At89s52 Microcontroller Pin Diagram. Port 0 port 0 is an 8 bit open drain bidirectional i o port. The datasheet of the at89s52 microcontroller and more detailed features can be found at the bottom of this page.
Brief intro to at89s52 microcontroller. Port 0 can also be configured to be the multiplexed low order address data bus during. At89c52 atmega8a attiny1614 atmega328.
When 1s are written to port 0 pins the pins can be used as high impedance inputs.
Mar 26 2019 at89s52 comes from the popular 8051 family of atmel microcontrollers. If you have basic understanding of 8051 then you must know about ea pin 31 xtal1 xtal2 rst pin pin 9 vcc and ground pin of 8051 microcontroller. Port 0 port 0 is an 8 bit open drain bidirectional i o port. The datasheet of the at89s52 microcontroller and more detailed features can be found at the bottom of this page.
