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Intel,Atmel 8051 Family

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more_vertAT89C2051 Microcontroller
AT89C2051 Microcontroller
₹50.00₹45.00
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FeaturesCompatible with MCS®51 Products2K Bytes of In-System Programmable (ISP) Flash Program MemorySerial Interface for Program DownloadingEndurance: 10,000 Write/Erase Cycles2.7V to 5.5V Operating RangeFully Static Operation: 0 Hz to 24 MHz (x1 and x2 Modes)Two-level Program Memory Lock256 x 8-bit Internal RAM15 Programmable I/O LinesTwo 16-bit Timer/CountersSix Interrupt SourcesProgrammable Ser..

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more_vertAT89C4051 Microcontroller
AT89C4051 Microcontroller
₹60.00₹55.00
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FeaturesCompatible with MCS®51 Products4K Bytes of In-System Programmable (ISP) Flash Program MemorySerial Interface for Program DownloadingEndurance: 10,000 Write/Erase Cycles2.7V to 5.5V Operating RangeFully Static Operation: 0 Hz to 24 MHz (x1 and x2 Modes)Two-level Program Memory Lock256 x 8-bit Internal RAM15 Programmable I/O LinesTwo 16-bit Timer/CountersSix Interrupt SourcesProgrammable Ser..

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more_vertAT89C51 Microcontroller
AT89C51 Microcontroller
₹115.00₹105.00
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Features Compatible with MCS-51™ Products4K Bytes of In-System Reprogrammable Flash MemoryEndurance: 1,000 Write/Erase CyclesFully Static Operation: 0 Hz to 24 MHzThree-level Program Memory Lock128 x 8-bit Internal RAM32 Programmable I/O LinesTwo 16-bit Timer/CountersSix Interrupt SourcesProgrammable Serial ChannelLow-power Idle and Power-down ..

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more_vertAT89C52 Microcontroller
AT89C52 Microcontroller
₹115.00₹105.00
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Features• Compatible with MCS-51™ Products• 8K Bytes of In-System Reprogrammable Flash Memory• Endurance: 1,000 Write/Erase Cycles• Fully Static Operation: 0 Hz to 24 MHz• Three-level Program Memory Lock• 256 x 8-bit Internal RAM• 32 Programmable I/O Lines• Three 16-bit Timer/Counters• Eight Interrupt Sources• Programmable Serial Channel• Low-power Idle and Power-down Modes..

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more_vertAT89S51 Microcontroller
AT89S51 Microcontroller
₹80.00₹75.00
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Features• Compatible with MCS®-51 Products• 4K Bytes of In-System Programmable (ISP) Flash Memory– Endurance: 10,000 Write/Erase Cycles• 4.0V to 5.5V Operating Range• Fully Static Operation: 0 Hz to 33 MHz• Three-level Program Memory Lock• 128 x 8-bit Internal RAM• 32 Programmable I/O Lines• Two 16-bit Timer/Counters• Six Interrupt Sources• Full Duplex UART Serial Channel• Low-power Idle and Power..

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more_vertAT89S52 Microcontroller
AT89S52 Microcontroller
₹80.00₹75.00
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Features• Compatible with MCS®-51 Products• 8K Bytes of In-System Programmable (ISP) Flash Memory– Endurance: 10,000 Write/Erase Cycles• 4.0V to 5.5V Operating Range• Fully Static Operation: 0 Hz to 33 MHz• Three-level Program Memory Lock• 256 x 8-bit Internal RAM• 32 Programmable I/O Lines• Three 16-bit Timer/Counters• Eight Interrupt Sources• Full Duplex UART Serial Channel• Low-power Idle and P..

In 1981, Intel Corporation introduced an 8-bit microcontroller called the 8051. This microcontroller had 128 bytes of RAM, 4K bytes of on-chip ROM, two timers, one serial port, and four ports (each 8-bits wide) all on a single chip. At the time it was also referred to as a “system on a chip.” The 8051 is an 8-bit processor, meaning that the CPU can work on only 8 bits of data at a time. Data larger than 8 bits has to be broken into 8-bit pieces to be processed by the CPU. The 8051 has a total of four I/O ports, each 8 bits wide. 

The Atmel Corp. has a wide selection of 8051 chips, as shown in Tables 1-6 and 1-7. For example, the AT89C51 is a popular and inexpensive chip used in many small projects. It has 4K bytes of flash ROM. Notice the AT89C51-12PC, where “C” before the 51 stands for CMOS, which has a low power consumption, “12″ indicates 12 MHz, “P” is for plastic DIP package, “C” is for commercial.