When addressing I/O Registers as data space using LD and ST instructions, the provided offset must be used. When using the I/O specific commands IN and OUT, the offset is reduced by 0x20, resulting in an I/O address offset within 0x00 - 0x3F.
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
PINB7 | PINB6 | PINB5 | PINB4 | PINB3 | PINB2 | PINB1 | PINB0 |
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Resetx | x | x | x | x | x | x | x |
Port B Input Pins Address