analysis of common errors in a assembly language program [More]

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The main difference between them lies in the following points:Pin function: Pins almost identical changes were, in the AT89S51 in P1.5, P1.6, P1.7 have a second function, that is, the second 3-pin serial ISP function formed programming interface. Programmability: AT89C51 only supports parallel programming, But AT89S51 supports both parallel programming and ISP programming.Voltage in the programming area, AT89C51 in addition to normal programming voltage of 5V, another 12v is needed for Vpp. But AT89S51 just need to be 4-5V. [More]

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Featuring Actel Fusion® mixed-signal FPGAs, the kit enables the development of system and power management applications in a single board with multiple on-board voltage regulators, an array of indicator LEDs, and an OLED display to provide direct feedback on flag status, system messages, and voltage, temperature, or current readings. The Fusion Advanced Development Kit provides significant resources for flexible system management development, including a web-enabled development environment, an ARM® Cortex™-M1-enabled mixed-signal Fusion device, and extensive digital and analog connectivity. This kit also serves as the platform for the Mixed-Signal Power Manager Demonstration, a reference design that delivers superior power monitoring, power sequencing and threshold control of up to 16 external power supplies. [More]

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Given that today's Smartphone integrates features like personal organizers and email management tools with basic multimedia and handset capabilities, the typical "ON" time is more crucial to the end users than that of an entry level mobile phone. The feature set drives the need for high processing power, larger (brighter) displays, touch screen controls and speaker phone capability. To meet performance and form factor requirements of the phone, careful consideration to the supply current and package sizes is important. Hence, migrating to Class-D audio amplifiers, touch screen controllers with integrated audio, ESD protection, power management and overall power supply efficiency are critical. [More]

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