14 lines
392 B
Plaintext
14 lines
392 B
Plaintext
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Registers involved:
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GPIO:
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DDRA: Data Direction Register for Port A= 0xFF for output (Port A- pin 22:29)
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DDRB: Data Direction Register for Port B= 0x00 for input (Port B- pin 53:50[B0:B3] & pin 10:13[B4:B7] )
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DDRC: Data Direction Register for Port C= 0xFF for output (Port C- pin 37:30)
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PORTB: Port B Data Register
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PINB: Port B Input Pins Address
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About pull-up and pull-down resistors:
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