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7 segment led interfacing with 8051
- 1. Sameer (14924) Priyank (14893) Suraj(14933) 7 SEGMENT LED INTERFACING WITH 8051
- 2. What is microcontroller? A microcontroller is a small computer A single integrated circuit containing a processor core Memory Programmable input/output peripherals
- 3. Description of 8051 The 8051 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory
- 4. Features of 8051 8K bytes of Flash 256 bytes of RAM 32 I/O lines Three 16-bit timer/counters A full duplex serial port
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- 6. Seven Segment Display Seven segment displays are used to indicate numerical information Seven segment displays internally consist of 8 LEDs In these LEDs, 7 LEDs are used to indicate the digits 0 to 9 and single LED is used for indicating decimal point Generally seven segments are two types, one is common cathode and the other is common anode
- 7. Circuit component AT89C51microcontroller AT89C51 programming board programming cable 12V DC battery or adaptor Common cathode 7 segment Display Resistors – 10k, 330 ohm 2 Ceramic capacitors – 33pF 12 MHz crystal Electrolytic capacitor – 10uF Connecting wires
- 8. Interfacing 7 SegmentDisplay to 8051 Circuit
- 9. Segment number LSD5061-11 Pin number 8051 pin number (One'splace display) 8051 pin number (Ten's place display) s1 pin 1 P2.0 P3.0 s2 pin 2 P2.1 P3.1 s3 pin 4 P2.2 P3.2 s4 pin 6 P2.3 P3.3 s5 pin 7 P3.4 P2.4 s6 pin 9 P2.5 P3.5 s7 pin 10 P2.6 P3.6
- 10. Resources http://opencores.org/project,8051 www.electronicsforyou.com www.wikipedia.com www.electronicshub.com
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