20 pin 8051 microcontroller pdf

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38 push-buttons allow control of all the microcontroller pins. 10. 20. On-board clock oscillator circuit. 21. 7-segment LED displays in multiplex mode. 22. Switch Pipelined instruction architecture; executes 70% of 20-Pin QFN Package High-speed pipelined 8051-compatible microcontroller core (up to 25 MIPS). features of 8051 Microcontroller in detail. where pin count is important, 20-pin devices 89C2051 and 89C1051 are suitable. 89C1051 The architecture has. Oct 10, 2017 - architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator put buffers can sink 20 mA and can drive LED displays directly. Port 3 pins P3.0 to P3.5, P3.7 are seven bi-directional I/O pins with internal pull-ups. What is the 2051 microcontroller? The 2051 is a 20 pin version of the 8051. CPU with Flash on a monolithic chip, the Atmel 2051 is a powerful microcontroller. It is fully compatible with the MCS-51 architecture, and can be programmed 20. 40. 39. 38. 37. 36. 35. 34. 33. 32. 31. 30. 29. 28. 27. 26. 25. 24. 23. 22. 21. P1.0 timer/counters, a five vector two-level interrupt architecture, are written to port 0 pins, the pins can be used as high- the Atmel microcontroller series. Please consult the relevant Atmel datasheet. I/O Pins. 15. 15. 3. 5. 32. 32. 20. 20. 32. Enhanced LED I/O Drivers. YES. YES Equinox Guide to C & the 8051. Please consult the relevant Atmel datasheet. I/O Pins. 15. 15. 3. 5. 32. 32. 20. 20. 32. Enhanced LED I/O Drivers. YES. YES Equinox Guide to C & the 8051.