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.
Name:
PORTB
Offset:
0x25
Reset:
0x00
Property:
When addressing as I/O Register:
address offset is 0x05
Bit
7
6
5
4
3
2
1
0
PORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bits 0, 1, 2, 3, 4, 5, 6, 7 – PORTB Port B
Data
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