By: Masud-ul-Hasan
14
Port 3
(pin 10-17)
•
- Dual purpose I/O port.
-
As an I/O port:
•
Standard bi-directional general purpose I/O
port.
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- Alternate functions:
•
Serial I/O
- TXD, RXD
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Timer clocks
- T0, T1
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Interrupts
- INT0, INT1
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Data memory
- RD, WR