of the AT89C51, as shown in the following table. effect if the microcontroller is in external execution mode. PSEN . as Timer 0 and Timer 1 in the AT89C AT89CPI Microchip Technology / Atmel 8-bit Microcontrollers – MCU UNSAWN WAFER 21 MIL BACKGRIND 89C51 – 24MHZ, PDIP, IND TEMP datasheet. AT89C51, AT89C51 pdf, Atmel, Download pdf datasheet. AT89CA-M, AT89CA-M AT89CA-M 8-bit Flash Microcontroller with Full Speed USB .
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AT89C51 is an 8-bit microcontroller and micrcoontroller to Atmel’s family. It can be erased and program to a maximum of times. All these ports are 8-bit bi-directional ports, i.
Except P 0 which needs external pull-ups, rest of the ports have internal pull-ups. When 1s are written to these port pins, they are pulled high by the internal pull-ups and can be used as inputs.
These ports are also bit addressable and so their bits can also be accessed individually. This high-density System-in-Package SiP integrates controller, power switches, and support components. Skip to main content. Port P 0 and P 2 are also used to provide low byte and high byte addresses, respectively, ta89c51 connected to an external memory.
It can be programmed to operate at different baud rates.
Reset pin; Active high. Input receiver for serial communication. Output transmitter for serial communication.
Write to external data memory. Read from external data memory.
Quartz crystal oscillator up to 24 MHz. High-order address bits when interfacing with external memory.
Search Results for AT89C51 : 26 documents found
Program pulse input during Flash programming. Programming enable voltage; 12V during Flash programming. Low-order address bits when interfacing with external memory. Supply voltage; 5V up to 6.
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AT89C51 Microcontroller Pinout, Features & Datasheet
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